How to Use a Dehumidifier to Cool a Room

Do sweltering summers make you feel like you live in a sauna? It’s time to unveil a secret weapon that can transform your hot and stuffy room into a calm oasis: a dehumidifier.

In pursuing a relaxed and comfortable environment, one often overlooks the untapped potential of a humble dehumidifier. While its primary purpose is removing excess moisture, this remarkable device helps alleviate the sweltering effects of hot weather. Traditional remedies like increasing fan usage or adjusting it at a higher speed may prove inadequate when faced with the distressing discomfort of rising temperatures.

However, employing a dehumidifier can effortlessly combat the oppressive heat, making your room more comfortable as it dries out the air and reduces the moisture that supports heat.

You should know that a dehumidifier does not reduce temperature directly; it creates an arid, relaxed atmosphere that gives a comfortable feeling. You can use another temperature control appliance, like an air conditioning unit, to reduce your room’s temperature.

Also Read: Best Dehumidifier for large room

What Does a Dehumidifier Do?

A dehumidifier is a device that removes moisture from the air, therefore reducing its relative humidity. It is beneficial in humid and hot climates when moisture rises beyond safe levels.

By running a dehumidifier, you can keep humidity under control by maintaining it in a safe range. However, be careful not to over-dehumidify, as a deficient moisture level could also be unsafe.

Can a Dehumidifier be Used Instead of an Air Conditioner?

Do dehumidifiers cool the air? No

You cannot use a dehumidifier instead of an air conditioner. They are two separate devices that cannot be used interchangeably; a dehumidifier extracts moisture from the air while an air conditioner cools the air in the room.

An air conditioner also dehumidifies the air in a room during the cooling process (passing it through chilled pipes). A dehumidifier does not reduce the air temperature while dehumidifying.

Does a Dehumidifier Cool a Room?

How will a dehumidifier help cool a room? A dehumidifier could be used intelligently to cool a room; it all depends on how you use it! When the humidity in the air is high, the air feels warmer than it is. On the other hand, dry air always feels cooler. Therefore, using a dehumidifier to cool a room would help you feel calmer, although it does not directly affect temperature.

Moreover, when the room temperature is high, sweat evaporates from the skin and settles in the air causing the air to be moister. Over time, you would start to feel clammy, especially the skin, because you can’t stay dry due to sweat not evaporating anymore. This is usually caused when the air is saturated and cannot hold more moisture.

In such a situation, running a dehumidifier reduces moisture in the air and keeps your body cool by reducing sweat evaporation into the atmosphere.

Also Read: Best Non-Electric Dehumidifier for Bathroom

How Does a Dehumidifier Work?

A dehumidifier draws air from the atmosphere and passes it through refrigerated coils. During this air flow, condensation occurs, and moisture is directly extracted from the air as water droplets.

The water is collected in a tank or directly drained to a location, while the moisture-free and dry air is released back into the atmosphere. After a while of continuous moisture extraction, the level of relative humidity in the atmosphere drops.

There are also low-grade dehumidifiers that expose moisture-absorbing beads to the atmosphere, absorbing moisture directly. These types are cheaper and smaller but also way less effective. They are primarily suitable for small spaces like cupboards and wardrobes.

Requirements for a Dehumidifier to Cool a Room

Finding the correct type of dehumidifier is essential because the result depends on the dehumidifier’s capacity and ability to dehumidify the air properly. Dehumidifiers are rated based on room size in square feet, so you must purchase a unit that matches your room’s.

It would be best to consider the temperature of the environment around you. Some dehumidifiers cannot run in low temperatures, while others can. On average, most dehumidifiers work best in temperatures from 70 degrees Fahrenheit and higher. The low temperature could cause the dehumidifier’s coils to freeze, blocking its air passage.

To counteract this, many new dehumidifiers come with an inbuilt anti-freeze system. Your unit should undoubtedly have this if you live in icy areas. Also, you cannot cool a room that is already cold.

How to Make a Dehumidifier Cool Your Room – DIY

Here are easy steps on how to make a dehumidifier cool your room:

  • Ensure the room is adequately insulated from the external environment. This should be done for the dehumidifier to have the most impact on your room’s air, including closing all doors and windows.
  • Purchase a good-capacity dehumidifier and set it up, preferably in the middle of your room. This should be done preferably when you do not have to use the room, and also ensure you follow all manufacturer’s recommendations on how to use and position the dehumidifier.
  • Run the dehumidifier, preferably in your absence, because it is a drying agent and can cause the skin to dry up. Dehumidifiers shut off as soon as the tank gets full, or you can use a continuous drain option to avoid the stress of emptying the tank frequently.
  • Note that the dehumidifier should reduce humidity to a safe level and not allow it to reduce relative humidity too low.


A dehumidifier is a drying agent that can help cool a room. Although it does not reduce temperature directly, it creates less humid air that cools the body. You can easily use a dehumidifier to navigate your heat problems, but remember that it does not and cannot function like an air conditioner that directly cools the air.

Unleash the magic of a dehumidifier, and let it banish moisture and transform your space into a sanctuary of pure freshness. Say goodbye to dampness and hello to a breath of crisp, revitalizing air. Embrace the power of a dehumidifier and reclaim your comfort today!

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