Humidity levels over 50 percent can result in negative health conditions from the growth of mildew and mold and can damage items like books or clothes all while leaving a musty odor. That is why you want the best dehumidifier to help maintain the ideal humidity of around 40-50% in places such as basements, crawl spaces, bathrooms, closets, garages, apartments, or safes.
Dehumidifiers are rated on their capacity which is number of pints of moisture removed in a 24 hour period. In extremely wet or extremely large areas you will want large capacity machines rated for 60 pints or more. In smaller rooms or less damp spaces, a 30-pint unit might be satisfactory. Some features you should look for, in addition to the capacity, if you are buying a new model are user-friendly controls including desired humidity levels, constant drainage with hose connection or easy to empty tank, auto shut-off, auto restart, defrost, timer, and wheels or castors to easily move the machine on heavier models.
We looked at dozens of models and user reviews to come up with our list of the top 10 best dehumidifiers which we review below. Other than our choice for number one, we tried to focus on models that were available for less than $400.
The best dehumidifier for crawl spaces or basements is the Sante Fe Advance2 which sells for $1380. This made in America unit scores high marks from nearly all users while removing 90 pints of moisture per day and covering any space up to 2200 square feet. In extremely damp, high humid environments it can remove up to 180 pints of moisture per day. It is designed to sit horizontal which creates a smaller, more compact profile to fit into small spaces. The Advance2 meets EnergyStar requirements and comes with all the features you could want like a drain hose, humidity knob control, automatic defrost, independent fan control, and auto restart.
We highly recommend this Sante Fe model for people with wet basements and crawl spaces. For those of you who want to just dehumidify one room like a bathroom or closet then this unit would exceed what you would need and you should choose a cheaper option.
The Frigidaire FAD704DWD is the best selling dehumidifier on Amazon and sells for $235. This large capacity 70 pint unit scores high marks from buyers with a 4.3 average rating and one of the highest scores from the leading consumer magazine. Suitable for rooms up to 1600 square feet, it can operate continuously when near to a suitable drain or will drain into a tank which when full will automatically shut off the machine. A washable filter is included which helps remove bacteria from the air and the entire unit is controlled by simple digital controls with a relative humidity setting ranging from 35%-85%.
The Danby DDR60A3GP, $299, is great for large basements and extracts up to 60 pints per day in spaces up to 3600 square feet. This model is unique because it has an internal condensate pump for pumped drainage instead of the normal gravity drainage. Controls are simple – just set your desired humidity level and the machine maintains that level by turning the compressor on and off.
One negative that some buyers have complained about is that the fan on this unit never shuts off even if the compressor is off.
The Frigidaire is our highest rated medium capacity machine which removes up to 50 pints of moisture per day and will cost you about $205. It is nearly identical in operation to the larger FAD704DWD, with the only real differences being the size, the amount of moisture it can remove, and a reduction in the energy if uses.
The Sunpentown SD-71E is the highest rated large capacity dehumidifier on Amazon with a rating of 4.8 out of 5 stars and sells for less than $250. It removes up to 70 pints of moisture per day and drains either continuously through a hose (not provided) or into bucket with a full indicator and auto-shutoff. Humidity settings range from 35-85% with two fan speeds.
The Keystone KSTAD70B is another high capacity dehumidifier that sells for under $200. It can remove up to 70 pints of moisture per day and has virtually all the same features as found on comparable machines. It is a solid unit, but we feel not quite as good as the Frigidaire. However, the price for this Keystone model is about as cheap as it gets for a quality high capacity unit.
The Fridrich D70BP is a 70 pint version which is available for around $269. This is another model with a built in drain pump which can pump condensation a distance of 15 foot including vertically if needed to get to a drain. It also has digital touch controls, a 24 hour timer, humidity range of 30-90%, 2 speed fan, and auto-defrost.
Our top rated small capacity dehumidifier is the Frigidaire FAD301NWD which sells for$188 and can remove up to 30 pints of moisture per day. It is also recommended by the leading consumer magazine. In addition to its smaller size, it differs from its larger brothers like the FAD504DWD in that it has mechanical controls not digital, only 1 fan speed, and no 24 hour timer.
The Danby DDR30A2GP is another quality small capacity model that is available for $179. This leading consumer magazine Best Buy is capable of removing 30 pints per day and can cover a space up to 2000 square feet. This Danby model has simple operation with a humidity control selection from 30% – 90% and 2 fan speeds, along with a portable design which allows you to easily move it within your home. It also has automatic defrost, 24 hour shut-off timer, and two drainage options including a drain hose or slide-out water tank.
If you need a mini dehumidifier to put in a safe or other small space, then we recommend the Eva-Dry Renewable E-333 which can be had for less than$19. It requires no power source during use and has a lifespan of 10 years. It contains silica gel crystals that change color as they absorb moisture, once it has reached its capacity you plug the unit in somewhere to release the moisture and after 8-10 hours it is ready to be used again.
Users should remember this model is not meant for a full-sized rooms. It will work for safes, closets, and perhaps small bathrooms.
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