

💨 Breathe easy, live dry — the ultimate air upgrade you didn’t know you needed!
The THECOSKY Dehumidifier and Air Purifier Combo is a compact, dual-function device designed to improve indoor air quality by extracting up to 800ml of moisture daily while filtering 99.97% of airborne particles with its HEPA H13 filter and negative ion technology. Featuring a 54oz water tank with auto shut-off and drain hose compatibility, plus whisper-quiet operation and a 24-hour timer, it’s ideal for spaces up to 420 sq ft including bedrooms, bathrooms, closets, and RVs.






| Best Sellers Rank | #1,324,177 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #1,324 in Dehumidifiers #6,575 in Home Air Purifier Parts & Accessories |
| Brand | THECOSKY |
| Capacity | 3.4 Pounds |
| Color | White |
| Customer Reviews | 4.1 out of 5 stars 174 Reviews |
| Floor Area | 420 Square Feet |
| Special Feature | Dehumidifier |
| Tank Volume | 1600 Milliliters |
A**R
Air conditioner/ dehumidifier
Works great! Small , space saving and does everything I needed it too. Will be purchasing another soon.
H**.
Great compact dehumidifier.
Great compact dehumidifier. I have 3 of them in my 2000 sqft home. I decided to go with three small units instead of a single large unit. Combined they pull about a liter of water a day from the home. I have a unit in each of my bathrooms and one in my office. We have noticed a major improvement in comfort levels in the home as well as breathability. My only concern is longevity of the units and availability of replacement filters. Overall the units are quiet and efficient. I run them non-stop at the lowest fan speed and have not noticed any decline in performance or excessive heat. The units do not appear to be overtaxed for the job. I would highly recommend these units.
S**N
Works well for a small office or bedroom.
I bought this product for two rooms of the house. The doors to those rooms are generally closed. I set up a temp/humidity gauge in each room to measure changes. I turned the machine on high and let it run overnight. The reservoir accumulated about 1/4 cup of water from a room that started with ~51% humidity and dropped it to 46%. I don't have a way to measure air purification...but after 3 months I blew out the filter with compressed air to see if any particles were caught. That sucker was pretty caked with dust like particles despite looking like a brand new filter so I suppose its working. As far as noise levels, on low its tolerable. Barely noticeable. On high it sounds like a fan running. It isn't going to be whisper quiet. I do wish the fan would move more air and it doesn't really put off a "breeze". Water accumulation in the hotter months (we live around Memphis, the hot, sweaty armpit of America) while running non stop on high resulted in about 1-1.25 cups of water (8-10 oz) every 2 days. In the colder, less humid months I've gotten about 1/2 cup in 3 days. The low setting results in a little more than half of those measurements. Overall, not a bad unit for the money and it seems to work as advertised for the most part. Not many dehumidifier/air purifier combos to compare it to tho.
C**N
Works and works well.
Works as expected. Was looking for something unobtrusive yet a more effective dehumidifier than a different one I have. I already had an air purifier/filter i was happy with, but some days, it just doesn't seem to be enough and its super noisey on high. See pics of hygrometers of various spots in my bedroom of roughly 400sq feet. Pictures left hand side to right hand respectively. First picture is roughly 4ft from ground near window. Second is 6ft away and then picture of the air purifier/dehumidifier of concern, amd then a plain desktop dehumidifier thats only supposedly 200 square ft. Its relatively quiet on low setting. It works pretty well overall, just give it a little time depending on size of room.
K**3
Don’t waste your money.
I regret this purchase. It’s supposed to stop when full, yet will continue to run and overflow forming huge puddles on the floor.
D**F
Great product dehumidifier with added air purification
We are using this device in a 322 sqf / 30 m2 room with poor air circulation with a bathroom that makes it even more humid (around 82%). The machine works improving the quality in a way that you can smell it. PROS - Compact size and low noise level. - Does not blow hot air like bigger units - Automatically turn off one full - Hose and drainage included for continuous use - Ion generator could be turn off or on* - Easy to change air filter - Sensor indicating full water compartment CONS - The control panel doesn’t seams to be made of good quality material (hard plastic) and some times was irresponsive to change speed. - Negative Ions. I only use this feature when the room is be empty and won’t be used for a while. I didn’t capture any ozone smell but we are not sure if the ion generating process does produce ozone. However is a plus that you can turn this feature off. The plants in the room do seams to like the feature and an orchid was blooming and lasted longer that usual in that room. We don’t know if it’s related to the negative ions but will keep an eye on that.
K**N
Keep Searching
Effective, but definitely not worth a hundred bucks… made with cheap feeling plastic that definitely came from china or wish or something along those lines. Although it does dehumidify, I can’t confirm/deny any ionization or purification functions. Keep looking, I hope you’ll find better quality elsewhere.
J**E
DOES NOT FILTER AIR!
Reason I purchased this unit was for its advertised dehumidification AND HEPA filtration combined features. I wanted to use it in my travel trailer and looked for a "all-in-one" package due to my limited space. I plugged it in and noticed the only fan it has is designed to pull air from the dehumidifier side and the "filter" side. However, since the filter obviously redistricts airflow, essentially all the air was flowing through the dehumidifier side. I placed a small tissue on the filter side and it would not stick on the low fan setting (no air flow across filter). On the high setting, the tissue just barely had any movement. I contacted the manufacturer and they confirmed that the unit is "mainly for dehumidifier". I'm giving the product 2-stars as it does pull moisture out of the air, but the lack of advertised filtration is very frustrating.
Trustpilot
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