Best Dehumidifier 300 Sq Ft in 2025
Updated on July 2025
#1
Recommended
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- Extracts up to 40oz of moisture daily, ideal for high-humidity areas such as basements and bathrooms.
- Offers two modes: Powerful Mode (30-40 dB) for fast dehumidification and Night Mode (20 dB) for quiet operation, suitable for bedrooms and RVs.
- Features an auto shut-off function with a visual indicator when the tank is full, preventing spills and ensuring safety.
- Equipped with 7-color LED lighting that can be customized, adding aesthetic appeal while operating as a functional device.
- Compact design (13.78”H x 7.87”W x 5.31”D) and built-in handle for easy movement, effective in spaces up to 1000 sq.ft.
- Backed by a 30-day refund policy, 2-year replacement warranty, and responsive customer support.
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- Extracts up to 40oz of moisture daily, ideal for high-humidity areas such as basements and bathrooms.
- Offers two modes: Powerful Mode (30-40 dB) for fast dehumidification and Night Mode (20 dB) for quiet operation, suitable for bedrooms and RVs.
- Features an auto shut-off function with a visual indicator when the tank is full, preventing spills and ensuring safety.
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#2
Value for Money
36% Off
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- Removes up to 34 oz of moisture daily in spaces up to 800 sq ft using advanced semiconductor technology and a 95 oz water tank.
- Operates at a quiet 35dB in sleep mode, ensuring minimal disturbance, and features auto atmosphere lights that can be toggled or customized in color.
- Equipped with a detachable filter and ionizer that captures small air particles, promoting fresh air quality suitable for bathrooms and kitchens.
- Includes an auto shut-off feature that prevents overflow when the water tank is full, with a drainage hose for continuous water removal.
- Compact and lightweight design with ergonomic handles allows for easy placement in various settings such as bedrooms, bathrooms, and RVs.
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- Removes up to 34 oz of moisture daily in spaces up to 800 sq ft using advanced semiconductor technology and a 95 oz water tank.
- Operates at a quiet 35dB in sleep mode, ensuring minimal disturbance, and features auto atmosphere lights that can be toggled or customized in color.
- Equipped with a detachable filter and ionizer that captures small air particles, promoting fresh air quality suitable for bathrooms and kitchens.
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#3
20% Off
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- Uses semiconductor condensation technology to keep indoor humidity below 45%
- Features automatic shutdown to prevent overflow when the water tank is full
- Includes 7 changing lights for ambiance, with a compact design for easy placement
- Simple operation with two buttons for power and light
- Operates quietly for uninterrupted sleep
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- Uses semiconductor condensation technology to keep indoor humidity below 45%
- Features automatic shutdown to prevent overflow when the water tank is full
- Includes 7 changing lights for ambiance, with a compact design for easy placement
- Simple operation with two buttons for power and light
- Operates quietly for uninterrupted sleep
#4
15% Off
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- Efficiently removes moisture: Can collect up to 16oz (450ml) of water in a 24-hour period in high humidity conditions with minimal energy use.
- Color-changing lights: Features a separate button for 7-color ambient lighting, ideal for creating a relaxed atmosphere while operating quietly at 28dB.
- Large water tank: 1000ml (35oz) transparent tank allows for real-time monitoring of water collection, with an easy-to-remove design for emptying and cleaning.
- Safety features: Automatically shuts off when the tank is 700-800ml full, with a red light indicator for convenience and safety.
- Compact and portable: Measures 5.9X5.9X10.1 inches with a built-in handle for easy relocation in various spaces like bedrooms, bathrooms, and closets.
- Optimal placement: Ensure the top air inlet and back outlet remain unobstructed for effective operation.
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- Efficiently removes moisture: Can collect up to 16oz (450ml) of water in a 24-hour period in high humidity conditions with minimal energy use.
- Color-changing lights: Features a separate button for 7-color ambient lighting, ideal for creating a relaxed atmosphere while operating quietly at 28dB.
- Large water tank: 1000ml (35oz) transparent tank allows for real-time monitoring of water collection, with an easy-to-remove design for emptying and cleaning.
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#5
33% Off
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- Efficient home dehumidification using semiconductor condensation technology, capable of collecting up to 350ml of water in 24 hours under high humidity conditions.
- Operates quietly at 28 dB, suitable for bedrooms and study areas, with optional ambient lighting to enhance nighttime comfort.
- Equipped with automatic shutdown feature for safety; alerts user with a flashing red light when the water tank is full or improperly placed.
- User-friendly design includes an ergonomic handle for easy transport, a removable water tank, and a washable filter for simple maintenance.
- Compact size and lightweight nature allow for versatile placement in various spaces like bedrooms, bathrooms, closets, and RVs.
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- Efficient home dehumidification using semiconductor condensation technology, capable of collecting up to 350ml of water in 24 hours under high humidity conditions.
- Operates quietly at 28 dB, suitable for bedrooms and study areas, with optional ambient lighting to enhance nighttime comfort.
- Equipped with automatic shutdown feature for safety; alerts user with a flashing red light when the water tank is full or improperly placed.
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#6
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- 1800ml water tank capacity reduces the frequency of emptying and prevents overflow.
- Equipped with defrost technology to maintain efficiency; features auto shut-off for full tank, separation, or tilt detection.
- Three operational modes: sleep mode operates quietly under 40dB, while normal and performance modes enhance daily dehumidification.
- Includes 10 color night lights and five timer options (24 to 96 hours) for customizable usage and energy savings.
- Compact design suitable for various environments, safe for children and the elderly, compliant with FCC, CE, and RoHS standards.
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- 1800ml water tank capacity reduces the frequency of emptying and prevents overflow.
- Equipped with defrost technology to maintain efficiency; features auto shut-off for full tank, separation, or tilt detection.
- Three operational modes: sleep mode operates quietly under 40dB, while normal and performance modes enhance daily dehumidification.
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#7
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- Utilizes semiconductor condensation technology to remove moisture without harmful refrigerants, effectively extracting up to 10 oz (295 ml) of water per day in closed rooms of 285 sq. ft.
- Energy-efficient with a daily consumption of less than 0.55 kWh and operates quietly at 24 dB for uninterrupted sleep.
- Compact design measuring 4.5 x 6.5 x 9.2 inches with a 30 oz water tank, suitable for various small spaces such as bedrooms, bathrooms, and offices, and features a convenient carry handle.
- Includes an automatic shut-off function when the water tank is full, indicated by a color change on the power button for safe usage even when unattended.
- User-friendly operation; simply press the power button to activate, while ensuring air vents are unobstructed to maintain performance.
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- Utilizes semiconductor condensation technology to remove moisture without harmful refrigerants, effectively extracting up to 10 oz (295 ml) of water per day in closed rooms of 285 sq. ft.
- Energy-efficient with a daily consumption of less than 0.55 kWh and operates quietly at 24 dB for uninterrupted sleep.
- Compact design measuring 4.5 x 6.5 x 9.2 inches with a 30 oz water tank, suitable for various small spaces such as bedrooms, bathrooms, and offices, and features a convenient carry handle.
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#8
20% Off
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- Uses semiconductor condensation technology for effective moisture removal in the air.
- Features an auto shut-off function to prevent overflow when the water tank is full or incorrectly positioned.
- Includes 7 color-changing night lights that can be set to a preferred color, enhancing the sleeping environment.
- Offers two operation modes: high speed for rapid humidity reduction and night mode for quiet operation under 30db.
- Compact size (8.3"L x 5.5"W x 14"H) suitable for spaces up to 1000 sq.ft., ideal for bedrooms, closets, bathrooms, and basements.
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- Uses semiconductor condensation technology for effective moisture removal in the air.
- Features an auto shut-off function to prevent overflow when the water tank is full or incorrectly positioned.
- Includes 7 color-changing night lights that can be set to a preferred color, enhancing the sleeping environment.
- Offers two operation modes: high speed for rapid humidity reduction and night mode for quiet operation under 30db.
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#9
45% Off
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- Dual semiconductor condensers enhance efficiency by absorbing up to 1.2L of moisture daily, suitable for small spaces like bathrooms and kitchens.
- Operates quietly in sleep mode at a noise level of 35 dB, maintaining optimal humidity without disturbing your environment.
- Automatic shut-off prevents overflow when the water tank is full, with indicators to remind users to empty the tank; also offers a drain hose option for continuous use.
- Features a programmable timer with options for 8, 16, or 24 hours and a colorful night light that can be turned off or locked for ambiance.
- Equipped with filters and aromatherapy boxes to improve air quality and provide a clean, refreshing environment.
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- Dual semiconductor condensers enhance efficiency by absorbing up to 1.2L of moisture daily, suitable for small spaces like bathrooms and kitchens.
- Operates quietly in sleep mode at a noise level of 35 dB, maintaining optimal humidity without disturbing your environment.
- Automatic shut-off prevents overflow when the water tank is full, with indicators to remind users to empty the tank; also offers a drain hose option for continuous use.
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#10
13% Off
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- Compact dehumidifier utilizing semiconductor technology to effectively reduce air moisture for improved comfort.
- Operates quietly at just 28db, making it suitable for bedroom use, with adjustable colorful night lights.
- Features automatic shut-off when the water tank is full, ensuring safety with sound and light alerts before shutting down.
- User-friendly design with a simple two-button control panel for easy operation.
- Lightweight and portable, measuring 6.1 x 6.1 x 9.25 inches and weighing 3.2 pounds, ideal for small spaces like bedrooms and bathrooms.
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- Compact dehumidifier utilizing semiconductor technology to effectively reduce air moisture for improved comfort.
- Operates quietly at just 28db, making it suitable for bedroom use, with adjustable colorful night lights.
- Features automatic shut-off when the water tank is full, ensuring safety with sound and light alerts before shutting down.
- User-friendly design with a simple two-button control panel for easy operation.
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![Gasbye 4500 Sq.Ft. Most Efficient Energy Star 2025 Dehumidifier for Basement with Drain Hose, Max 115 Pints/D Dehumidifier for Large Room, [45dB Quiet Compressor], Easy Drainage, Auto-restart, Black](https://m.media-amazon.com/images/I/318b9yuz9cL._SL320_.jpg)
![Gasbye 4500 Sq.Ft. Most Efficient Energy Star 2025 Dehumidifier for Basement with Drain Hose, Max 115 Pints/D Dehumidifier for Large Room, [45dB Quiet Compressor], Easy Drainage, Auto-restart, Black](https://m.media-amazon.com/images/I/51XffRpUiFL._SL320_.jpg)
![Gasbye 4500 Sq.Ft. Most Efficient Energy Star 2025 Dehumidifier for Basement with Drain Hose, Max 115 Pints/D Dehumidifier for Large Room, [45dB Quiet Compressor], Easy Drainage, Auto-restart, Black](https://m.media-amazon.com/images/I/51UBY+gsFsL._SL320_.jpg)
![Gasbye 4500 Sq.Ft. Most Efficient Energy Star 2025 Dehumidifier for Basement with Drain Hose, Max 115 Pints/D Dehumidifier for Large Room, [45dB Quiet Compressor], Easy Drainage, Auto-restart, Black](https://m.media-amazon.com/images/I/51B75K3kPNL._SL320_.jpg)
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