when to use a dehumidifier winter or summer

When To Use A Dehumidifier in Winter Or Summer?

Humidity doesn't take a vacation — whether it's the heavy heat of July or the damp cold of January, moisture is always present in the air. But that doesn't mean your home has to suffer from its effects. A dehumidifier can be your year-round ally against excessive humidity, providing a protective shield for your home and health. But the question is, when is the best time to use a dehumidifier, winter or summer? In this blog, we explore the seasonal uses of dehumidifiers and how they can optimize the atmosphere within your home.

Why Consider a Dehumidifier in Winter?

Many associate humidity with summer, but winter brings its own set of moisture challenges. Frequently using a heating system can lead to a dry indoor environment. However, particular areas in your home, like basements and crawl spaces, can still be battlegrounds for dampness due to poor insulation.

A dehumidifier in your crawl space during winter can be a game-changer. It can prevent mold growth and protect infrastructure during the cold months. Additionally, a commercial-grade dehumidifier works wonders in large areas, keeping moisture levels in check and ensuring a dry, comfortable environment for clients and staff alike. Here are some of the specific benefits of using dehumidifiers in winter.

  • Reduces Humidity Levels: A dehumidifier in winter helps maintain a healthy level of humidity in your home, which is particularly beneficial as homes are built to keep heat. Excessive indoor humidity can lead to the growth of mold, mildew, and dust mites.
  • Alleviates Allergies and Respiratory Problems: By reducing humidity, dehumidifiers can relieve allergies and respiratory issues, making the indoor environment more comfortable and healthier.
  • Prevents Condensation: High humidity in winter can cause condensation on windows and walls, which can damage building materials and paint. A dehumidifier helps prevent this by keeping humidity levels in check.
  • Ideal Humidity Levels: Experts recommend keeping indoor humidity between 30% and 50%. If your home's humidity exceeds this range, using a dehumidifier, especially in winter, can help achieve these ideal conditions.

Dehumidifier in Summer

Summer brings hot, muggy weather, which can make high humidity levels in your home uncomfortable. Using dehumidifier in summer not only enhances comfort but also reduces the burden on your air conditioning system.

In areas such as the attic, where the sun relentlessly beats down, using a dehumidifier for the attic in summer can prevent the stifling heat and moisture from damaging stored items and building materials. This defensive action circumvents potential mold growth and infestations of pests attracted to damp conditions. Here are some of the benefits of dehumidifiers in summer.

  • Provide Comfort:

During summer, high humidity levels can make even moderately warm temperatures feel much hotter. This is because humidity — the amount of water vapour in the air — can prevent sweat from evaporating off your skin, which is your body's way of cooling itself. A dehumidifier helps by pulling excess moisture from the air, thereby reducing the humidity level. With lower humidity, the air feels cooler and more comfortable, making it easier to relax or sleep without turning down the air conditioning, which can lead to significant energy savings.

  • Prevents Mold Growth That Can Affect Your Health:

High humidity levels create an ideal environment for mold and mildew to thrive. These fungi can grow on walls, clothes, books, and even in hidden areas like behind walls or under floors. Spores from mold and mildew can become airborne, and when inhaled, they may cause allergic reactions, asthma attacks, and other respiratory issues. By maintaining a drier environment, dehumidifiers help prevent the growth of mold and mildew, contributing to healthier indoor air quality.

  • Less Energy Costs:

Air conditioners not only cool the air but also remove moisture. When the humidity is high, your A/C has to work harder and longer to remove that moisture, which can significantly increase your energy bills. By using a dehumidifier to assist in controlling the humidity levels, you reduce the burden on your air conditioning system. It won't have to work as hard to maintain a comfortable temperature, leading to lower energy consumption and potentially significant savings on your electricity bills.

  • Protect Your Home and Valuables from Moisture Damage:

Excess moisture can be detrimental to the structural integrity of your home and can damage your belongings. Wood swells and warps when exposed to moisture, which can affect floors, beams, furniture, and musical instruments. Electronics can also suffer from condensation, leading to malfunctions or a shorter lifespan. Fabrics and papers absorb moisture, leading to a musty smell and the potential for mold growth. By keeping the air dry, dehumidifiers play a critical role in protecting the physical condition of your home and extending the life of your valuables. 

dehumidifier in summer

Should I Use a Dehumidifier in Both Seasons?

There's no one-size-fits-all answer, as the need for a dehumidifier depends on various factors. However, understanding the signs of excess humidity, like condensation on windows, a musty smell, or visible mould growth, can signal the need to turn your dehumidifier on, regardless of the season.

From the expansive attic to the tucked-away crawl space, a dehumidifier guards your home's comfort and safety.

Special Circumstances Requiring a Dehumidifier

  • Crawl Space Dehumidifiers: 

A crawl space dehumidifier is specially designed to handle the unique challenges that these areas present. Crawl spaces often suffer from poor ventilation, leading to stagnant air and moisture buildup.

  • Commercial Dehumidifiers: 

Dehumidifiers play a crucial role in commercial spaces, where air quality can affect health and productivity. They manage larger areas efficiently, ensuring that business operations aren't hampered by climate conditions.

Top Dehumidifier Recommendations

When selecting a dehumidifier, consider not just the season but the space it will serve. Here are a couple of top recommendations from Abestorm.com:

     1. The Compact Guardian: Ideal for smaller spaces or single rooms, this model is perfect for keeping your personal space comfortable year-round.

     2. The Heavy-Duty Sentinel: For more substantial areas or commercial spaces, this dehumidifier promises efficient moisture control without breaking a sweat.

Maximizing Your Dehumidifier's Efficiency

Owning a dehumidifier is only half the battle; using it effectively is key. Here are a few quick tips:

  • Position your dehumidifier away from walls and furniture for optimal air circulation.
  • Keep doors and windows closed when the dehumidifier is running to maximize efficiency.
  • Clean the filter regularly to maintain performance and ensure longevity.


Whether you're concerned about using a dehumidifier in summer heat or struggling with dampness during a frosty winter, a dehumidifier is an indispensable asset for a comfortable home environment. By choosing the right dehumidifier for your needs, you can protect your home from the effects of excessive moisture and enjoy a fresher, healthier living space throughout the year.

Ready to bring balance to your home's humidity levels? Visit Abestorm.com today and find the perfect dehumidifier for any season! Live comfortably, no matter the weather outside. Shop now and breathe easier tomorrow.

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