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Should I put a Dehumidifier in my Garage?

garage dehumidifier

A dehumidifier can help solve many air quality issues in your home that are attributable to humidity. Humidity can promote the growth of airborne allergens such as mold spores and dust mites.

Should I put a dehumidifier in my garage? Yes, you should put a dehumidifier in a garage because most garages tend to have high humidity levels as they are not well-ventilated.  Dehumidifiers will remove humidity from the air reducing the potential for dust mites, mildew and mold inside the garage.

Relative humidity can have adverse effects on the air you breathe when levels exceed 50%. At these levels, allergens are far more likely to worsen the overall air quality. Excessive humidity can also cause problems with the structural integrity of your home, the condition of your home furnishings and create an unpleasant musty odor

For the air in your home to feel cool, it must be dry. Humid air can cause your AC unit to overwork itself and raise your utility bills unnecessarily. When dry air is maintained, not only does it help to eliminate these issues, but it also creates a healthier breathing environment.


Why you need a dehumidifier

Air pollution very heavily affects not only our respiratory system, but also our heart. So it’s important to at least maintain fresh air in our homes. Due to excessive moisture, houses can start getting dust mites or mold which is extremely dangerous to human respiratory system and overall health.

Suitable environments should not cause discomfort. You should not feel headaches, have a dry cough or itchy eyes. The rooms or the walls should not contain black spots, and if they appear you can suspect that something is wrong with them microclimate.

Moisture is most commonly seen while dryness is usually felt. Conditions which dry out our nose and throat, unstoppable viruses and bacteria enter the airways easier and can even cause allergies. They can also cause rash itchy skin, and if the person has a chronic disease such as asthma dryness can cause it’s more frequent attacks.

A dehumidifier is what you need. Taking excess humidity from the air, the collector condenses it and collects it in a tank and later the condensate is discarded. This helps to drop the relative humidity. Enjoy fresh air for better health.


Which dehumidifier is right for your garage?

  • Excess humidity can become a serious issue if not addressed and we have selected the best performing units in all categories to ensure that you will find the one that fits your specific team edification needs. Check out our list of the best dehumidifiers for your garage.
  • Home dehumidifiers come in varying pint sized capacity which correlates to the square footage and moisture level of this space you will be using the unit in. Most units allow you to set your desired level of humidity and will automatically turn on and off as needed.
  • While the physical size of the unit might be similar, there can be a big difference in the amount of water the unit can remove from the air per day. The larger the pint sized capacity, the more efficient it will be and the quieter it will be.
  • Both at home dehumidifiers feature a water bucket and automatic shut off feature for when the container is full. Many models are also equipped with a drain hose connection that allows for continuous drainage when required.
  • If you need to use the unit in a space where the ambient temperature could drop below 65 degrees Fahrenheit, you will need to purchase a low temp unit such as those offered by both Danby and Edge Star.
  • Garage dehumidifiers are generally more rugged in design. They are made to operate in low temperatures and some come with drain pumps for permanent installation.

How to choose the best Dehumidifier


Think about the size of your space and the capacity you’ll need. Dehumidifiers are rated by the number of pints of moisture they can remove in 24 hours. A small unit works great for a smaller room with lower level humidity. Larger models are best for basements and high humidity environments especially if wet carpet, wallpaper or musty smells are present.


Units typically take up a square foot of floor space. Keep the filter clean and vents clear with at least 12 inches of circulation space. Also, consider noise level if you plan to run the unit in common areas.

Built-in features

If you plan to be away frequently, choose a model with a timer and an auto-restart in case of power failure. If you plan on moving the unit around, choose rolling casters.

Energy Star ratings

Dehumidifiers with an Energy Star rating used nearly 30% less energy than non-certified units. They may cost more initially but make up for it and energy savings over time.

External hose connector

Most models have an indicator showing when the bucket is full. To avoid emptying the tank manually, choose a model with an external hose connector. Some models advance this idea with an added internal pump that automatically pumps water upward up to 16 feet out a window or into a utility sink or drain.


It is not doubt, a dehumidifier comes with numerous benefits. If you live in places that have high humidity, you may need to get one not just for your overall health, but to protect the tools inside your garage and also prevents the garage from smelling bad.


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My name is Mike Thorne, a car enthusiast and a DIY for life person. I love spending time in my garage and that is why you will get firsthand information on this blog about all things garage-related.

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