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7 Best Dehumidifier for Garage (Reviewed 2021)

best dehumidifier for garage

In the spring and summer months, when the temperatures rise so does the humidity. While a certain amount of humidity in your home is preferable, too much can have a variety of negative effects.

Excessively damp air can aggravate respiratory issues like asthma and allergies due to warping hardwood floors and peeling wallpaper and cause the growth of mold and mildew. Plus, it’s really uncomfortable.

Humid weather keeps your sweat from evaporating which is the body’s natural cooling method leaving you feeling hot and sticky. Hence the common phrase, it’s not the heat it’s the humidity. The solution to all these problems is to run a dehumidifier, a small appliance that removes excess moisture from the air in your home.

Dehumidifiers can be used to bring down the humidity on sticky summer days or to help with cleanup after a flood or garage seepage.  They work by circulating warm humid air over cool coils. The moisture condenses on the coils and turns to water then drips down into a collecting reservoir while the dryer is sent back out into the room.

The following are the best dehumidifiers for a garage

Keystone 50 Pint DehumidifierCHECK PRICE
Frigidaire 70 Pine DehumidifierCHECK PRICE
Eva Dry E 333 Portable DehumidifierCHECK PRICE
Vremi Home Dehumidifier.CHECK PRICE
Ivation 70 pine Energy Star DehumidifierCHECK PRICE
Friedrich Air Conditioning D50B1A 50 Pint Dehumidifier with PumpCHECK PRICE
  1. Keystone KSTAD504D Dehumidifier


The Keystone KSTAD504D is a powerful dehumidifier that can remove up to 70 pints of moisture from the air each day. Remarkably, it can dehumidify an area of up to thirty eight hundred square feet making it a good choice for dehumidifier in your entire home.

Unfortunately, the Keystone’s water collection reservoir is the smallest holding just ten point four pints. You can overcome this by attaching a garden hose to the units drains found and directing it into a nearby floor drain.

The machine lacks a drain pump so the drain must be lower than the unit or you’ll need to buy an external pump. This unit produces only 53 decibels on its high setting. It also has some excellent safety features such as an automatic shut off function that turns Keystone off once your home hits the humidity levels you’ve chosen.

The machine will also shut down when the water collection bucket is full. Another safety feature, the auto-defrost keeps the machine from freezing when the air gets too cold. This whole house dehumidifier uses 720 watts of electricity though there are comparable units that use less energy.


  1. Frigidaire 70 Pine Dehumidifier with Effortless Humidity Control.


If you’ve decided that you need a dehumidifier in your home or garage look for a model that has the appropriate capacity for your room size and convenient features like a 24-hour on off timer.

The Frigidaire 70 pine dehumidifier with effortless humidity controls one of the best models available and customers consistently praise its ability to remove excess moisture from the air and prevent mold and mildew from growing.

This Frigidaire dehumidifier can remove up to 70 pints of water from the air per day. And if it’s located near a suitable drain, you can set up the units so it can drain itself and run continuously.

No need to empty the water tank. The dehumidifier has reddish select electronic controls as well as a digital humidity measurement. Its energy star certified and it can even operate in temperatures as low as 41 degrees, plus it has several features that make it easy to move including both top and side handles and castor wheels.


  1. Eva Dry E 333 Portable Dehumidifier.


Humidity is everywhere which is why this Eva Dry E 333 portable dehumidifiers a must have for smaller areas. The handheld five by five inch device can be placed anywhere extra humidity clogs up the air such as in closets under your garage, kitchen sink, in saves boats, RVs or bathrooms and more.

Eva Dry E 333 portable dehumidifier helps to eliminate excessive humidity for up to 10 years using renewable Silica Gel Technology that works without batteries or external power.

Without the need for a power source, the portable dehumidifier is completely silent but it’s powerful enough to provide a humidity solution in any area up to 333 cubic feet. The dehumidifier is renewable meaning it will not require any expensive refills and comes backed by a five year warranty.

The product works on a cycling system in which you place it in a damp area to soak up moisture and then remove it to charge. As unit absorbs the humidity, there is an indicator window containing crystals that will change from orange to green over the course of two to four weeks or as the device collects between eight and 10 ounces of moisture.

When the crystals have changed to green, this indicates the dehumidifier is ready to be renewed or plugged in for eight to 10 hours in a well-ventilated area and then placed back in your area you wish to remove humidity from. The product is designed to be used in this way for up to 10 years as it captures moisture in the air without any leaks or spills.


  1. Vremi Home Dehumidifier.


This dehumidifier can pull up to 50 pints of moisture from the air in your home each day. Covering an area up to thirteen hundred square feet, this makes it a good choice for small homes or for rooms in larger homes. However, it’s not nearly as capable or powerful as other dehumidifiers.

It uses only 520 Watts as much as 200 watts less than most competitors helping the Vremi earn the Energy Star certification. It has a 14.8 pine water collection reservoir war and SS with all the dehumidifiers.

You cannot connect a hose to the back for continuous drainage though you have the option of pumping the water to a nearby drain or sink using the included drain pump with some other units like.

This machine has several safety features. For example, if you’re using the water collection bucket the auto shut off keeps it from overflowing. If your home gets too cold this Vremi dehumidifier can automatically defrost itself to prevent internal components from freezing and breaking.


  1. Frigidaire 30 Pine dehumidifier with Humidity Control.


If you’re looking for a smaller more affordable dehumidifier, you can’t go wrong with the Frigidaire 30 pine dehumidifier. While it may need to be emptied more often, this popular model is perfect for smaller garages and it will keep mold and mildew from forming all while reducing the humidity level in your garage.

This unit can remove up to 30 pints of water from the air each day and it will automatically alert you and then shut off when the tank is almost full. Its energy star certified and the ready set electronic controls are easy to use.

The Frigidaire dehumidifier can operate in temperatures as low as 41 degrees so you can use it in a cooler garage and it has side handles and wheels to increase portability.


  1. Ivation 70 pine Energy Star Dehumidifier


Suck humidity out of large rooms with an evasion 70 pine Energy Star dehumidifier. The dehumidifier keep spaces up to 4,500 square feet cool and comfortable by removing 70 pints of moisture a day.

It uses an advanced filtration system and evaporation system that helps to prevent mold, mildew and structural cracking. The dehumidifier also safeguards those in your home against allergen minds and other asthma triggers.

It has an easy to use LCD interface that lets you check the humidity stat, set your ideal levels, adjust fan speed, program the 24-hour timer and receive important filter and reservoir alerts. It also uniquely has multiple green features including energy saving auto-shut off mode, a timer and a cleaner bill and thus reusable filter.

Other parts include an extra long six-foot cord, three prong power cord that eliminates the need for extension cords, two fan speeds of regular and Turbo an optional host connection to make draining a nozzle defroster sensor that prevents wasting energy and protects evaporator coils all within a relatively small compact 40 pound design.


  1. Friedrich Air Conditioning D50B1A 50 Pint Dehumidifier with Pump


The Friedrich D 70 BP can remove up to 70 pints of airborne moisture each day and can dehumidify homes up to 1,300 square feet. This unit has a 16.2 pound water collection bucket so you don’t have to empty it frequently. However, the machine lacks a window to check the water levels at a glance.

A continuous drainage feature with a built in drain pump pushes water into a sink or out a window.  There are several safety features worth noting particularly auto defrost which keeps a unit working in temperatures as low as 41 degrees Fahrenheit and helps prevent damage caused by freezing water.

This makes it an excellent choice for unheated basements or garages. This dehumidifier weighs 47 making it one of the heaviest products though the built-in wheels make it easier to move. This is one of the most expensive units available though this is understandable since it has excellent energy efficiency and is energy star qualified.


Best Dehumidifier Buying Guide


When buying a dehumidifier, first decide what size you’ll need.

Small dehumidifiers are rated to remove between 25 and 45 pints of moisture from the air per day from an area between about 300 and 500 square feet.  These are best for increasing air quality in a room that feels damp and might smell musty but isn’t wet. A small dehumidifiers a good choice for a bedroom or a living room.

Medium dehumidifiers are rated to remove between 50 and 60 pints of moisture per day from an area between about 700 and 1,000 square feet. These are good choice for an area that feels excessively damp or with walls and floors that are wet from seepage.

Large Capacity dehumidifiers rated to remove between 70 and 75 pints of moisture per day from an area of around 1,500 square feet. These units are suitable for unfinished basements that are prone to flooding or excessive seepage.

Air Filters

Not all dehumidifiers are created the same though some have additional features built in things like an integrated air filter. Dehumidifiers with an integrated air filter help clean the air as they dehumidifier, creating a healthier atmosphere in your home. They’re great for people who suffer from seasonal allergies.

Full tank alert

There’s also a full tank alert. When a dehumidifier reservoir reaches capacity, it shuts off a full tank alert will let you know when it’s time to empty that reservoir.

Direct drain option

Don’t want to worry about constantly emptying your dehumidifier. Choose one with a direct drain option which lets you run a hose to a sump pump or drain in your floor for continuous worry free removal of water.


A humidistat measures the amount of moisture in the air and adjust the thermostat accordingly letting you dial in a precise desired humidity level.

Multiple fan speed

Multiple fan speeds which allow the dehumidifier to operate more quietly when needed.

Auto defrost

This helps the unit operate in lower temperatures by shutting down to allow any ice that may be built up on the coils to melt so as not to cause any damage.


Why dehumidifiers are important

Humidity in the home can cause many problems. Often it can lead to the cause of mold, mildew and damp and can also lead to rooms feeling stuffy and smelling musty. Less obvious are the potential health problems of damp environments often harbor dust mites, leading cause of asthma.

Dehumidifiers remove dust dirt and moisture from the air making the environment less attractive to dust mites and other insects and reducing the amount of moisture left to collect on cool surfaces, walls and windows.

Did you know that in a typical 3.5kw on a thousand spin cycle there was around one point five kilos of retained water. Using a dehumidifier in your laundry room can dramatically speed up drying times.

When used in a central location, moisture from around the home will be drawn to the dehumidifier and you may also notice that your room’s warm up faster when your heating system is on.

So how do dehumidifiers work?

A humidistat monitor’s relative humidity in the home and when this reaches a selected level for example 20%, the dehumidifier will switch on and begin removing moisture from the air.

The air is first drawn in through a panel filter which removes dust and dirt. This filter is designed to last the life of your dehumidifier and is washable so it never need replacing. The air is being cooled, condensing the moisture which is removed and deposited into a water tank.

The dry air is then re-warmed using the heat generated by the dehumidifying process and passed back into the room. Once the tank is full, it can be quickly removed and the water disposed off or because it contains no calcium, reused in your iron. This is especially useful in hot water areas.

Other dehumidifiers will automatically switch off when you remove the tank or if the tank becomes full. For less frequented areas of the home, an optional continuous drain line is available for nonstop operation.


So now that you have all the information you need to select a dehumidifier, be sure to check them out by following the links. If you still have questions make sure to leave them in the comments.

5 Best Humidifiers for Garage: Reviews & Buyer Guide



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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