Mega Dehumidifier

Dehumidifiers for large spaces with excess moisture.

Household Multifunction Quiet Dehumidifier - Silent Moisture-Absorbing Air Purifier Household Appliance for Home Use, Household Appliances

Household Multifunction Quiet Dehumidifier - Silent Moisture-Absorbing Air Purifier Household Appliance for Home Use, Household Appliances

5.019 sold
Limited time deal
-50%$49.99$99.98
Quiet Energy-Efficient Universal Home Dehumidifier for Indoor Use - 75oz Capacity, Up to 800 Sq.Ft Rooms, Auto Shut-Off, Color-Changing LED, Modern Touch, Safety Feature, Ideal for Bedrooms, Bathrooms, Basements

Quiet Energy-Efficient Universal Home Dehumidifier for Indoor Use - 75oz Capacity, Up to 800 Sq.Ft Rooms, Auto Shut-Off, Color-Changing LED, Modern Touch, Safety Feature, Ideal for Bedrooms, Bathrooms, Basements

5.04 sold
Limited time deal
-50%$47.89$95.78
0.75L Capacity Dehumidifier for Bathroom, Dehumidifiers for Home, Silent and Energy-Saving, 7-Color Ambient Light, DH-CS03, 23W, 9V DC

0.75L Capacity Dehumidifier for Bathroom, Dehumidifiers for Home, Silent and Energy-Saving, 7-Color Ambient Light, DH-CS03, 23W, 9V DC

4.51.3K sold
Flash sale00:00:00
$75.05
Dehumidifier for Large Rooms or Basements, (for 4500 sq. ft.) Dehumidifier with Water Tank, Automatic and Manual Drainage, Intelligent Humidity Control, Automatic Defrost, Dry Clothes Function
Free shipping

Dehumidifier for Large Rooms or Basements, (for 4500 sq. ft.) Dehumidifier with Water Tank, Automatic and Manual Drainage, Intelligent Humidity Control, Automatic Defrost, Dry Clothes Function

9 sold
$61.55
Dehumidifier for Large Rooms or Basements, (for 4500 sq. ft.) Dehumidifier with Water Tank, Automatic and Manual Drainage, Intelligent Humidity Control, Automatic Defrost, Dry Clothes Function
Free shipping

Dehumidifier for Large Rooms or Basements, (for 4500 sq. ft.) Dehumidifier with Water Tank, Automatic and Manual Drainage, Intelligent Humidity Control, Automatic Defrost, Dry Clothes Function

8 sold
$62.98
Portable Mini Electric Dehumidifier for Home - Ultra-Quiet, Auto Shut-Off, LED, White for Wardrobe, Bathroom, RV

Portable Mini Electric Dehumidifier for Home - Ultra-Quiet, Auto Shut-Off, LED, White for Wardrobe, Bathroom, RV

4.55 sold
Limited time deal
-50%$37.99$75.98
Dehumidifier for Large Rooms or Basements, (for 4500 sq. ft.) Dehumidifier with Water Tank, Automatic and Manual Drainage, Intelligent Humidity Control, Automatic Defrost, Dry Clothes Function
Free shipping

Dehumidifier for Large Rooms or Basements, (for 4500 sq. ft.) Dehumidifier with Water Tank, Automatic and Manual Drainage, Intelligent Humidity Control, Automatic Defrost, Dry Clothes Function

123 sold
$62.89
Dehumidifier for Large Rooms or Basements, (for 4500 sq. ft.) Dehumidifier with Water Tank, Automatic and Manual Drainage, Intelligent Humidity Control, Automatic Defrost, Dry Clothes Function
Free shipping

Dehumidifier for Large Rooms or Basements, (for 4500 sq. ft.) Dehumidifier with Water Tank, Automatic and Manual Drainage, Intelligent Humidity Control, Automatic Defrost, Dry Clothes Function

5 sold
$61.98
Upgraded 1000ml (33.8oz) Household Bathroom Dehumidifier - 25% Faster Moisture Removal, Low Noise, Auto Shutoff, Defrost, Energy Saving, Ambient LED, 330 sq ft Indoor Use for Bedroom, Kitchens,back to school,back to school haul
Free shipping

Upgraded 1000ml (33.8oz) Household Bathroom Dehumidifier - 25% Faster Moisture Removal, Low Noise, Auto Shutoff, Defrost, Energy Saving, Ambient LED, 330 sq ft Indoor Use for Bedroom, Kitchens,back to school,back to school haul

3.711 sold
$136.49
MANASTIN Large Electric Dehumidifier with Low Noise Fan, 5000 Sq Ft Cover, 24H Timer, Humidity Display, Dehu/Dry/Air Modes, Drainage Hose for Home Bedroom Basement
Free shipping

MANASTIN Large Electric Dehumidifier with Low Noise Fan, 5000 Sq Ft Cover, 24H Timer, Humidity Display, Dehu/Dry/Air Modes, Drainage Hose for Home Bedroom Basement

4.356 sold
Limited time deal
$199.99
50 Pint Dehumidifier, 3,500 Sq Ft Dehumidifiers w/Humidity Sensor, Auto Shut Off
Free shipping

50 Pint Dehumidifier, 3,500 Sq Ft Dehumidifiers w/Humidity Sensor, Auto Shut Off

5.04 sold
$159.99
Devoko 5000 Sq. Ft. Energy Efficient Dehumidifier - Quiet Operation, Automatic Humidity Control, Washable Filter - Drain Hose Included - Ideal for Large Rooms, Basements, Garage, Energy Efficient Dehumidifiers
Free shipping

Devoko 5000 Sq. Ft. Energy Efficient Dehumidifier - Quiet Operation, Automatic Humidity Control, Washable Filter - Drain Hose Included - Ideal for Large Rooms, Basements, Garage, Energy Efficient Dehumidifiers

4.993 sold
Flash sale00:00:00
-39%$109.99$179.99
2.6L Portable Dehumidifier for Home with LED Display – Ultra Quiet Energy-Saving Room Dehumidifier for Bedroom, Bathroom, Closet & RV, Auto Shut-Off, Covers Up to 250 Sq.Ft.

2.6L Portable Dehumidifier for Home with LED Display – Ultra Quiet Energy-Saving Room Dehumidifier for Bedroom, Bathroom, Closet & RV, Auto Shut-Off, Covers Up to 250 Sq.Ft.

5.021 sold
Limited time deal
-50%$37.92$75.84
WANAI 4500 Sq.Ft 50 Pint Dehumidifier for Home & Basement Small Dehumidifiers with Drain Hose for Large Rooms, Smart Humidity Control, Air Filter, 1.59 Gallon Water Tank
Free shipping

WANAI 4500 Sq.Ft 50 Pint Dehumidifier for Home & Basement Small Dehumidifiers with Drain Hose for Large Rooms, Smart Humidity Control, Air Filter, 1.59 Gallon Water Tank

2 sold
-42%$149.99$259.99
95 oz Efficient Dehumidifier for Home, Whisper Quiet White Unit with LED Night Light, Auto Shut-Off, Cotton EVA Build, Easy Slip-On Design, Ideal for Bedroom, Living Room (800 sq.ft), Large Capacity Dehumidifier, Basements
Free shipping

95 oz Efficient Dehumidifier for Home, Whisper Quiet White Unit with LED Night Light, Auto Shut-Off, Cotton EVA Build, Easy Slip-On Design, Ideal for Bedroom, Living Room (800 sq.ft), Large Capacity Dehumidifier, Basements

5.06 sold
-50%$54.89$109.78
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Related Categories
Heating, Cooling & Ventilation
Dehumidifiers
Household Appliance Parts & Accessories

Introduction

High-capacity dehumidifiers extract large volumes of moisture from the air to protect homes, basements, and storage areas from dampness and mold.

  • Moisture removal rate measured in pints per day
  • Room size coverage and airflow capacity
  • Drainage options including continuous hose connection

Choose the right capacity for your space.

FAQs

Most units need emptying every 12-24 hours depending on humidity levels and tank size. Continuous drainage via hose eliminates this task.

Large-capacity models typically cover 4,000-5,000 square feet. Check the manufacturer's specifications for your specific humidity conditions.

Many models include a low-noise or sleep mode. Expect 45-55 decibels on standard settings, similar to a quiet air conditioner.

Yes, provided the unit fits through the access opening and has proper drainage. Some models are designed specifically for tight spaces.

Washable filters should be rinsed monthly. Replaceable filters typically last 6-12 months depending on air quality and usage frequency.