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Humidity & Dust Control for Workshops and Industrial Spaces

One of the main challenges that a lot of industrial spaces and workshops have comes in them form of workshop humidity control. Yes, dust and high humidity levels can tend to be very problematic, and something you want to avoid. Not only can they hamper products and items stored inside the warehouse, but they also lead to issues for workers. That’s why you always want to find great strategies to circumvent that, like using an industrial dehumidifier. Why humidity and dust are major issues in workshops? Generally, water and dust tend to be problematic for industrial spaces. Wood absorbs moisture, metal rusts, electronics get damaged, paint and finishes will fail completely if the moisture levels are too high. The same thing can be said when it comes to dust. Usually, dust will lead to respiratory problems, and suspended dust can be combustible, especially in the case of woodworking. If the company uses sensors or calibration tools, their accuracy will be affected by dust. In general, you want to keep dust and humidity levels in a workshop at a low level, where possible. That can circumvent issues, and provide better overall results. Effects on materials, tools, and worker health Will dust and humidity bring worker health issues? Of course, because excess humidity always leads to fatigue, discomfort and respiratory problems. Not only that, tools that are electronic in nature will stop working most of the time. And to make things even worse, metal components can get corroded, which is the last thing you want. Even lubricants will break down faster if the environment they are in is very humid.Plus, if the space has wood, those wooden products will distort, contract or expand, depending on the situation at hand. And the same thing is valid when it comes to dealing with surface cracking or grain problems. Even the colors won’t be absorbed properly most of the time. You need to find a way of addressing this problem, otherwise you will encounter a variety of challenges that are very hard to face. Integrating dust collectors and dehumidifiers for balanced air quality What you want to do when you have an industrial environment with high humidity levels and dust is to use dehumidifiers and dust collectors. The role of a dust collector is to capture airborne particles via filters, ducts or hoods. And then you have the industrial dehumidifier that will remove moisture from the ambient air. Both of them are ideal if you want to get rid of unwanted dust particles and high humidity, so keep that in mind.Of course, you do need to think of other things as well, including: Separate the high moisture zones when you can, so you can have better control over humidity levels Additionally, it makes sense to coordinate the ventilation rates in order to balance pressure Design the ducting system in such a way that the clean/dehumidified air circulates across all areas in a uniform manner. Installing HEPA stages and pre-filters is always going to help trap fine dust, something that’s extremely useful. Practical layout ideas When it comes to ducting, try to use the shortest path principle, since the longer the ducts are, the more obstructions and issues arise. Calculate the static pressure and focus on branch balancing where you can, as it will help you quite a lot. Go with a multi-stage filter setup too. You should have a coarse pre-filter, a fine filter and a HEPA or even a cartridge filter. As for the dehumidifier, it makes sense to place it in a central spot and you can use ducted industrial solutions if you have a large facility. For those cases when we talk about a localized workshop, using a portable unit can actually help, and it could improve the experience. Maintenance and safety best practices You should make sure that you keep the humidity and dust levels under control. Here are some ideas: If you use a dust system, try to empty the collection bins every day and inspect the ducts/joints every month. Replacing the filters or at least cleaning them is also of pivotal importance. And yes, ground all the metal ducting, as it will allow you to prevent any explosion and static discharge, which could become an issue later on. For dehumidifiers, you want to clean the filters and condenser coils every month. You also want to check the drainage systems and inspect gaskets/seals where possible, so there are no air leaks. And of course, you do want to schedule the calibration of humidistats where you can, so the readings can stay accurate. Lastly, make sure that you keep the health and safety compliance. Ensure that all the fire suppression systems are functional, stick with the OSHA dust exposure limits, and use PPE equipment where possible, to limit any side effects or downsides. Cost-saving and energy-efficient strategies There are also a few other things that you can do to save money and lower energy costs. For example, you want to clean filters and lubricants, along with having smart humidity control. Using variable speed drives will also help quite a lot, and it does help to have heat recovery, along with good air recirculation. All of that stuff is super important, and it will affect the overall costs. Plus, even simple things like the equipment selection or using renewable energy, those can end up making a huge difference in the long run. Conclusion We believe it’s a very good idea to try and keep humidity and dust levels as low as possible in industrial environments. These tips and ideas shown above will always be useful, especially in these very specific situations. Once you start implementing such solutions, it will be not only easier to manage, but you can also avoid a lot of challenges and potential issues. Once you handle that appropriately, it will bring in a much better experience. Plus, you do want to keep the equipment and people safe, and this is the right approach!

Do Dehumidifiers Really Improve Indoor Air Quality?

Purchasing a dehumidifier sounds like a great idea, mainly because it allows you to focus more on eliminating moisture from the air. As we know, high levels of water in the air can lead to mold, not to mention it can even affect your health as well. With that in mind, the dehumidifier air quality is always better, and there are many benefits that come from purchasing such a product. That’s why we are here to help you identify how/if a dehumidifier can improve the air quality. The link between humidity and air quality Relative humidity is seen as the percentage of moisture found in the air which is relative to the maximum water vapor the air can hold at a given temperature. It’s recommended to keep it around 30% to 50% for most living spaces. If it’s under 30%, the air will feel dry, and your respiratory irritation is increased. If it’s over 50% for example, that encourages mold growth, dust mites appear and there’s more condensation. How excess humidity affects allergens and respiratory health? Is it problematic if you have a very high humidity level and it certainly affects your health. Simply put, excess humidity leads to dust mite formation, and mold exposure can also trigger allergic reactions, non-allergic irritation or it can even exacerbate asthma, which is something to take into account here. Plus, a high humidity level can lead to airborne particles that settle faster, not to mention it can also contribute to resuspension of settled dust. Plus, a high humidity levels brings unwanted odors, it encourages mold growth, etc. Simply put, this will affect the indoor chemistry, which is something you want to take into consideration. Think about humidity and allergies, and then you will quickly realize that if you live in a place with high humidity, you tend to have way more allergic reactions than normal. How dehumidifiers improve air freshness and reduce mold? A dehumidifier is one of those investments that can be very much worth it, since they lower mold appearances, not to mention you will be able to reduce musty odors, reduce condensation or improve the preservation of materials. Once you use a dehumidifier, you will also be able to eliminate most of the dust mite allergens, improve your comfort, while also not dealing with respiratory discomfort anymore, something you have to take into consideration. However, there are things that a dehumidifier won’t do. It won’t remove the fine particulates nor will it remove chemical pollutants. It’s also not going to fix any water intrusion, which is crucial to take into account. In the end, it’s just a much better idea to try and use a dehumidifier because it does allow you to lower humidity levels properly. With that being said, you have to be realistic when it comes to expectations and what it can do. It won’t solve all air quality problems, but you will certainly see improvements, and that matters immensely.If you do acquire a dehumidifier, a very important thing is to check the pints per day or liters per day that it can extract from the room. Also, you may want to check the coverage area, if it has an auto-humidistat as well. And of course, things like the noise levels, drainage options and energy consumption will matter just as much. How to monitor humidity and air quality? These days, monitoring the air quality and humidity is not that difficult. You have a vast array of products you can access, and these are quite impressive to use. A digital hydrometer, smart monitor and moisture meter for materials would be a great option for humidity monitoring. If we talk about tools for air quality monitoring, it does make sense to opt for particle sensors, VOC sensors, but also CO and CO2 sensors or dedicated air quality monitor products, if you want. Combining dehumidifiers with air scrubbers or HEPA filtration You can choose to use a dehumidifier with an air scrubber or even with HEPA filtration systems. The great thing is that all of these will have their benefit. The dehumidifier will reduce the source creating odors and allergens. The HEPA filter will help remove airborne particles, dust, spores and so on. And then, you have the air scrubber that will reduce VOCs and microbes. You can opt for configurations that integrate dehumidifiers with the HVAC system, or you can use a dehumidifier with a portable HEPA air purifier. These are totally up to you, and in the end, you will find the experience itself to be one of the top things out there, that’s for sure. Simple step-by-step setup guide First, the thing you want to do is to identify the target space and also the measure baseline. You can use a hygrometer and then record the RH as well as any spikes that happened over multiple days. Then, choose the right dehumidifier from Abestorm. Pick one based on the room size and capacity, temperature conditions, drainage, but also humidistat and other features. Knowing all the details can help immensely, and it will help make the process much easier. After you buy the right dehumidifier, you will need to position it around 6-12 inches from the walls or furniture. And then, of course, you want to select the target humidity. 45% is healthy indoor humidity, because you can avoid dryness and also mold or dust mites. If you have allergies, 40% to 45% is usually the best option. We highly recommend adding a HEPA air purifier in the room, especially if it’s frequented very often. As you start doing this, you need to continually monitor and adjust, as it will help keep things under control. Naturally, you also want to maintain the unit regularly. Clean the water tank, replace filters, inspect the drip pans and coils, and also service the dehumidifier annually, also do the same for the HVAC as well. Conclusion We highly recommend taking your time and finding the right dehumidifier that fits your needs and requirements. Our team at Abestorm is always here to assist, and we provide our customers with consistent, professional results every single time. All you have to do is avail the opportunity, browse our store and pick the right dehumidifier that fits your needs. Rest assured that there’s great value to be had for a variety of pricepoints, depending on your budget!

How to Assess Basement Humidity Problems: Moisture, Leaks, Condensation, and Odor

Basements are located at a lower level when compared to the house, and that means they can end up having all kinds of humidity problems. If you see damp walls, feel a musty smell or there’s visible mold, then you clearly have some humidity problems that need to be addressed. Abestorm is here to help with high quality home moisture control solutions you can rely on. Why basements are prone to moisture buildup? Basements are notorious for humidity problems because they are surrounded by soil, which has lots of water. On top of that, the soil becomes saturated, which will lead to water going through the cracks. And since water flows with a downwards direction, it will always reach lower levels of your home like the basement. That means it’s always prone to moisture buildup, and it’s very important to address that in a cohesive manner. How to measure humidity accurately? There are multiple methods you can use to check condensation or measure the humidity levels. That’s how you assess the humidity problems, and generally, it will be a much simpler method of handling this situation, as you will notice below. A hygrometer is very useful, because it will identify the humidity levels and highlight them on its screen. Ideally, you want to have humidity levels around 30% to 50%. If it goes higher than that, you have a high risk of mold growth, not to mention the odor will be more difficult to manage. Measuring at different times of the day is also a very good idea. A basement will have higher humidity levels during the night, so that’s certainly something to consider here. Make sure that you use a moisture level meter for the floors and walls. Pin-type meters are very good, since they can help measure the moisture content found within the building materials. Assess the ventilation and air circulation. Especially in the basement, you do want to have very good air circulation, so you can prevent any possible problems that could arise. Clearly, you want to use these tips and tools, because they will make it easier to see whether there are some humidity problems or not, and then you can go from there. Common signs of humidity Aside from having tools that measure humidity levels, it does make a lot of sense to check for common, known signs of humidity. That will help identify concerns and issues, while making it easier to take action right away. If you encounter a musty smell, usually that’s due to mold developing and organic matter thriving in the basement. You should also check to see if the floors are damp or wet. That means there’s poor drainage or the foundation seal was compromised, which is something you want to address properly. Wall condensation is also a problem, because these are signs of structural degradation down the line. Mildew or mold spots are also something to consider. As we said, mold grows when the humidity levels are high, usually over 60%. If the humidity levels are high, you can also encounter paint peeling or efflorescence, something that you must take into consideration as much as possible. Differentiating leaks, vapor, and condensation It’s very important to note the fact that not all moisture problems are equal. That’s why you want to identify the different types of moistures and see where you get the best results. For example, leaks appear when the liquid water is entering the basement via failed seals, gaps and cracks. They tend to be visible after plumbing failures or rainstorms. Then, we have water vapors which stem from moisture that diffuses via porous materials or humidity found within the air. And then, we have condensation which forms when the humid air reaches a cold surface and thus it ends up turning into droplets. Practical solutions and prevention measures If you encounter humidity within your home, you need to try and address it as quickly as possible. Thankfully, there are certain methods that you have to take into account, as follows; If you encounter humidity within your home, you need to try and address it as quickly as possible. Thankfully, there are certain methods that you have to take into account, as follows; Always try to find effective ways of improving drainage and waterproofing Improve the air circulation within the property and connect the basement to your HVAC system, where possible Additionally, you also want to install a dehumidifier, as it’s one of the top methods you can use for humidity control within your home It also makes sense to insulate the home walls and pipes, as it will help keep the moisture out Apply vapor barriers, these are great to add behind drywall or even under flooring, as it will stop ground moisture Fix any leaks right away, the more you let them exist, the more problematic they will be Using desiccants for small spaces is a great idea, and it will help you ensure that you absorb any moisture from the air How Abestorm dehumidifiers help restore healthy humidity? Abestorm offers high quality dehumidifiers that will help with any basement humidity problems. It can assist when dealing with condensation and it’s a great solution for home moisture control. These dehumidifiers are known to deliver a high moisture extraction rate, energy efficiency, not to mention they have built-in drainage pumps, smart humidity control, a quiet operation system, not to mention excellent durability as well. Expert prevention checklist Start by checking the humidity levels every week using a hygrometer Additionally, you want to inspect the walls and foundation for cracks Clean the downspouts and gutters 2 times a year, at least Ventilate the home properly and use a vapor barrier Use a dehumidifier and keep the vents clean Store any items off the floor, and insulate any cold pipes or ducts Seal gaps found around the vents and windows, where possible Conclusion It’s a very good idea to perform basement leak detection and use the checklist above to deal with any high humidity levels. It’s a very good idea to eliminate any issues and focus on removing humidity from your basement as quickly as possible. Using a dehumidifier from Abestorm is an excellent idea, because it allows you to keep moisture levels under control, while eliminating any issues that could arise!

How to prevent Mold in Underground Spaces | Dehumidifier & Fan Guide

Underground spaces like basements, crawl spaces and root cellars are great for storage and shelter but they’re also a mold’s paradise. Dark areas with poor airflow, soil moisture and uninsulated walls create a damp environment. Mold spores are always in the air, on surfaces and even in the materials of your home. When humidity goes above 60% and surfaces stay damp, those spores spread quickly on wood, drywall, insulation and even concrete. This can lead to musty odors, structural damage, and health problems. This article will show you how to control moisture and stop mold growth in basements, cellars and other underground spaces. Understanding Mold Growth in Underground Spaces Mold spores are everywhere in the air, on surfaces and even in the materials of your home. But they only start growing when three conditions are met: moisture or high humidity, lack of air circulation and presence of organic food sources like drywall, wood and fabrics. Underground spaces, especially crawl spaces and unfinished basements often meet all three conditions. Add in condensation from plumbing, groundwater seepage or seasonal rain and the risk escalates fast. Why It’s a Big Deal Basement mold is more than a simple appearance problem. It can: Trigger allergic reactions or worsen asthma Damage walls, flooring and insulation Lower your home’s resale value Spread to upper levels of the house Role of Dehumidifiers in Mold Prevention A dehumidifier removes excess moisture from the air and collects it in a tank or drains it out on its own. It keeps humidity below 60% (ideally 30–50%) to stop mold growth, but not all dehumidifiers are suitable for underground spaces. Special dehumidifiers, like those from Abestorm, are designed for tight, low spaces like basements or crawl spaces. They’re more powerful and built to handle very damp conditions. Many of them also come with auto-draining and smart humidity sensors to make them easy to use. How Ventilation Fans Help Mold Control Many homeowners confuse ventilation with dehumidification. While dehumidifiers remove moisture from the air, ventilation fans improve airflow, bringing in drier outside air (when possible) and preventing air stagnation. Best Practices for Underground Ventilation Use mechanical crawl space fans with adjustable speeds Don’t rely on natural ventilation unless in dry climates Integrate fans with humidity sensors for smart automation Always pair ventilation with sealing techniques to prevent outdoor humidity from coming in Choosing the Right Dehumidifier for Basements Selecting the right dehumidifier is the first step in protecting your basement from mold growth. A good unit will keep the humidity between 30–50% which is too dry for mold to survive. 1) Desiccant vs. Refrigerant Models There are two main types of dehumidifiers. Refrigerant models work by cooling moist air and collecting the water that condenses. They’re great for warm spaces above 60°F and remove moisture quickly. Desiccant dehumidifiers use materials like silica gel to soak up moisture without cooling the air. They work much better in cold basements and can operate in temperatures as low as -4°F. 2) How Temperature Affects Performance If your basement is below 50°F often, a regular refrigerant unit may not work well — its coils could freeze. For very cold basements choose a desiccant model or a low-grain refrigerant (LGR) dehumidifier designed for low temperatures. Some refrigerant models also come with frost control to prevent freezing. For example the Abestorm Guardian SN55 is a great LGR option that works efficiently in cool, damp environments like crawl spaces and basements. 3) Noise and Energy Use If your basement is finished and used often, quiet operation is important. Desiccant models tend to be quieter (around 40 dB), while refrigerant models are a bit louder (50–70 dB). To save on electricity go for Energy Star certified models. 4) Choose the Right Size for Your Basement Choose the right size and your dehumidifier will run efficiently. A 30–50 pint dehumidifier is perfect for areas up to 1,500 sq. ft. with moderate moisture levels. But if your basement is over 1,200 sq. ft. or very humid (80–90%) choose a unit that removes at least 50–60 pints of water daily. The Abestorm Guardian SN90 for example is ideal for large basements or areas with severe moisture problems. It’s designed to pull up to 90 pints per day and comes with an auto-drain system for easy setup. How to Stop Mold in Your Underground Space Mold in your basement or crawl space is more than just cleaning up visible spots. Follow these four steps to create a long term, moisture free environment that mold can’t survive in. Step 1: Seal and Insulate Before adding any equipment, make sure your basement or crawl space is sealed. Fill in any cracks in the walls or around pipes so moisture can’t get in. Cover dirt floors with plastic sheets to block moisture from the ground. Insulate the walls to stop water from building up on cold surfaces. This keeps the area dry and makes your other equipment work better. Step 2: Install a Dehumidifier Choose a dehumidifier that fits your space. For example, the Abestorm Guardian SN55 is suitable for spaces up to 1,300 square feet. Place the dehumidifier where air can circulate around it, not too close to walls. If the model drains water automatically, place it near a drain. Set the humidity to 50% and let it run all the time to keep the air dry. Step 3: Add Ventilation Fans Put fans on opposite sides of the space to help air flow from one end to the other. This will get rid of damp air and bring in fresh air. Use fans that can turn on and off based on humidity levels or timers. If your space is big you can also use duct fans to pull air out through a vent. Step 4: Monitor and Adjust Check the humidity levels often with a hygrometer to make sure they stay below 60%. Look at your fans and dehumidifier from time to time to make sure they’re working properly. Also check if the dehumidifier is draining water as it should. Keeping an eye on things will stop mold before it becomes a problem. Our Top Products Here are some high-performance tools for underground mold prevention: 1. Abestorm Filteair HEPA 550 Air Scrubber It is perfect for mold prevention in underground areas like crawl spaces or basements. A 3-stage filtration system includes a MERV-10 pre-filter, a HEPA filter that removes 99.97% of particles, and a carbon filter to eliminate odors. Stackable, filter change indicator, and connect up to 3 units for large jobs. Great for renovations or after floods. 2. Abestorm Guardian SN35P 70 PPD Crawl Space Dehumidifier For small crawl spaces and basements (up to 1,000 sq. ft) this unit removes up to 70 pints of moisture daily. Includes built-in pump, long drainage hose and Energy Star certified—powerful and efficient. Prevents mold, mildew and musty smells underground without taking up much space. 3. Abestorm Hurricane LGR85 Commercial Dehumidifier This heavy-duty dehumidifier removes up to 180 pints of moisture per day in spaces up to 2,300 sq. ft., making it ideal for serious mold problems. It is designed for post-flood or restoration work, stackable design, LED controls and auto functions—drain, defrost, restart. The tough rotomolded housing is built for harsh underground conditions. 4. Abestorm Guardian SN90 198 PPD Crawl Space Dehumidifier This unit works in crawl spaces up to 2,600 sq. ft and removes up to 198 pints of moisture daily. Keeps relative humidity below 60% for mold prevention and air quality. For homeowners serious about underground moisture protection with high energy efficiency rating (2.69 COP). 5. Abestorm Hurricane LGR85-Grey Smart WIFI Dehumidifier Same strength as the regular LGR85 but smart-enabled (future-ready). It is great for large, humid underground areas and removes 180 pints/day. Although the app isn’t currently active the device has intuitive controls, humidity sensor and automatic maintenance functions. For professionals who need efficient, stackable dehumidifiers for mold-prone areas. 6. Abestorm HEPA V2 Air Scrubber with UV-C Light This air scrubber has 4-stage filtration and UV-C light sterilization to kill airborne mold spores and bacteria. Perfect for post-mold remediation or areas underground that are at risk of contamination. Covers up to 900 sq. ft, stackable, durable and energy efficient with speed control. Conclusion Mold hides in the shadows, literally. Underground spaces are naturally prone to moisture due to poor airflow. But with the right dehumidifier, ventilation system and moisture prevention strategy you can have a mold free foundation. Instead of reacting to mold growth, be proactive. Think of your basement or crawl space as part of your home, not a storage dungeon. Set up the room like any other with smart controls, good airflow and strong long lasting materials.

June 12, 2025

What Size Ventilation Fan Do I Need

Proper ventilation is important for maintaining indoor air quality, preventing mold, and improving health. For this, the ventilation fan works best, but what about the right size? Whether you are remodeling your bathroom or upgrading your kitchen range hood, installing undersized or oversized fans leads to many problems. If you are wondering what size ventilation fan do I need, this guide helps you make an informed, cost-effective decision that pays off for years to come. What Is CFM in Ventilation Fans? CFM stands for Cubic Feet per Minute and is the standard unit used to measure how much air a fan can move per minute, and selecting the right CFM ensures efficient ventilation. It tells you how many cubic feet of air the fan can move in one minute (CFM), which is essential when comparing different types of vent fans like ceiling-mounted, inline, or wall-mounted models. If the CFM is too low, the vent fan won't ventilate properly, leading to mold growth, and if the CFM is too high, it can result in unnecessary operating costs and a noisy environment. To calculate the right CFM for vent fans, here is the formula CFM = (Room Volume × ACH) ÷ 60 Where: ● Room Volume = Length × Width × Height (in feet) ● ACH = Air Changes per Hour (e.g., 8 for bathrooms, 15–20 for kitchens) ● 60 = Number of minutes in an hour (to convert hourly air volume to per minute) How to Calculate the Correct Ventilation Fan Size? For optimal air circulation, you have to follow these steps to calculate the ideal ventilation fan size according to the room dimensions: Step 1: Calculate Room Volume For this, calculate: Room Volume (cubic feet) = Length × Width × Height If a bathroom measuring 10 ft x 8 ft with an 8 ft ceiling, it will be: Volume = 10 × 8 × 8 = 640 cubic feet Step 2: Determine Required Air Changes (CFM) The Home Ventilating Institute (HVI) recommends at least 8 air changes per hour for bathrooms. Convert that to CFM with this formula: Required CFM = (Room Volume × 8) ÷ 60 Using the above example: CFM = (640 × 8) ÷ 60 ≈ 85 CFM Step 3: Add CFM Based on Bathroom Fixtures For bathrooms over 100 sq. ft, consider additional CFM for each fixture: Fixture Additional CFM Toilet +50 CFM Shower +50 CFM Bathtub +50 CFM Jetted Tub +100 CFM If you are having a large bathroom with a toilet, shower, and jetted tub: Total CFM = Base CFM + 50 + 50 + 100 = Base + 200 CFM Get the best ventilation fans from Abestorm, and their team is cooperative enough to explain to you the ventilation fan size according to your space. Bathroom Ventilation Fan Sizing Guide If you're still unsure, check out our guide to choosing the best bathroom ventiliation fans for your specific space and needs. Here’s a quick reference to help you size your bathroom fan correctly, ensuring optimal ventilation and moisture control: Bathroom Size (sq. ft.) Recommended CFM Up to 50 50 CFM 51–100 1 CFM per sq. ft. Over 100 Add CFM based on fixtures For ceilings taller than 8 feet, adjust room volume using the actual ceiling height in your calculation. Kitchen Range Hood Ventilation Requirements Kitchen fans (range hoods) are necessary to remove smoke, grease, steam, and cooking odors. Their sizing depends on stove type and cooking habits. General CFM guidelines include: Cooktop Type Recommended CFM per Linear Foot Electric Stove 100 CFM Gas Stove 150 CFM Here is how to size a kitchen range hood: Suppose you have a 30-inch (2.5-foot) gas cooktop, then the required CFM will be: 2.5 × 150 = 375 CFM When to Increase CFM? ● Frequent high-heat cooking, like wok use, frying. ● Long duct runs or multiple bends ● Undersized ducts (match duct diameter to fan output Tip: Always vent kitchen range hoods outside for maximum efficiency. Ventilation Fan Noise: What Are Sones? Ventilation fan noise is measured in sones, where a lower rating means quieter operation. Sones Rating Noise Level <1.0 Very quiet (rustling leaves) 1.0–2.0 Quiet (like a fridge) 2.0–3.0 Moderate (office background) >3.0 Loud (like TV or conversation) For bathrooms, opt for fans ≤1.0 sones for a peaceful ambiance. Factors That Affect Ventilation Fan Performance Beyond Room Size Ventilation needs also vary depending on the space being ventilated. For example, areas like attics or basements may require crawlspace ventilation fans to manage moisture and airflow effectively. Choosing the right CFM is not enough; knowing other elements are also important because they also reduce a fan’s effectiveness: Ductwork Resistance Each 10 ft of 4" duct adds 0.1–0.3 inches of static pressure (SP); elbows, caps, and filters add up to 0.15 SP each. Solution: If the duct run exceeds 20 ft, either: Upgrade to 6" ducting, increase CFM by 20% to compensate Static Pressure (SP) SP is the resistance air faces as it moves through the system. ● Bathroom fans handle 0.1–0.4 inches w.g. ● A 300 CFM fan at 0.5 SP may only deliver 210 CFM. ● Always check the fan’s performance curve at your expected SP. Sone Rating Noise levels matter especially in quiet areas like bedrooms or home offices. ● 1 sone = Quiet bathroom fans with a low sone rating are ideal. ● 3 sones = normal conversation ● ENERGY STAR sets limits: ≤90 CFM fans: Max 2.0 sones and 201–500 CFM fans: Max 3.0 sones Local Climate In hot, humid states like Florida, Louisiana, you’ll need 20% more CFM to combat heavy moisture. Dry zones like Arizona may need less. Ceiling Height For ceilings over 8 ft, apply this adjustment: Adjusted CFM = Base CFM × (Ceiling Height ÷ 8) Example: 100 CFM × (12 ÷ 8) = 150 CFM Final Checklist Before You Buy Before purchasing your exhaust fan, verify these essentials: ● Calculated CFM using room volume, fixture count, and ceiling height ● Duct size & length are compatible with the desired CFM. ● Some ratings are suitable for the room type (≤1.0 for quiet areas). ● Check wiring and circuit requirements, like heat lamps often need a separate circuit. Final Thoughts: Get the Right Airflow, the First Time Proper ventilation fan sizing is important for the protection of your health, home, and investment. A well-sized 110 CFM fan, installed with proper ducting, minimal bends, and correct placement, can perform better than a 200 CFM fan that's poorly installed. So, take 15 minutes to measure your space, crunch the numbers, and evaluate ductwork constraints. I hope your query: What size ventilation fan do I need? Will be solved!

June 10, 2025

Crawl Space Vent Fans: Are They Worth It

Some reports claim that over 60% of the air you breathe on the first floor of your home comes from the crawl space. Imagine if that space is damp, musty, or contaminated, what will be its effect on your health? As a solution, homeowners go for the crawl space vent fans, but are they truly effective, or just a temporary fix? These confusions cause hesitation in buying a vent fan. Therefore, it's time for a reality check. Dig into the pros and cons of a crawl space vent fan before making a final decision. What Is a Crawl Space Vent Fan and What Is It Used For? A crawl space vent fan is an electrically or solar-powered fan that is installed in crawl space vents to circulate air, preventing stagnant moisture buildup actively. Unlike passive vents, which rely on natural airflow, vent fans forcefully push out humid air and fetch in fresh air, improving overall ventilation. A crawl space vent fan is installed for: ● Moisture control by preventing condensation. ● Remove odor and unpleasant smell caused by standing water. ● For air quality improvement by removing radon or VOCs. ● Reduces extreme temperature variations in HVAC ductwork or plumbing. ● Stops long-term structural damage due to wood rot and corrosion. Pros of Crawl Space Vent Fans Those who ask 'what are the advantages of crawl space vent fans?' can read down here: Actively Reduces Crawl Space Humidity and Moisture Mold growth, wood rot, and structural damage are promoted by excess moisture. However, AbeStorm crawl space vent fans have built-in de-humidistats with high-CFM ratings to remove humid air and draw in drier outside air. This constant air exchange helps maintain the relative humidity below 60%, the threshold recommended by the EPA. Prevents Mold, Musty Odors & Pests The crawl space fans help create an environment that's unfriendly to mold and pests by maintaining balanced airflow and reducing excess humidity. This ventilation keeps musty odors away and discourages insects and rodents that thrive in damp conditions. So, get the complete protection for your home's structure and indoor air quality. Improves Indoor Air Quality for Your Entire Home If that air is contaminated with radon, VOCs, or biological pollutants, it can impact respiratory health. Then, how to ventilate the crawl space to prevent radon? Simple! Get ventilation fans that help mitigate this by expelling contaminated air and ensuring a continuous flow of fresh air. Some models include filters to help trap particulates and improve air quality. Energy Efficiency With Smart Features One of the standout benefits of using crawl space ventilation fans is their energy efficiency. These fans are equipped with smart humidity and temperature sensors. With these features, the fan operates only when needed, which can reduce unnecessary power consumption. Plus, they also reduce the workload of the HVAC system. Simple DIY Installation Get easy-to-install crawl space vent fans with plug-and-play setup, pre-drilled mounting brackets, and intuitive controls. You can install most models within an hour without professional help. It is the best hassle-free upgrade for better crawl space ventilation and moisture control. Cons of Crawl Space Vent Fans The picture has another side too! Here are the disadvantages of vent fans: Not Ideal for Extremely Humid Climates No doubt, vent fans can reduce humidity, but in hot and humid regions, especially in areas with high humidity (above 60% RH), they can pull in more moisture than they remove. When warm, moist air enters a cooler crawl space, it can condense on wood, pipes, and insulation. Not a Substitute for Encapsulation or Sealing Vent fans can help, but they are not a complete solution if your crawl space lacks a vapor barrier, proper drainage, or sealing. It cannot alone solve persistent moisture problems. Using a vent fan without addressing these core issues may only provide temporary relief. Noise Level in Some Models Though most modern crawl space fans are designed for quiet operation, some units may produce noticeable noise, especially if installed near living spaces or improperly mounted. The best approach is to ensure that you get a quiet crawl space fan and check specs like dB rating for low decibel output. Improper Installation Can Reduce Effectiveness If you do not install crawl space fans correctly, like with poor positioning or no coordination with vapor barriers or sensors, they may do little to improve air quality or moisture levels. That’s why it’s important to follow the manufacturer’s guidelines, especially when using smart features. Final Words Your crawl space may be out of sight, but it should never be out of mind. A high-quality crawl space ventilation fan is a worthy investment in your home’s health, efficiency, and longevity. Just keep in mind where you are living because the climate and local humidity levels play an important role in choosing the right ventilation strategy. If you are ready to protect your home from mold, rot, and costly structural damage, explore AbeStorm’s trusted lineup of crawl space fans. FAQs Should a crawl space be vented or not? In hot, humid regions, venting may pull in moisture-laden air, worsening mold and humidity issues, so encapsulation and dehumidification may be better. In dry or temperate areas, venting with a controlled crawl space fan can help prevent condensation and mold. How long should a crawl space fan run each day? Smart crawl space fans with humidity sensors run when needed. On average, 2–4 hours per day may be sufficient. However, in humid climates or summer months, daily runtime may increase. What is the ideal humidity level for a crawl space? Experts recommend keeping crawl space humidity levels between 30% and 50%. Levels above 60% can lead to mold, wood rot, and pest infestations. Smart fans like those from AbeStorm activate automatically when humidity exceeds safe limits. Can a crawl space vent fan replace a dehumidifier? Not always. A crawl space fan is great for moderate humidity control and ventilation, but if you are dealing with constant moisture, flooding, or high relative humidity, a dehumidifier is required. In many cases, both systems work best together.

Do Houses Without AC Systems Need Ventilation

May 30, 2025

Do Houses Without AC Systems Need Ventilation

Do Houses Without AC Systems Need Ventilation Absolutely. Poor ventilation traps musty odors that become unbearable. This is especially critical during Southern US summers, when humidity makes homes feel oppressive. Without proper airflow, you'll face peeling drywall, warped cabinets, and potential health issues. This guide explains why ventilation is essential for AC-free homes and how to maintain healthy indoor air. Understanding Ventilation in Homes Ever notice how closed rooms get stuffy with stale air? That's poor ventilation. Simply put, ventilation is the process of bringing fresh air in while pushing contaminated air out, like your home's breathing. Opening windows and doors is the simplest way to ventilate the room. You can also use a ventilation fan to bring fresh air into the room and send out the "bad" air in the house. These "waste gases" include: Carbon dioxide from breathing Cooking fumes and odor Chemicals (formaldehyde, VOCs) from furniture and cleaners Humidity from showers and daily activities Allergens like dust and pet dander Bacteria and viruses Why Ventilation Matters (Especially Without AC) 1. Health ProtectionStagnant air concentrates harmful substances. Proper ventilation reduces triggers for respiratory issues, allergies, and long-term health risks—a critical fact: Gas/propane stoves cause up to 19,000 US adult deaths annually. Air purifiers can't eliminate carbon monoxide. 2. Moisture ControlThe biggest challenge is in humid regions like the South. Daily activities (showering, cooking, breathing) pump moisture into your home. Without ventilation: Mold grows on walls and ceilings Paint peels Wood structures rot Structural damage occurs 3. Oxygen MaintenanceVentilation prevents carbon dioxide buildup that causes headaches, dizziness, and fatigue. 4. Odor ReductionContinuous airflow removes stale smells (though it doesn't cool like AC). Warning Signs of Poor Ventilation Persistent musty smells Condensation on window Visible mold growth Increasing allergy symptoms Difficulty breathing indoors If you notice these, act immediately. For severe cases, install exhaust fans or dehumidifiers. Ignoring it often leads to $2,000+ mold remediation bills. Passive Ventilation: Natural Airflow Solutions Use physics to move air without electricity – ideal for AC-free homes. How it works: Stack EffectWarm air rises and escapes through high vents, pulling cool air through low openings. Wind-Driven VentilationWind forces air into your home (windward side) and pulls it out (leeward side). For example, they oriented the air intake windows toward the sea breeze in a Miami beachfront home. Benefits of Passive Ventilation: Reduces energy costs Lowers carbon footprint Improves indoor comfort Enhances air quality Requires minimal maintenance The stack effect is another natural way to cool a home. As warm air rises, it causes airflow between different levels in a building. Careful design is essential for this to work well, especially in multi-story houses. Adding shading features also helps with airflow. Shaded spots tend to be cooler, which encourages natural air circulation. Eaves and overhangs can be effective options. The materials used in buildings also influence passive ventilation. Breathable materials like bricks and stones help with natural air exchange, and properly sealing gaps and joints can improve control over air movement. If you do this right, you'll enjoy a cooler home and save on energy costs. Difference Between HVAC and Air Conditioning HVAC does more than just cooling – it covers heating, ventilation, and air conditioning to manage your whole indoor environment. Air conditioning focuses only on cooling things down. People often confuse the two because they look similar, but here's the key difference: HVAC combines heating units, ventilation fans, and cooling components in one system for year-round control. Air conditioners usually work alone or with basic fans. When choosing what's right for your home, consider your climate—HVAC for complete temperature management and AC if you just need relief from heat. Ventilation Without AC: Strategies for Maintaining Comfort Homes without AC need other ventilation methods. These keep indoor comfort and air quality. Design homes to use natural breezes. Cross-ventilation lets air flow through rooms, lowering indoor heat. Building features help ventilation. Big windows and well-placed vents move more air, and skylights add extra air exchange paths. Fans matter when natural wind fails. Some devices copy natural breezes with changing speeds. Smart home tech adjusts ventilation automatically. Systems respond to temperature and humidity shifts. Change daily habits for comfort. Wear season-friendly clothes and bedding. Cook outside to avoid indoor heat and dampness. There are different strategies that can replace AC. Boosting Airflow with Fans 260CFM Ventilation Fan works best in large rooms, creating steady breezes that make heat bearable. Add exhaust fans in kitchens and stuffy corners to push out hot air. Use adjustable-speed models to control airflow as weather changes. Plants: More Than Decor Plants pull toxins from the air and release oxygen, acting as natural purifiers. Place leafy varieties near windows – they cool through evaporation, especially helpful in dry climates. Water features like tabletop fountains add moisture to dry air. Combine plants and water for a fresh indoor oasis. Conclusion Get the air moving right in your AC-free home—crack those windows for healthier living, lean on nature's free cooling to save cash and the planet, and plan smart to stay comfy without cranking up energy bills.

What Temperature To Close Crawl Space Vents

April 21, 2025

What Temperature To Close Crawl Space Vents

Dampness can break into a house through several ways. Broken gutters, bad roofing, and structural problems are the root causes behind the access. But crawl space vents can serve as another key to the humidity entrance and present a harmful risk for mold formation and pest outbreaks. This is the reason various homeowners now question, What temperature to close crawl space vents? The brief answer is that it relies on the weather. This post will discuss when to open or close crawl space vents, the importance of the right timing, and how modern equipment, such as crawl space dehumidifiers and a crawl space ventilation fan, can save your house throughout the year. Why Crawl Space Vents Exist in the First Place? The true purpose of crawl space vents was to let clean air pass over the space under your house. Constructors thought this air circulation could maintain dampness levels way down and help avoid mold or wood decay. For several years, residents were advised to set out crawl space vents open or closed based on the season. Nevertheless, unlocked vents permit outdoor air, and with it, cold, moisture, or warm air into the crawl space. In damp summers, this introduces the humidity. During chill winters, it results in greater heating prices and frozen pipes. That being said, leaving crawl space vents open or closed at inappropriate times can bring about more damage compared to benefit. At present, builders suggest a regulated ventilation setup. Rather than depending on external weather, invest in machines such as a crawlspace ventilation fan or crawl space dehumidifiers. These control air circulation and dampness without the possibility that arises from open vents. So, What Temperature To Close Crawl Space Vents? The common rule is straightforward. Close crawl space vents in winter while outside temperatures dip below 40°F (4°C). Chill air penetrating via open vents can harden water pipes, increase heating prices, and generate condensation on chill surfaces. The occupants mostly question: should crawl space vents be open or closed during the winter? The answer is obvious: they must be shut. Locking the vents assists in catching heat, lowering air circulation, and saving your plumbing setup. Besides, in damp or rainy climates, you might have to close crawl space vents in summer. Humid air from outdoors can move humidity levels up in your house. Consequently, it supports mold development, wood decay, and damp smells. For those wondering when to open crawl space vents, the answer rests on your location’s climate and how thoroughly the crawl space is sealed. Also, several people invest in vent covers that lock mechanically depending on the temperature. The rest install a crawlspace ventilation fan with a thermostat to regulate airflow automatically. These devices clear away the assumptions from determining when to open crawl space vents or shut them. Problems Caused by Leaving Vents Open in the Wrong Season Making crawl space vents open at a bad time can lead to big issues. This is because your crawl space links to your remaining home. Dampness, air, and temperature variations underneath can influence protection, ease, and energy prices above. Winter Problems Cold Floors: Unlock vents allow cold air to go up in the living areas. Frozen Pipes: Chill air getting into the crawl space hardens water lines. Heat Loss: The HVAC setup functions more to maintain the home warm. This is the reason it’s significant to close crawl space vents in winter. Securing vents helps avoid freezing and keeps heat inside. Summer Problems in Humid Areas Moisture increase: Damp, hot air increases humidity levels under the house. Mold Formation: Wet insulation and wood turn into hotbeds for mold. Musty Smells: Humid air in the crawl space results in odors inside the home. When you stay in damp weather, don’t think vents must always remain open in summer. In various scenarios, it’s recommended to close crawl space vents and run a crawl space dehumidifier to extract excessive moisture. Signs You Should Keep Vents Closed or Consider an Upgrade At times, figuring out whether to keep crawl space vents open or closed is not sufficient. You are required to search for symptoms of bad situations. The problems appear when submissive venting is failing and when it’s the moment to utilize good devices such as crawlspace ventilation fan or crawl space dehumidifiers. Observe these distressing signals: Damp smells inside: Foul smells mostly arise from too much dampness under the floor. Mold on insulation or structural support: Mold suggests the crawl space is very humid. High moisture readings: When a hygrometer indicates over 60%, the air is too humid. Pest activity: Insects and rodents such as moist, dark crawl spaces. Wood decay or rot on HVAC tools: Signals of humidity harm. In that case, when you notice any of the above-mentioned, keeping the vents closed is an intelligent move. However, sealing the vents and running a crawl space ventilation fan or dehumidifier is much better. These setups give you complete control over dampness and air, regardless of the external climate. Having said that, Abestorm provides strong crawl space dehumidifiers made for limited headroom. The units work silently, drain mechanically, and need less upkeep. Also, they assist residents in preventing humidity issues without continuous inspection. Best Practices for Managing Crawl Space Year-Round The effective management of a crawl space is based on dampness, temperature, and your house’s locality. Regarding what temperature to close crawl space vents is an element of a grand scheme to save your house all year long. Stick to these easy seasonal suggestions: Winter: Close crawl space vents in winter to ensure freezing air stays out and pipes are secure. Apply insulation and invest in a crawl space dehumidifier to control indoor dampness. Summer (in humid regions): Hole vents shut to cut off humid air. Invest in a crawl space dehumidifier or crawlspace ventilation fan for air circulation and humidity management. Spring/Fall: Keep track of moisture levels using a hygrometer. Regulate dehumidification or ventilation depending on weather patterns. A thorough knowledge of when to keep crawl space vents open or closed prevents harm. Joining closed vents with the correct devices provides complete control over dampness and air. Conclusion Looking after your crawl space isn’t just about relief, it’s about avoiding actual issues such as mold, humidity harm, and energy loss. As the weather changes, little changes, for instance, closing up vents or controlling airflow, can be of value in your house’s well-being. Utilizing equipment such as a dehumidifier or a ventilation fan offers you more control, regardless of the season. Protect Your Crawl Space with Smart Solutions! If you’re in need of any kind of dehumidifiers or ventilation fans, look no further. Abestorm brings innovative products made for trustworthy, all-year-round use. Close your vents. Dry your space. Choose Abestorm for enhanced crawl space safety.

October 27, 2024

What are the Different Types of Ventilation Fans?

Whether in the office or at home, we spend most of our time indoors, so it is important to keep indoor air fresh and comfortable. Poor air quality is not only harmful to our health but can also damage goods and property if it contains particulates like water vapors. Ventilation fans ensure proper air circulation indoors and help avoid potential problems. There are different types of ventilation fans, each designed to serve different spaces. For instance, to remove stagnant air from a crawlspace, you need to use a crawlspace ventilation fan. Similarly, industrial fans can be used to remove harmful gases from factories. Let’s look at the various types of ventilation fans and how they can help improve indoor air quality in different settings. What are the Different Types of Ventilation Fans? Here are different types of ventilation fans, how they work, and where they are commonly used: 1. Exhaust Fans These are the common types of ventilation fans that remove stale, stagnant, moist, and polluted indoor air from an enclosed space and expel it outside. These are commonly used in kitchens, washrooms, and laundry rooms. Such types of fans such as kitchen exhaust fans and bathroom exhaust fans effectively neutralize bad odors like chemical smells, and cooking fumes, and reduce excessive moisture. Since these fans keep the room fresh by sending moist and smelly air from a particular indoor space to the outside, they reduce humidity and help prevent mold growth. Typically, exhaust fans can be installed on windows, walls, and ceilings. 2. Supply Fans Unlike an exhaust fan which expels indoor air, a supply fan brings fresh air from outside into the enclosed space where it is installed. It introduces fresh outdoor into the enclosed space and maintains positive air pressures. This keeps your indoor air fresh and comfortable. These fans are widely used in commercial settings such as sealed offices, factories, cleanrooms, laboratories, and hospitals. Also, a supply fan is used in an HVAC system. An HVAC supply fan works alongside exhaust fans to ensure proper airflow. 3. Axial Fans Axial fans ventilate air by moving it along the fan's axis. They use a propeller to move air. These fans are used in ventilation systems to move large volumes of air with minimal pressure difference. These are ideal for applications where high airflow is needed, but not high pressure, such as cooling towers, removing heat from data centers, or introducing fresh air in greenhouses. These are used in both residential and commercial ventilation systems. These fans help keep the environment fresh by continuously circulating large amounts of air without significantly increasing pressure. 4. Inline Fans These are special fans designed to be placed inside air ducts to help move air through long or complicated ventilation systems where traditional fans can’t be used. The inline fans increase airflow in areas that don’t have direct ventilation to the outside. They help move air from one room to another with the help of ducts. An inline fan for ductwork can be used in areas where regular fans can't be installed or provide insufficient airflow, such as crawl spaces, basements, kitchens, or washrooms. These fans are typically hidden and operate quietly due to their location. They can also provide airflow to multiple rooms. 5. Centrifugal Fans Centrifugal fans increase air pressure by moving air at a right angle from the intake. Unlike inline fans, centrifugal fans are used in areas where high pressure is needed. They spin the air as it enters the intake. These fans, also called blowers, pull air in from the center and blow it out to the side to create high pressure. They are designed for industrial applications, such as factories and laboratories, where air needs to be moved through long duct systems. 6. Mixed Flow Fans Mixed flow fans have features of both axial fans and centrifugal fans. This means they move air straight through the fan's axis but also produce high pressure like a centrifugal fan. This mixed operation allows these fans to handle large amounts of air over long distances while maintaining high pressure. This makes them an effective option for moving air longer distances. These ventilation fan types can be used to meet versatile ventilation needs. Their applications include tunnels, subways, parking garages (garage exhaust fans), shopping malls, large-scale greenhouses, hospital HVAC systems, and many other commercial applications. 7. Cross Flow Fans As the name suggests, these fans create a cross airflow, where the air moves across the fan's cylindrical blades. The air enters from one side of the blades and exits from the opposite side. These are called cross-flow fans because the airflow moves perpendicular to the fan's axis. These fans are used in places where gentle and consistent air circulation is needed over a large area. Common applications include air heaters, air conditioners, and cooling systems for electronics. 8. Crawl Space Fans These are a type of ventilation fan intended to ventilate and control humidity in crawl spaces. While these fans help reduce humidity, they can’t replace a humidifier if the conditions are too harsh. Crawl space fans create balanced airflow by drawing out stale and humid air and filling it with fresh outdoor air. These fans help control humidity and mold buildup in crawl spaces by ensuring proper air circulation. These fans are a quiet and energy-efficient way to remove smelly, moist crawlspace air and reduce the risk of mold growth. 9. Ceiling Fans These fans circulate the air in specific enclosed spaces or rooms. These are commonly used in homes and offices. They don’t remove air like exhaust fans. Instead, they circulate the air within the particular area they are installed in to create a cooling effect. They distribute the air evenly throughout the room by spinning their blades. The main applications include bedrooms, living rooms, and offices to create a cooling or heating effect. They enhance your comfort by creating a cooling effect in summer and a heating effect in winter if used in reverse and reduce the energy consumption of your HVAC system. Typically, they come with reversible blades for seasonal use. 10. Attic Exhaust Fans These fans are used to remove hot air from attics, especially during summer. Attics tend to get much hotter in the warmer seasons, and if this heat isn’t addressed in a timely manner, it can spread throughout your home, putting extra strain on your air conditioner. They work by venting out the hot air. By cooling the attic space, these fans reduce the load on your air conditioning system which in return helps lower energy costs. They remove existing heat and prevent future heat buildup, which can damage your roof. Therefore, using an attic fan helps extend the lifespan of your roof. 11. Whole House Fans Whole house fans are the most powerful types of ventilation fans designed to ventilate your entire home. They provide continuous fresh air circulation by pulling in fresh air from outside through windows and pushing stale indoor air outside through the attic. This ventilation system for home is very helpful when the homes are located in cooler regions as it replaces existing indoor air with fresh outdoor air. So, when outdoor air is cooler, it can replace the traditional air conditioning system. They are most effective when the outdoor air is cooler than the indoor air. Therefore, the best times to use these fans are in the morning or evening. Read this to find out the top 6 ventilation fans for bathrooms. Conclusion There are different types of ventilation fans, each engineered to serve a specific purpose. An exhaust fan helps remove stale indoor air from a particular room or space, whereas a whole-house fan ventilates your entire home. You can choose the one that best suits your needs. Remember, whichever option you choose, these fans can help reduce moisture and improve air quality, but they can’t replace air purifiers and dehumidifiers in most cases. If you are looking for a tailored solution to address your indoor air problems, you can visit our website or contact our support team. At Abestorm, our support team will help you find the best solution for your indoor air quality issues.