When identifying which 40 pint home dehumidifier to buy, you have to consider which unit really fits your requirements the best. What may be the best for one person might not be the best the next. Don't always go with the least expensive unit just because it is cheap. A high quality dehumidifier will last for years and should be considered an investment in both your home and your health. This is especially true if you live in a damp climate. The last thing you want in your house is a mold problem as they can be very expensive to deal with and pose serious health risks.

Below you'll find reviews of several high quality dehumidifiers from various manufacturers such as Soleus, Haier, NewAir, Sunpentown and DeLonghi. We rated the Soleus Air CFM 40 at the top as we feel it will provide the best overall value for most households. However, don't overlook the others as one of those units may be better suited to your own needs.

Rank Name Price Rating Info
Soleus Air CFM 40 40 Pint Dehumidifier with Humidistat$213.99
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Sunpentown SPT SD-46T 46 Pint Dehumidifier$188.40
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NewAir AD-400 40 Pint Portable Dehumidifier$189.95
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Haier HDN455 45-Pint Capacity Mechanical Control Dehumidifier$169.99
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DeLonghi DE400 40 Pint Dehumidifier$256.92
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GE Gray 40 Pint Portable Dehumidifier$167.00
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Soleus Air CFM 40 40 Pint Dehumidifier with Humidistat

Price: $213.99

Ratings
Overall
Value
Ease of Use
Noise
Maintenance

I purchased this dehumidifier for mainly basement use, but wanted one quiet enough for use upstairs if needed. And, boy is this thing quiet. My refrigerator is louder. I also own a Fedders 45 pint unit and a Whirlpool 65 pint noise maker. The Fedders (Maytag) was the quiet champ until I purchased the Soleus Air CFM-40E. The Whirlpool removes an amazing amount of water, but can be heard UPSTAIRS when running in the basement. So it is used only when needed. The Soleus Air is so quiet I have to go down the basement stairs and visually check to see if the unit is on. Can’t say that for many dehumidifiers. My only complaint is that the fan is always on, even when it has reached the set humidity level. This prevents the short cycling the others do, on for 2 minutes off for 2 minutes or so, but I think prevents an Energy Star certification. At 2.9 amps it draws significantly less than the Fedders 5.6 amps and the Whirlpool’s 7.9 amps.

The Soleus Air works great upstairs in the spring, when it is cool but damp. The weather this week is in the 60′s but rainy, so the house is humid. Running the central air is not necessary since the house is not hot. So I use a dehumidifier, which makes the house seem less clammy. I would recommend the Soleus Air CFM-40E to anyone who is looking for a small, really quiet, relatively light, medium capacity (40 pint) dehumidifier that simply does what is supposed to do (remove water from air) with out excess noise.

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Sunpentown SPT SD-46T 46 Pint Dehumidifier

Price: $188.40

Ratings
Overall
Value
Ease of Use
Noise
Maintenance

Manufacturer’s Product Description: The Sunpentown SPT SD-46T 46 Pint Dehumidifier is meant to remove excess moisture from your home silently and efficiently. A prerequisite for those suffering from dust mite, allergies or for people that want to keep their indoor humidity level between fifty to seventy percent. Air that is too damp could cause itchy skin and nasal passages, condensation on windows, water damage to materials, mold expansion and rotting of wood materials in your house. SPT dehumidifiers remove moisture from the musty air so you can enjoy year-long comfort in your house or office. Features a convenient water indicator light that changes from blue to red when tank is full and UV light to clean up the room by getting rid of germs and bacteria.

SPT SD-46T Review: I actually like the dimensions of this unit and it starts right up when you plug it in. Simple to operate and move to any location in the house. It is quiet for a dehumidifier. My only real complaint is the plastic shield to direct air flow is subject to breakage. We attempted to redirect the flow and it fell off. When we attempted to put it back on, we ended up breaking the pin. Luckily the shield is more for looks than anything else and the unit works very well without it. It has got a nice additional feature of an ionizer to purify the air. We’re uncertain if this actually works but we’ve all been breathing much better since we have run this SPT dehumidifier in our home.

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NewAir AD-400 40 Pint Portable Dehumidifier

Price: $189.95

Ratings
Overall
Value
Ease of Use
Noise
Maintenance

Manufacturer’s Product Description: Exclusive only to Air & Water, the recently designed NewAir AD-400 portable dehumidifier mixes portability and potency into one really compact unit. Weighing only twenty-five pounds, it’s designed for industrial quality dehumidifying and removes up to forty pints of moisture every day – way more than smaller thermoelectric units! The NewAir AD-400 is a large-capacity, compressor-driven dehumidifier that is good for bigger areas like damp basements. But what sets the AD-400 apart is the inclusion of an in-built adjustable humidistat that enables you to set the unit to dry the air to the level you select ( from forty percent to eighty percent; in increments of five percent ). The unit then instantly sets the humidity level to your specs. The automated defrost function stops freezing or fast cycling in lower temperatures. Operation is also very quiet so be assured that although the AD-400 is strong, it will not annoy you while it operates.

New Air AD-400 Review: My husband and I were in the market for a room dehumidifier and were happy to discover that they do not all have massive dials and clunky designs. This unit has a graceful ( though basic ) design that is both simple to use and super effective. We brought this to our place in Hawaii and were dazzled that it was ready to pull close to forty pints of moisture from the air in twenty-four hours. The water bucket was simply removable and an indicator tells you when it’s time to pour out the bucket ( and turns off once it’s full ). This dehumidifier includes automatic humidistat control, which cycled the unit on and off depending on whether the room had reached the specified humidity level. We are really happy with this unit given the cost.

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Haier HDN455 45-Pint Capacity Mechanical Control Dehumidifier

Price: $169.99

Ratings
Overall
Value
Ease of Use
Noise
Maintenance

Manufacturer’s Product Description: Select a Haier dehumidifier for the best home comfort available. The HDN455 operates in temperatures down to 41 degrees, so itll work best even in a cold basement. Easy-roll casters make it easy to move this unit to any room in your house. The front water bucket provides straightforward access for upkeep that is quick and easy. You will enjoy the additional features including an automated humidistat control, automated shut-off, a bucket full indicator light, and more. This unit is ENERGY STAR qualified, saving you money on your energy bills and doing its part to protect the environment at the same time. Haier brings comfort to your home with this top quality HDN455 dehumidifier!

HDN455 Review: I first became aware that I required a humidifier when the condensation from my basement walls left mildewy puddles on the floor. My basement is about nine hundred sq. feet. I did a large amount of research online, and though I could not find a review for the Haier, it was regarded as having a lot of the features I was attempting to find ( 45-pint, Energy Star, Auto-Shut-off-when-full, price, etc ). I left the settings on full at first and in a single day there wasn’t any obvious water. After a couple more days there wasn’t any clear moistness. By the 3rd or 4th day, I turned the settings to standard, and the unit commenced clicking off when it reached its target humidity level. As it’s in my basement, I am not truly conscious of the noise, but it is quite a lot quieter than the air-con. If you compare it with your average box fan with 3 settings, I say it’s significantly quieter than the highest setting and a little bit louder than the medium setting. I have run it steadily since May and haven’t noticed a big difference in my electricity bills.

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