StoreDeal.ai store
Shop
  • Deals
  • Deal checker
  • Black Friday
  • Buying guides
  • Brands
  • Stores
Travel
  • Flight deals
  • Hotel deals
Company
  • Research
  • Press
  • Use in AI assistants
  • Contact
  • deal.ai apps
Black Friday 2026
  • Walmart
  • Best Buy
  • Target
  • TVs
  • Laptops
  • Headphones
  • Apple
  • Gaming
  • Vacuums
  • Kitchen
  • Toys
  • Smartwatches
  • Tablets
  • Furniture
  • Mattresses
© Deal.ai Inc.·2222 Ponce de Leon Blvd, Miami, FL 33134·support@deal.ai
TermsPrivacy
Deal.ai › Costway › Storm & Flood Prep
Costway
Costway 90-Pint Dehumidifier with Continuous & Auto Mode Large Water Tank 6,000 Sq. ft Coverage Area

Costway 90-Pint Dehumidifier with Continuous & Auto Mode Large Water Tank 6,000 Sq. ft Coverage Area

4(10 ratings)

Best price now

$186.89at WalmartChecked Nov 9

Prices are checked against each store and labelled with when.

Visit Walmart
Costway discount code →

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Enter to send, Shift+Enter for a new line

Price facts

  • Last seen at $186.89 at Walmart on Nov 9.

Our take on the Costway 90-Pint Dehumidifier with Continuous & Auto Mode Large Water Tank 6,000 Sq. ft Coverage Area

The Costway 90-Pint Dehumidifier is a large-capacity console unit built for damp basements, garages and whole-floor spaces up to about 6,000 sq ft. It removes up to 90 pints a day, holds a 2.2-gallon tank and offers three drainage routes, including a condensate pump, so you can run it unattended. Humidity is adjustable from 30% to 80% with auto and continuous modes, a 24-hour timer and a touch panel with LED display. A two-stage washable filter, auto defrost, overflow protection and child lock round it out. It competes with 70- to 90-pint basement dehumidifiers on capacity and drainage flexibility; owners of this class of unit tend to praise drying power and complain about fan noise and compressor warmth.

Best forLarge, damp basements and crawl spacesGarages and workshops that stay humidStorm and flood cleanup and drying outHands-off setups using the pump drain
Pros
  • High 90-pint daily removal for big spaces
  • Three drainage options, two hoses included
  • Condensate pump lets it drain uphill
  • Adjustable 30%-80% humidity with auto and continuous modes
  • Washable two-stage filter and auto defrost
  • Four casters for moving between rooms
Cons
  • Compressor units of this size run loud
  • Heavy and bulky despite the wheels
  • Pump and hose setup takes some planning
  • Tank still needs emptying in manual mode

Costway 90-Pint Dehumidifier with Continuous & Auto Mode Large Water Tank 6,000 Sq. ft Coverage Area prices at every store

  • WalmartNew

    In stockSold by CostwayReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $186.89Free shippingChecked Nov 9
    Visit Walmart

What reviewers say

  • 4 / 510 ratings

With only a handful of ratings averaging 4 out of 5, feedback is thin but leans positive on drying power and drainage flexibility. Complaints center on noise and the bulk of the unit.

What people mention
  • Drying powerPraisedOwners say it noticeably lowers humidity in large, damp rooms.
  • NoiseCriticisedReviewers mention a loud fan and compressor that you hear from nearby rooms.
  • DrainagePraisedThe pump and gravity drain options are called convenient for continuous use.
  • Size and weightMixedThe casters help, but owners find it bulky to lift and place.
  • SetupMixedHose and pump hookup takes some effort before it runs hands-off.

About the Costway 90-Pint Dehumidifier with Continuous & Auto Mode Large Water Tank 6,000 Sq. ft Coverage Area

This dehumidifier removes up to 90 pints of excess water per day and covers spaces up to 6,000 sq. It works in homes, bedrooms, basements, bathrooms and garages. Humidity can be set from 30% to 80%, and continuous mode and auto mode give control over indoor humidity.

A 2.2-gallon water tank means less frequent emptying. It offers three drainage options: manual, gravity and pump drainage. Two drain hoses are included. A 2-stage filtration system improves indoor air quality, and the filters are detachable and washable.

A touch panel with an LED display sets the mode, a 0-24 hour timer, high or low fan speed, humidity level and power. Auto defrost and an internal drying function help prolong performance. Overflow protection and a child lock add safety. The housing is ABS, and 4 universal wheels make it easy to move.

Capacity
90 pints per day
Coverage area
6,000 sq. ft
Humidity range
30% - 80%
Modes
Continuous, auto
Water tank
2.2 gallons
Drainage
Manual, gravity and pump drainage
Filtration
2-stage, detachable and washable filters
Controls
Touch panel with LED display; 0-24 h timer; high/low fan speed
Safety
Overflow protection, child lock
Material
ABS
Color
White
Dimensions
13" x 12" x 21.5" (L x W x H)

Specifications

size
90 pintSource
color
WhiteSource

Questions and answers

How much water does it remove per day?
Up to 90 pints at the standard rating conditions. Real output drops in cooler, drier air, as with any compressor dehumidifier.
Can it drain continuously without emptying the tank?
Yes. Use gravity drainage with the included hose, or the built-in pump to push water uphill to a sink or window.
What size space does it cover?
Costway rates it for areas up to about 6,000 sq ft. In very damp or open spaces, expect it to work harder.
Does it work in cold basements?
It has auto defrost, so it keeps running in cool conditions, but compressor units lose efficiency as temperatures fall toward freezing.
What is in the box?
The dehumidifier, two drain hoses and the washable filter. Check the listing for the exact hose lengths.
How often do I clean the filter?
The two-stage filter is detachable and washable. Rinse it every couple of weeks in heavy use to keep airflow up.
Where is the Costway 90-Pint Dehumidifier with Continuous & Auto Mode Large Water Tank 6,000 Sq. ft Coverage Area cheapest?
At Walmart, for $186.89, as of our latest check.
What do buyers say about the Costway 90-Pint Dehumidifier with Continuous & Auto Mode Large Water Tank 6,000 Sq. ft Coverage Area?
Rated 4 out of 5 from 10 ratings.

More from Costway

  • C
    Costway Dehumidifier with 24H Timer and LED Display
    Costway Dehumidifier with 24H Timer and LED Display
  • C
    Costway 67 Inch Computer with Monitor Stand File Drawer
    Costway 67 Inch Computer with Monitor Stand File Drawer
  • C
    Costway 31.5 Inch Modern Home Office Desk with 2 Compartments
    Costway 31.5 Inch Modern Home Office Desk with 2 Compartments
  • C
    Costway 33 Inch Dog Kennel with Chew Resistant Metal Frame and Soft Mat
    Costway 33 Inch Dog Kennel with Chew Resistant Metal Frame and Soft Mat
  • C
    Costway 38” Heavy-Duty Dog Kennel on Wheels
    Costway 38” Heavy-Duty Dog Kennel on Wheels
Weight
34 lbs
Voltage
115V, 60Hz
Power
290 W
Input current
3.8 A
Noise level
≤41 dB
Drain hose length
2 ft and 6.5 ft
Power cord
6 ft
Mobility
4 universal wheels
In the box
1 x dehumidifier, 2 x drain hose, 1 x instruction
C
Costway 38” Heavy-Duty Rolling Dog Kennel on Wheels w/ Chew-Resistant Indoor Pet Furniture Wood Dog House
Costway 38” Heavy-Duty Rolling Dog Kennel on Wheels w/ Chew-Resistant Indoor Pet Furniture Wood Dog House
  • C
    Costway 40 Inch Dog Crate Furniture Dog Kennel with Dual Lockable Double
    Costway 40 Inch Dog Crate Furniture Dog Kennel with Dual Lockable Double
  • C
    Costway 33” Dog Kennel with Chew-Resistant Metal Frame
    Costway 33” Dog Kennel with Chew-Resistant Metal Frame
  • All Costway deals and products →

    More dehumidifiers

    • K
      Keystone 22-pint 1500 sq ft Dehumidifier
      Keystone 22-pint 1500 sq ft Dehumidifier
    • A
      ALORAIR Basement/Crawl Space Dehumidifiers Removal 120 PPD (Saturation), 55 Pint Commercial Dehumidifier | Sentinel HD55S (White)
      ALORAIR Basement/Crawl Space Dehumidifiers Removal 120 PPD (Saturation), 55 Pint Commercial Dehumidifier | Sentinel HD55S (White)
    • A
      AlorAir 198 PPD Crawl Space & Basement Dehumidifier | Sentinel HD90 | Size for 2,600 Sq. Ft.
      AlorAir 198 PPD Crawl Space & Basement Dehumidifier | Sentinel HD90 | Size for 2,600 Sq. Ft.
    • A
      AIRFIRE 12 Pint Dehumidifiers (DOE), 30 Pints 2500 Sq.Ft Dehumidifier with Drain Hose, 0.59 Gal Water Tank, Overflow Protection, Dehumidifiers for Home Basement Bedroom Bathroom Laundry Room
      AIRFIRE 12 Pint Dehumidifiers (DOE), 30 Pints 2500 Sq.Ft Dehumidifier with Drain Hose, 0.59 Gal Water Tank, Overflow Protection, Dehumidifiers for Home Basement Bedroom Bathroom Laundry Room
    • V
      VEAGASO VG500 Max 58-Pints Dehumidifier for Large Basements & Home, Covers up to 4,000 Sq. Ft, Includes Extended 6.56-FT Drain Hose
      VEAGASO VG500 Max 58-Pints Dehumidifier for Large Basements & Home, Covers up to 4,000 Sq. Ft, Includes Extended 6.56-FT Drain Hose
    • A
      AlorAir Storm LGR 1250 Blue Industrial Commercial Dehumidifier with Pump 115V
      AlorAir Storm LGR 1250 Blue Industrial Commercial Dehumidifier with Pump 115V
    • A
      AlorAir Sentinel HDi120 Whole House Dehumidifier, 120 Pints at AHAM, up to 3,300 sq. ft.
      AlorAir Sentinel HDi120 Whole House Dehumidifier, 120 Pints at AHAM, up to 3,300 sq. ft.
    • P
      Perfect Aire 4500 SQ FT Dehumidifier
      Perfect Aire 4500 SQ FT Dehumidifier