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Dehumidifiers

Browse the wide selection of dehumidifiers at Staples® to find the right model to reduce humidity levels in the office or home. In addition to the clammy feel of the air in the room, high humidity can also cause musty odors, promote mold and mildew growth, and trigger allergic reactions and asthma attacks. To prevent these outcomes, a dehumidifier lowers humidity levels by extracting moisture from circulating air.

Consider the Right Dehumidifiers for a Location
When classified by mode of operation, there are two popular types of dehumidifiers: mechanical and desiccant models. Mechanical units have compressors and remove moisture by the same principles used by refrigerators. They draw in moist air and pass it over a cold coil to remove its water content. The dry air then moves over a warm coil before recirculating back into the room. A desiccant dehumidifier exposes humid air to a drying agent like silica gel and zeolite. A heating element regenerates the drying agent by heating it to remove absorbed water into a removable tank. Desiccant models are more efficient at low temperatures while mechanical units are better for rooms with high humidity.

Features to Look for When Comparing Dehumidifiers
Key features to consider include humidistat, controls, timer, air filter, automatic defrost, and automatic restart. A humidistat has a sensor that detects humidity level and can automatically start and stop the appliance which cuts down on energy use. A programmable timer can also reduce energy consumption by running the unit during off-peak hours and shutting it down when it's not needed. To improve air quality while removing moisture, choose a dehumidifying unit with a washable filter that is easy to clean. Automatic defrost gets rid of ice buildup inside the appliance during cold days. Automatic restart is an important feature for areas where power outages are common.

How Do You Pick the Right Sizes of Dehumidifiers for Your Rooms?
Manufacturers quote capacities for dehumidifying appliances in pints of moisture removed per day. A small model usually has a capacity of 25 to 40 pints, while mid-sized units have capacities between 40 and 50 pints. Large units can remove up to 70 pints of moisture per day. To pick a dehumidifier of the right size, consider the area you wish to cover and the level of humidity in the room. For example, a small model can lower humidity in a slightly or moderately damp 300 square-foot room. Get a medium-capacity unit if the room is very damp or wet. Generally, the size of dehumidifying unit required increases with the size and dampness of a room.

Are Dehumidifiers Noisy?
Some are quite noisy while most hum along at volumes that do not drown out conversations. Mechanical models are usually louder than desiccant ones because they move air with motor-driven compressors and fans. The typical dehumidifying unit has a noise level between 40 and 50 decibels.

What Is the Difference Between AHAM and Saturation Tests for Dehumidifiers?
AHAM or Association of Home Appliance Manufacturers agreed on 60 percent humidity and 80 degrees Fahrenheit as the testing conditions for dehumidifying appliances. The standard assumes these to be the average temperate and humidity level in homes and offices that need dehumidifying units. Saturation testing is more stringent and calls for calculating the capacity of a dehumidifier in space with 100 percent humidity regardless of its temperature.
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Frigidaire® Dehumidifier, White
Item : SS2113516
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  • White
  • Fan speed: 2
  • Certifications and approvals: UL/CUL, energy star
As low as $172.19
Multiple options available
Serene Life Auto Shut Off Dehumidifier (pdumid35)
Item : 2120869 / Model : 93595165M
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  • Auto shut off dehumidifier
  • Dimensions: 8.7"H x 5.3"W x 5.7"D
  • Water tank capacity: 20 oz.
$54.99
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Serene Life Empty Tank Indicator Dehumidifier (pdumid55)
Item : 2120934 / Model : 93595068M
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  • Empty tank indicator dehumidifier
  • Dimensions: 14.1"H x 7.2"W x 9.6"D
  • Water tank capacity: 68 oz.
$98.39
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Keystone KSTAD706PB Energy Star 70 Pt. Dehumidifier with Built-In Pump
Item : 2302733 / Model : KSTAD706PB
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  • Room dehumidifier with built-in pump for continuous upward drainage
  • Removes up to 70 pints of moisture from the air per day
  • Dehumidifies a room up to 4500 square feet
$229.99
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Keystone KSTAD70B 70-Pint Portable Dehumidifier, White
Item : 863799 / Model : KSTAD70B
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  • White dehumidifier removes up to 70 pints of water per day
  • Full bucket alert with automatic shut off
  • Removable, easy cleaning dust filter with a clean-filter alert
$200.19
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Hanover HAN506A Energy Star 50 Pt. Dehumidifier
Item : 2302735 / Model : HAN506A
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  • Room dehumidifier removes up to 50 pints of moisture from the air per day
  • Designed to dehumidify a room up to 3000 square feet
  • Electronic controls with LED Display and 24-hour timer
$179.99
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Greenair® 520 SpaVapor+ 150 ml Essential Oil Diffuser, Silver/White
Item : IM11K1315 / Model : 520
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  • Essential oil diffuser
  • Capacity: 150 ml
  • Control: On/Off switch
$39.99
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Keystone KSTAD707A Energy Star 70 Pt. Dehumidifier
Item : 2302732 / Model : KSTAD707A
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  • Room dehumidifier removes up to 70 pints of moisture from the air per day
  • Dehumidifies a room up to 4500 square feet
  • Sleek new body design blends into any decor
$219.99
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DeLonghi DD45PE 45-Pint Dehumidifier With Patented Pump, White
Item : 864055 / Model : DD45PE
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  • White
  • 45 moisture removal capacity (pints/day), 45 bucket capacity (pints)
  • Empty water 3 ways: continuously through pump and 16' hose, passively through 3' hose or manually empty tank
$264.39
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Greenair® 530 Mimi 200 ml Creature Comforts Essential Oil Diffuser, Cat/Black
Item : IM11K1314 / Model : 529
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  • Creature comforts essential oil diffuser
  • Capacity: 200 ml
  • Control: On/Off switch
$48.99
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Hisense DH-50KP1SDLE Energy Star 50 Pint 2-Speed Dehumidifier With Built-In Pump, White
Item : 1127386 / Model : DH-50KP1SDLE
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  • White
  • 50 pint-per-day dehumidifier with built in 1200 W pump
  • Electronic controls allow you easily to control the humidity level in your home 24-hour auto on/off timer, digital display shows relative humidity or time
$209.89
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Honeywell® CO48PM 100-Pint Evaporative Air Cooler, White/Grey
Item : 864060 / Model : CO48PM
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  • White/gray
  • 100 dehumidification (pints/hour)
  • Non-compressor system cools naturally, efficiently and inexpensively
$332.39
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Keystone KSTAD507A Energy Star 50 Pt. Dehumidifier
Item : 2302739 / Model : KSTAD507A
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  • Room dehumidifier removes up to 50 pints of moisture from the air per day
  • Dehumidifies a room up to 3000 square feet
  • Sleek new body design blends into any decor
$199.99
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Soleus Air 45 Pint ENERGY STAR Dehumidifier
Item : 199824 / Model : HCT-D45E-A
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  • MyHome Mode has preset settings for Basement, Living Space and Sleeping Space
  • Continuous Mode for continuous operation, unit will shut off when bucket is full
  • Continuous Drain option with standard garden hose connection
$259.99
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Royal Sovereign (RDH-130K) 30pt Dehumidifier, Energy Star-Qualified, White
Item : 2120054 / Model : RDH-130K
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  • Energy Star qualified models remove the same amount of moisture as similarly-sized conventional units, but use up to 15% less energy
  • Eco-friendly, non-ozone-depleting R410A refrigerant
  • Washable filter collects large dust particles and prevents bacteria build-up
$209.99
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Keystone KSTAD50B 50 Pint Energy Star 2-Speed Dehumidifier, White
Item : 1127266 / Model : KSTAD50B
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  • Adjustable settings include normal, turbo and auto-defrost modes
  • Unit dehumidifies 50-pints-per-hour and removes excess moisture from rooms up to 3000 square feet
  • Water tank includes transparent water level indicator and automatically shuts off when bucket is full
$183.89
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Hanover HAN706A Energy Star 70 Pt. Dehumidifier
Item : 2302734 / Model : HAN706A
Add to Favorites
  • Room dehumidifier removes up to 70 pints of moisture from the air per day
  • Designed to dehumidify a room up to 4500 square feet
  • Electronic controls with LED Display and 24-hour timer
$199.99
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Hisense DH-50KD1SDLE 50 Pint 2-Speed Dehumidifier With Built-In 1200 W Heater, White
Item : 1127387 / Model : DH-50KD1SDLE
Add to Favorites
  • White
  • 50 pint-per-day dehumidifier with built in 1200 W heater
  • Electronic controls allow you easily to control the humidity level in your home 24-hour auto on/off timer, digital display shows relative humidity or time
$209.89
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DeLonghi DD50PE 50-Pint Dehumidifier With Patented Pump, White
Item : 864054 / Model : DD50PE
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  • White
  • 50 moisture removal capacity (pints/day), 12.68 bucket capacity (pints)
  • Empty water 3 ways: continuously through pump and 16' hose, passively through 3' hose or manually empty tank
$288.29
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Keystone KSTAD957PA Energy Star 95 Pt. Dehumidifier with Built-In Pump
Item : 2302731 / Model : KSTAD957PA
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  • Room dehumidifier with built-in pump for continuous upward drainage
  • Removes up to 95 pints of moisture from the air per day
  • Dehumidifies a room up to 6000 square feet
$349.99
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Cool Living 10,000BTU Portable AC / Dehumidifier & Fan, Assorted Colors
Item : SS4151127
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  • Capacity: 10,000 BTU
  • Cooling Range: 63 degrees F to 86 degrees F
  • Timer: 24-hour programmable with Remote and Digital Dispay
As low as $399.99
Multiple options available
Whynter 30-Pint Portable Dehumidifier Energy Star (RPD-321EW)
Item : 2425830 / Model : RPD-321EW
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  • Portable Dehumidifier
  • 30 Pints
  • 7 Pints
$209.99
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DeLonghi DD70PE 70-Pint Dehumidifier With Patented Pump, White
Item : 864053 / Model : DD70PE
Add to Favorites
  • White
  • 70 moisture removal capacity (pints/day), 70 bucket capacity (pints)
  • Empty water 3 ways: continuously through pump and 16' hose, passively through 3' hose or manually empty tank
$349.99
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Greenair® 530 Lulu 200 ml Creature Comforts Essential Oil Diffuser, Duck/Yellow
Item : IM11K1311 / Model : 530
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  • Creature comforts essential oil diffuser
  • Capacity: 200 ml
  • Control: On/Off switch
$39.99
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