What is the number 1 dehumidifier?

In its tall configuration, the FFAP5033W1 reduced the humidity in our 135 square foot test space by 12% in one hour, from 59% to 47% (same as our best option), while battling a powerful humidifier that also worked high above, our approach to a challenging space, such as an unsealed cellar in the middle of a heavy rain. At low temperature, with the humidifier also at a low temperature (approaching a less demanding space, such as a spare room or a closed porch that is not directly accessed by a house's HVAC system), it reduced humidity even further, by 15% in an hour. In tests overnight in a 3,100 square foot space, it completely filled its 16.9 pint (2.1 gallon) tank in less than 12 hours in height. The GE APER50LZ is not far behind.

It has a slightly smaller tank than the Frigidaire FFAP5033W1, but it also has an active water pump. Its digital interface makes it easy to change settings. However, it is not as well ergonomically designed and it is more difficult to move or store it during the winter. What surpassed the Frigidaire FFAP5033W1 above the other devices we considered is its design.

It is stylish and has an attractive digital display, making it easy to see indicator lights and settings. In the switch from FFAP7033T1 to FFAP5033W1, Frigidaire increased tank capacity from 13.1 pints to 16.9 pints. If you live in a very humid space and run the machine continuously, this is a significant improvement, because the volume of water will fill up quite quickly and the device will turn off until you empty the bucket. Our runner-up GE APER50LZ has a 15-pint capacity.

That said, the GE APER50LZ is an equal alternative to the Frigidaire FFAP7033T1 if you can find it at a better price. This dehumidifier is quite similar to our main selection, the Frigidaire FFAP5033W1, but it swaps Wi-Fi for an electric water pump. The unit comes with a drain hose to allow the tank to drain passively, or you can unload the 2 gallon bucket by hand. Due to this recent change, many models are being discontinued and replaced with updated designs to accommodate the new procedure.

For example, the GE APER70LW has been replaced by the almost identical GE APER50LZ. We'll update these rankings as we learn more. For cost and performance, this BLACK+DECKER Energy Star certified model is excellent value for money. It is relatively compact with swivel wheels for easy maneuverability and works quieter than other units of its size.

While you can remove up to 30 pints of water a day in rooms up to 1,000 square feet, we don't recommend using a dehumidifier this size in a very large room. Our tester used this unit in a room of approximately 240 square feet and emptied the tank once a day during a period of heavy rain. In a larger space, you may need to empty it more often. Alternatively, if you have the right configuration, an included hose allows continuous draining into a sink, floor drain or directly to the outside.

In general, our editor liked the sleek design, the quiet buzz and the easy process of removing the tank. Our editor says I could definitely say that the space was drier, which is better for my allergies.

Elias Chin
Elias Chin

Hipster-friendly beer nerd. Food guru. Extreme travel lover. Lifelong twitter enthusiast. Award-winning tv enthusiast. Award-winning tv aficionado.

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