Do You Need a Dehumidifier For a Garage? – Garage Transformation Ideas

Garages tend to have high humidity due to a lack of proper ventilation. Using a dehumidifier for a garage is necessary to dry out the garage. Using a dehumidifier encourages the flow of air in the garage to get rid of excessive moisture. Removing excessive moisture prevents the growth of mold and mildew in the garage. The dehumidifier also helps to remove allergens from the garage leaving the air fresh. If you use your garage for home projects or spend some time every day in the garage, consider buying a dehumidifier.

Advantages of a dehumidifier for a garage

Prevent growth of mold and mildew

Mold and mildew grow in damp environments, and the garage is one of the areas. You will realize that most of the garages and dark and do not have any windows. The location and nature of the garage encourage moisture that leads to the growth of mold.

Using a humidifier helps to drive out moisture and dampness from the garage. When the garage is dry and airy, the chances of growth of mold and mildew will be greatly reduced.

Better indoor air quality

A humid garage feels stuffy and damp. It is impossible to enjoy living or working in a garage with high humidity. The work of a humidifier is to help you to improve the indoor air quality. When the air is stuffy and humid, it holds pollutants such as dust mites and pollen.

A dehumidifier will help you to eliminate all the dust mites in your home and dirt particles. You will enjoy the better indoor quality and reduce the chances of illnesses.

Protect garage walls and floor

Using a dehumidifier can help you to protect the garage walls and floor. When the floor and walls are wet, the integrity is compromised. If you have wooden walls or floor, the dampness will make the structure to start rotting and getting weak. Using a dehumidifier will dry out your walls and floor and prevent any decay that might affect the integrity of the whole structure.

Portable and convenient

You will love the portability and convenience of a dehumidifier. You can place the dehumidifier in different parts of the garage and enjoy good quality air. Apart from using it in your garage, you can move the dehumidifier in other parts of the home where you need it.

Affordable to buy and maintain

If you are working with a tight budget, a dehumidifier is an ideal choice for you. It is cheap to buy and maintain a dehumidifier. Unlike installing vents in your garage, buying a dehumidifier is quite affordable. Maintaining a dehumidifier is always cheaper than servicing your vent system in the garage. The cost of buying and running a dehumidifier is cheaper than installing a vent in your garage.

Smart features

Most of the modern dehumidifiers have smart features. They are energy efficient, and running the dehumidifier does not consume a lot of energy. Modern dehumidifiers automatically go on and off whenever required. They will detect the moisture level in the garage and go on and off as required. When the power goes off, the dehumidifier will automatically go on.

What size dehumidifier do I need for my garage?

When choosing the right size for garage dehumidifiers, consider the moisture level and also the size of the garage. For a garage that is moderately damp, you will need 10 US pints to dry 500 square feet. In case your space is very damp, you will need around 32 US pints for 2500 square feet. For a wet garage space, you will need 44 US pints for 2500 square feet.

Dampness Level Characteristics of the garage 500 Square Foot 1000 Square Foot 1500 Square Foot 2000 Square Foot 2500 Square Foot
Moderately damp Musty odor 10 US Pints 14 US Pints 18 US Pints 22 US Pints 26 US Pints
Very Damp Damp spots 12 US Pints 17 US Pints 22 US Pints 27 US Pints 32 US Pints
Wet Water beading 14 US Pints 20 US Pints 26 US Pints 32 US Pints 38 US Pints
Very Wet Standing water 16 US Pints 23 US Pints 30 US Pints 37 US Pints 44 US Pints

Where to place a dehumidifier for a garage

The trick is to place the dehumidifier away from the walls. The work of the dehumidifier is to absorb dampness from the walls. It should be kept some distance from the walls. You can place it in the middle of the garage for it to work perfectly. Placing it in the central place will allow maximum use of the dehumidifier.

Guide on buying a dehumidifier

Garage space

Before buying a dehumidifier, think about your garage space. If you have limited space in your garage, adding a dehumidifier might be challenging. Think about getting a compact size dehumidifier that will not take a lot of space in your garage.

Water capacity

The water capacity is an important feature so that the dehumidifier can absorb all the water in the garage. You can refer to the table above so that you can know the right dehumidifier depending on the level of humidity in your garage.


Buying a portable dehumidifier is always a good idea. It is important to buy a dehumidifier that can be moved to different areas of the garage to eliminate moisture in your garage. With a portable dehumidifier, you can use it in different parts of the home, apart from the garage. A compact and lightweight garage will always do the trick for your garage and home use.

Noise level

A good garage dehumidifier should have low noise levels. In case you have an attached garage, the dehumidifier noise might affect the other parts of the house. A garage dehumidifier with a low noise level is always an added advantage to make it convenient for home use.

Smart features

It is advisable to think about smart features when buying a dehumidifier. Buy a modern dehumidifier that has automatic on and off features. The dehumidifier should also have additional features like defrost features for those days that you have snow in your garage.

A dehumidifier is a must-have gadget for a garage that has no proper ventilation. It will keep the garage dry and improve air quality. It might not make the garage cool, but it will make the garage a comfortable and habitable place.

Do you think a dehumidifier is necessary?

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