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5 Best Dehumidifier Costcos of 2025

Last Updated - 2025/07/18

1
Best Choice
15% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Waykar
15% Off

Waykar 80 Pints Energy Star Dehumidifier for Spaces up to 5000 Sq. Ft at Home, in Basements and Large Rooms with Drain Hose and 1.14 Gallons Water Tank

Picked by 502 people in the last week

Waykar

CA$329.99

CA$389.99
(15% Off)

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Main highlights
- Waykar 5,000 Sq. Ft. Dehumidifier: The Waykar Dehumidifier for basements can remove up to 80 pints (under 95°F, 90%RH condition) of moisture per day. The area is up to 5,000 Sq. Ft. can be adjusted to a humidity level ranging from 30% to 80%. Perfect for use in homes, basements, offices, bathrooms, bedrooms, stock rooms, living rooms, laundry rooms, cellars and large spaces, etc. Also great for building supplies.
- Unique Design: This dehumidifier is equipped with four universal wheels, recessed handles, visual water tank, power cord winding posts and other innovative and unique designs to offer you a tech-savvy experience. In addition, we invited design experts and technical experts for the design and performance of the product, and after many times of repeated modifications and product upgrades, we finally launched this model, and we hope it can become a part of your family.
- Support: All Waykar Dehumidifiers come with a 30-day money-back guarantee if you are dissatisfied with the product, a 1-year warranty, a 2-year extended warranty, and lifetime expert technical support. Please do not hesitate to contact us if you have any questions, and we will respond within 24 hours to assist you with any issues. The Waykar customer support team is always just an email away.
- Energy Star Most Efficient Certified: It can reduce your energy consumption while maintaining the ideal room humidity level. The dehumidifier for home rapidly and efficiently eliminates moisture without raising your energy costs, and it will help you save a minimum of 30% on your electricity bill.
- Convenient and Secure Features: Auto Restart and Power Failure Memory–It will automatically restart and continue to run according to the previous settings when the power supply is interrupted. Auto Defrost–To prevent the collected water from being frozen and doing harm to the machine. Overload Protection–When the current or voltage exceeds the max capacity of the dehumidifier, it can turn off in time to ensure that the unit will not be damaged, but also to prevent the outbreak of fire.
- Automatic & Manual Drainage: Simply empty the water tank when it is full or connect a 3.3 ft hose (included) to the drainage outlet for continuous draining. The water tank, which has a capacity of 1.14 Gal (4.3 L), is equipped with a carrying handle for easy removal and emptying. In order to provide a more flexible drainage method, you can also have your own garden hose for drainage in addition to the standard hose for continuous drainage (Diameter 10mm).
CA$329.99
CA$389.99 (15% Off)
2

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Folanzy

Smart Dehumidifier,Folanzy 80 Pints Energy Star Dehumidifier for Basement Bedroom Home Garage and Large Room Spaces up to 5,200 Sq. Ft with Drain Hose and Water Tank

Folanzy

CA$329.49

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Main highlights
- 7.CUSTOMER SUPPORT: With over 10 years of experience manufacturing high-quality dehumidifiers,it is covered with 30 Days Money Back if you are not satisfied with the product, 1-year warranty ,2nd year extended warranty(See user manual for detail)and lifetime expert tech support. You can buy our product without hesitation,any questions, please contact us and we will respond within 24 hours to assist you with any issues.
- 6.HUMANIZED FEATURES: Smart APP,optional 4 modes(Sleep Mode,Living Mode,Basement Mode and Continuous Mode),adjustable fan speeds, 24-hour timer,built-in 360° wheels and handle,auto restart and defrost,low-noise, power outage restart,child lock and removable washable filter.
- 5.LARGE CAPACITY: With a sizable water tank,the 1.14 gallon bucket is full,it will auto stop,don't need to worry about leaking.
- 4.PORTABLE DRAINAGE: This professional dehumidifier comes with 3.3ft drain hose for continuous draining. If you think the hose is not long enough, - It can also connect to the garden hose(Buy Separately).
- 3.SMART CONTROL: With the Smart App, set schedules according to your needs, and easily customize humidity(such as turn on/off, set ideal humidify, 24h timer,adjust fan speed and modes.) for your family anytime and anywhere.
- 2.SAVING ON BILLS: Folanzy smart dehumidifier for home received received the ENERGY STAR Certified 2025, quickly and effectively removes moisture with less energy than conventional dehumidifiers without racking up the energy bill, saving money.
- 1.POWERFUL DEHUMIDIFICATION:Our dehumidifier can remove up to 80 pints of moisture per day at saturation (under 89°F,95%RH condition) and reduce humidity from 80% to 30%. This dehumidifier is ideal for spaces up to 5200 sq. ft,such as basements, garage,home, office,cellars,crawlspace, bathroom, bedroom,laundry room,stockroom and any large room.
CA$329.49
3
Best Value
21% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Midea
21% Off

Midea 4,500 Sq. Ft. Energy Star Certified WiFi Enabled Dehumidifier With Reusable Air Filter 50 Pint 2019 DOE (Previously 70 Pint), Ideal For Basements, Large & Medium Sized Rooms, Bathrooms (White)

Midea

CA$259.98

CA$329.99
(21% Off)

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Main highlights
- SMART CONTROL -This dehumidifier is Wi-Fi enabled and can be controlled from anywhere through the cloud using MSmartHome app on iOS or Android. You can also use voice commands throughout your house, office, or apartment using Alexa or Google Assistant.
- QUIET & ENERGY STAR CERTIFIED – With a low dBA output, this dehumidifier is quieter than a household refrigerator. Meanwhile, with Energy Star certification, the unit features a continuous dehumidification mode designed to keep your home at the proper humidity level 24/7 while saving you money!
- MODERN DESIGN – This dehumidifier has a clean, sleek look in order to fit the style of any home, apartment, or business. It even comes with 360° rotatable wheels, digital control panel, built-in timer to program a schedule, and handles to easily move the dehumidifier anywhere you please with ease.
- INNOVATIVE FEATURES & WARRANTY - Features include auto restart function limiting disruption due to power outages, "Turbo" mode to increase the fan speed for maximum moisture removal, auto defrost function to prevent collected water from being frozen, and an option to run a continuous 24-hour cycle until the tank is full. Warranty: 1 Year Parts & Labor Warranty
- EASY MAINTENANCE – Easily empty the included tank (0.8 gallons) when it’s full, or simply connect a standard hose (not included) to the built in socket for gravity fed continuous draining. When using the manual drainage the dehumidifier will shut off automatically when the bucket is full and switch on again after the bucket emptied. Meanwhile, a washable filter preserves air quality without expensive replacement parts.
- 4,500 SQ FT DEHUMIDIFIER – This Midea dehumidifier is able to remove 50 pints (70 pint 2012 DOE standard) of moisture a day and adjust humidity from 35% to 85%. Perfect for use in basement, bathroom, bedroom, office, kitchen, cellar, or crawlspace. Maintaining a healthy 45%-55% humidity range has never been easier!
CA$259.98
CA$329.99 (21% Off)
4

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

KNKA

Dehumidifier for Basement with Drain Hose Max 34 Pints, KNKA 2500 Sq.Ft Dehumidifiers for Home, Large Room, Bathroom, Three Operation Modes, Intelligent Humidity Control, Dry Clothes, 24HR Timer

KNKA

CA$249.99

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Main highlights
- Worry-Free Convenience: The KNKA dehumidifier comes with overflow protection and a full-tank alert, so you can set it and forget it—no babysitting needed. Equipped with a child safety lock, it prevents accidental tampering. The display auto-dims after 20 seconds to reduce eye strain and enhance comfort. A must-have for every home.
- Reliable Warranty Coverage: KNKA dehumidifiers come with a 30-day money-back guarantee, a 1-year warranty, and a 2-year extended warranty. Our customer support team is available via email and guarantees a response within 24 hours for any inquiries or assistance.
- Portable & Easy to Maintain: With 360° wheels and a soft leather handle, moving is effortless. The removable tank and reusable filter simplify cleaning. Our soft leather handle ensures a comfortable, secure grip—ideal even for seniors. Its sleek design complements any home style.
- Friendly Reminder: For best results, let the dehumidifier sit for 24 hours after unboxing. This allows internal components to stabilize and prevents unusual noises during operation. The dehumidifier will not operate if the room's humidity is already lower than your set target level. This is normal operation. If you have any questions about using your dehumidifier, please contact our customer support team for assistance.
- Energy-Saving & Budget-Friendly: The KNKA dehumidifier runs on just 260W, consuming significantly less energy than comparable models. Its auto-defrost system guarantees reliable moisture removal year-round, even in chilly fall and winter months, adapting effortlessly to any climate. Enjoy lasting comfort with continuous, efficient dehumidification.
- 3 Smart Modes for Custom Comfort: Our smart dehumidifiers for home have DEHU, DRY, and CONT modes. Choose from: DEHU (adjusts humidity from 30%–80% with fan control), DRY (quick clothes drying), or CONT (nonstop operation for extremely damp areas). Tip: For best results, keep windows and doors closed while the dehumidifier is in use.
- 2500 Sq.Ft High-Efficiency Dehumidifier: The KNKA basement dehumidifier features a quiet, high-performance compressor that removes up to 34 pints of moisture per day (at 95°F, 90% RH). Ideal for basements, offices, bathrooms, bedrooms, kitchens, stockrooms, living rooms, laundry rooms, garages, crawlspaces, or RVs. It helps maintain optimal humidity between 50%–70% for healthier, more comfortable living.
- 2 Drainage Options – Manual or Continuous: This room dehumidifier with drain hose offers two drainage options: When the 3L water tank is full, the unit automatically shuts off, and a convenient indicator light lets you know it's time to empty the tank. For hassle-free operation, simply connect the included 3.28 ft drain hose for continuous drainage—no need to manually empty the tank. (Note: The 34-pint capacity refers to moisture removal per day, not the water tank size.)
CA$249.99
5

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

ASAHWo

Dehumidifier for Home Basement Max 34 Pint 2500 Sq.Ft Small Quiet Portable Dehumidifiers for Bathroom Large Room, Bedroom Auto Defrost,Intelligent Humidity Control,24h Timer,Child Lock (34 PInt)

ASAHWo

CA$299.99

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Main highlights
- 【Versatile Working Modes】Our bathroom dehumidifier 34 pint offers three modes: Continuous Dehumidify / Laundry Drying / Customized Dehumidify Modes, making it versatile for various needs. Laundry Drying Mode quickly dries clothes and eliminates odors in rainy day, while Customized Dehumidify Mode with sound levels of less than 36 dB allows you to work, read or sleep undisturbed. The dehumidifiers for home built-in auto defrost function prevents the collected water from being frozen and doing harm to the machine.
- 【Think carefully before placing order】This dehumidifiers for home Basement Made wtih high performance compressor which gain 60% increase in efficiency than regular dehumidifier, at least 6-Year lifespan under normal usage situation.secondly,this basement dehumidifier euquiped with 8mm diameter pure copper pipes but not aluminum tubes like other regular dehumidfiers which will lead to the leakage of compressor then extend the lifespan of dehumidifier.
- 【Laundry Dry Mode】Specially designed laundry dry mode is perfect on wet weathers or seasons, dehumidifiers for drying clothes removes the excessive moisture of your clothes and keeps them dry & clean. Dehumidifiers for home with 2 different fan speeds will meet the various dehumidification needs of anyone by switching freely.
- 【Intelligent Humidity Sensor with Indicator Lights】Our portable home dehumidifier features a large digital round display with three indicator lights Orange (humidity＜50%), Green (50%~70%), and Red (humidity＞70%) 】, that provide clear real-time humidity readings without needing to walk close. The smart panel also allows you to set a target humidity between 30% and 80%, supporting a customized dehumidification.
- 【Intelligent Humidity Control】The 34 pint dehumidifiers for home basement is able to effectively collect of moisture per day and adjust humidity from 30% to 80%. Once dehumidifier target humidity is reached, The dehumidifier for bathroom will automatically stops working; And when the environmental humidity exceeds the set humidity, the dehumidifiers for home will automatically restart.Dehumidifiers for basements perfect for use in home, bedroom, bathrooms, laundry room, basements, office, attics, garages, or any large rooms.
- 【Easy Operation 】The dehumidifier for bedroom is compact size and portable for easy mobility, and offers easy-to-use controls and intuitive features. The timer allows you to schedule the dehumidifiers for home to turn on or off over a 24-hour window. The intake grille filter net of bathroom dehumidifier is removable and easy to clean. It comes with 360° rotatable wheels that makes it easy to move the powerful home dehumidifier anywhere you want.
- 【Auto Shut-off and Continuous Drainage】Dehumidifiers for home equipped with a large detachable 2.5 L water tank. When the water tank is full, this smart electric dehumidifier will automatically shut down, and the full water indicator will light up to prevent water overflow. No time to empty it? Dehumidifier with drain hose outlet for continuous draining which comes with a 3.94ft long drain hose that you don't need to empty the water tank anytime, enhance dehumidifying flexibility and convenience in bedrooms, basements, dorm, or offices.
CA$299.99

5 Best Dehumidifier Costcos of 2025

Waykar 80 Pints Energy Star Dehumidifier for Spaces up to 5000 Sq. Ft at Home, in Basements and Large Rooms with Drain Hose and 1.14 Gallons Water Tank

Smart Dehumidifier,Folanzy 80 Pints Energy Star Dehumidifier for Basement Bedroom Home Garage and Large Room Spaces up to 5,200 Sq. Ft with Drain Hose and Water Tank

Midea 4,500 Sq. Ft. Energy Star Certified WiFi Enabled Dehumidifier With Reusable Air Filter 50 Pint 2019 DOE (Previously 70 Pint), Ideal For Basements, Large & Medium Sized Rooms, Bathrooms (White)

Dehumidifier for Basement with Drain Hose Max 34 Pints, KNKA 2500 Sq.Ft Dehumidifiers for Home, Large Room, Bathroom, Three Operation Modes, Intelligent Humidity Control, Dry Clothes, 24HR Timer

Dehumidifier for Home Basement Max 34 Pint 2500 Sq.Ft Small Quiet Portable Dehumidifiers for Bathroom Large Room, Bedroom Auto Defrost,Intelligent Humidity Control,24h Timer,Child Lock (34 PInt)

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