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Best attic dehumidifiers - Holiday Sale 2025

Last Updated - December 14, 2025

1
Best Choice
20% 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
20% Off

Waykar 158 Pints Crawl Space Dehumidifier with Remote Control up to 6,500 sq. ft., Dual Duct HVAC Commercial Whole-House Dehumidifier for Basement, Industry Water Damage Unit - 5-Year Quality Coverage

Waykar

$598.43

$749.99
(20% Off)

More Details
Main highlights
- 【Remote Control for Easy Humidity Adjustment】This commercial crawl space dehumidifier includes a high-performance control panel, typically an additional $100 for other models. The panel offers exceptional installation flexibility, allowing you to remotely adjust humidity, whether the unit is in a narrow crawl space or a spacious basement. The remote can be installed up to 32.8 feet away, minimizing the need for frequent access to damp, slippery areas, enhancing both convenience and safety.
- 【Precise Control with Humidity Sensor 】Equipped with a 16.4ft humidity sensor, this attic dehumidifier provides millisecond-level detection for precise humidity control and adjustments(Please note: Please make sure to install a humidity sensor, only then all automated functions of the machine will work properly). The dehumidifier is certified by TUV, a more rigorous standard than most certifications, ensuring top-tier performance and reliability.
- 【Flexible Installation Options】This dehumidifier is thoughtfully designed with a cord-winding column for neat storage, adjustable feet to reduce noise and vibration, and sturdy hooks and handles for easy transportation. These features ensure hassle-free setup and operation, making it ideal for various installation scenarios and environments.
- 【Easy Drainage & Automatic Defrost】This basement dehumidifier ensures effortless continuous drainage. Simply position the unit over a floor drain, connect the included 9.84ft drain hose, and enjoy efficient moisture removal without interruption. It also features automatic defrost, overload protection, power-off memory, a 24-hour timer, and adjustable continuous drainage through the control panel, providing exceptional convenience and reliability for both commercial and residential applications.
- 【Dual Duct Design for Better Value】This all-in-one dehumidifier has a dual duct design with separate ducted inlets and outlets, unlike most models that only have one ducted outlet. Many dual duct models on the market cost over $1400. This type of dehumidifier is more suitable for whole-house dehumidification of HVAC systems. This design improves airflow, humidity control and heat management, making it efficient and adaptable to a variety of environments.
- 【5-Year Quality Assurance】Waykar has more than 10 years of experience in the field of dehumidifiers and is a market-leading brand in the dehumidifier industry, providing advanced technology, full compliance with TUV electrical safety standards and comprehensive support. Enjoy 30-day money back, 1-year full warranty, 2-year extended warranty (as stated on the last page of the manual), 5-year compressor warranty and lifetime technical support. Contact us by phone, email or online chat.
- 【158 Pint Crawl Space Dehumidifier】The Waykar whole-house dehumidifier removes up to 158 pints of moisture per day (under 95°F, 90% RH), covering up to 6,500 sq. ft. With a powerful 206 CFM airflow and high-efficiency brushless motor, it offers adjustable humidity control from 10% to 98% RH, providing better control than most devices (30%-80% RH). Ideal for commercial, industrial, crawl spaces, basements, garages, and warehouses.
$598.43
$749.99 (20% 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.

Airzentti

Airzentti 155 Pints Commercial Dehumidifier for Basement with Pump and Drain Hose, Large Space Dehumidifier for Crawl Space, Attic, Garage, Home, Industrial, Water Damage, Auto Defrost, Energy Star

Airzentti

$589.99

$629.99
(6% Off)

More Details
Main highlights
- [Sustainability and Compliance] This energy efficient dehumidifier is Energy Star certified and TUV compliant. Our energy star dehumidifier is designed for sustainability and durability that ensures peak performance and capacity while conserving energy.
- [Multiple Applications] This industrial dehumidifier is 24.3*14.2*15 inch, weighs 59lbs (26.9kg), with 8.2-ft (2.5m) power cord, 6-inch (150mm) air duct collar diamater. It is capable of working in various conditions including industrial warehouse, commercial office, house attic, basement, bathroom, garage, large or small spaces.
- [Commercial Grade Dehumidifier] This Airzentti crawl space dehumidifier with large capacity removes moisture from basement, attic, large room and small rooms efficiently up to 155 pints per day under nearly saturated condition (70 PPD in AHAM), with 220 CFM airflow, it is ideal for space up to 7,500 square feet.
- [Built-in Functions] This crawlspace dehumidifer is equipped with the newly designed built-in water pump that can drain up to 16.4-ft (5m) in addition to the updated control panel with Humidity Level Setting, Timer and Gravity Drain (6.56-ft drain hose) functions to allow this tankless dehumidifier to offer the "Set-and-Forget" work mode.
- [Add-on Features] This smart whole house dehumidifiers for home is ideal for extended duration remote operations thanks to its various safety features including "Auto Defrost", "Auto Drain", and "Screen Lock" functions to prevent possible ice frost buildup, water overflow, and control panel mispress.
$589.99
$629.99 (6% Off)
3
24% 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.

AEOCKY
24% Off

4500 Sq.Ft Most Efficient Energy Star 2025 Dehumidifier,AEOCKY Max 80 Pint/Day Smart Compressor Dehumidifier with Drain Hose, Intelligent Humidistat,for Basement,Bedroom,Home,Bathroom

AEOCKY

$227.98

$299.99
(24% Off)

More Details
Main highlights
- 【Wide Coverage Area, Strong Compatibility】When purchasing, consider long-term use, opting for a one-step solution to avoid upgrades. A 4500 sq.ft Most Efficient Energy Star 2025 dehumidifier is the Most Cost-Effective Choice, ensuring no performance concerns, and suitable for 99% of living scenarios; Rhea-001 have the capability of downward compatibility, performing exceptionally well in smaller usage scenarios. They not only dehumidify faster, making environments more comfortable, but also save more energy.
- 【WHY AEOCKY?】 We are committed to bringing cutting-edge technology to the consumer sector.We have passed the ETL, RoHS, certification. We offer a 3-year coverage for unit, which exceeds market standards.
- 【The Compressor Built for Over 3 Years of No-Worry Use】The more powerful the performance and efficiency, the fewer the compressor's frequent starts and stops, resulting in a longer lifespan. Additionally, unlike other products that substitute aluminum tubes for copper, which often fail within a year, our dehumidifiers are designed for No-Worry use for at least 3 years under normal transport conditions. This is why we have earned the Most Efficient Energy Star 2025.
- 【Quietest Dehumidifier of Same Size and Performance】Eliminate old and bulky piston compressor, saving up to 50% of internal space. Plastic seal AC motor driving a large-size biomimetic Archimedes Wind Tunnel makes silent solution possible; Lowest fan speed is just 44dB,operating like white noise and Never disturb your life, even at highest setting, Rhea-001 is still quieter than others at their lowest (50dB or more). Say "NO" to Noisy! (With size of 14.45"D x 8.66"W x 24.09"H and weight of 31 lbs)
- 【Most Efficient Energy Star 2025 Compressor Dehumidifier for homes over 4500 sq.ft】80 pint/day in the humid Mid-summer (95℉, 95%RH); 56 pint/day in the warm, damp basement (86℉, 80%RH)! It complies with the most stringent new standard, with only 2.6% pass rate. Not every dehumidifier can achieve the prestigious "2025 Most" rating.It's your ultimate choice for energy savings and environmental protection. The most efficient Energy Star 2024 standard has expired, they're only ordinary Energy Star now. (Dehumidification capacity≠Water Tank Volume)
- 【Customer-Centric, Design Just What You Need】Effortless drainage with Auto-adapting Design—choose continuous flow or easy manual emptying. Use adapter to direct water where it’s needed! Factory-equipped swivel casters for easy movement without manual installation. Thanks to Rotor Compressor Pro+, Rhea-001 is ready to use upon arrival, with no 24-hour wait like others. 50% lighter than piston compressors, with a hidden handle for easy floor-to-floor transport. Multi-color ambient light for convenient nighttime use and quick humidity assessment.
- 【Consider Other Expenses Before Making Choice】Compared to non-Energy Star inefficient products,Rhea-001 efficiency is increased by up to 50%, saving you up to 1000 on electricity bills annually (operating 24/7 year-round). When purchasing a dehumidifier, consider not only the performance and purchase cost of the machine,but also the running costs over the next few years.
- 【Configurations Surpass Limits to Achieve Most Efficient Energy Star 2025】Aeocky utilizes Cutting-Edge High-Efficiency Rotor Compressor Pro+ to Rhea-001, whose core components evaporator and condenser adopt“3+3”structure with one more row than others. Never use aluminum tubes, we unswervingly use 7mm diameter high-tooth internal thread pure copper pipes.We also equipped with advanced blue hydrophilic aluminum foil, achieving breakthrough heat exchange efficiency meeting the most rigorous energy efficiency standards in history.
- 【65℉, the Watershed Between Ordinary and Efficient】 Unlike other compressor dehumidifiers that quickly frost up and stop working under 65℉ on the condensing coil, models with Most Efficient Energy Star 2025 can withstand more extreme working environments.We are aslo equipped with top-tier Defrost Sensors, operational even at temperatures as low as 42℉.
- 【2025 Smart Dehumidifier Should Be Like This】The newly designed architecture breaks industry's decade-long lack of innovation, enabling it have high-performance chip. Millisecond-level dynamic detection keeps humidity within the ideal range, with a full-stack proprietary humidity compensation algorithm ensuring Rhea-001 exceeds industry standard for humidity accuracy. Exclusive power-off memory function can be used with smart socket, automatically resuming function after power restoration, suitable for smart home or special space like RV
$227.98
$299.99 (24% Off)
4
16% Off

✖
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.

Airecoler
16% Off

Airecoler 125 Pints Commercial Dehumidifier for Crawl Spaces & Basements with Drain Hose, Industrial Grade Water Damage Restoration for up to 6,000 sq ft, Auto Defrost, Memory Starting

Airecoler

$393.57

$469.99
(16% Off)

More Details
Main highlights
- Enhanced Commercial Dehumidification: Airecoler commercial dehumidifier GT-X5 stands out for its exceptional moisture removal, capable of extracting up to 125 pints daily (Max.) and 60 pints at AHAM, being an optimal drying solution in expansive, damp places like crawl spaces, basements, warehouses, garages, and even commercial/industrial areas.
- Energy-saving Efficiency: Incorporating an innovative R32 dehumidification system, this commercial-grade dehumidifier ensures high performance with reduced electricity consumption and eco-friendliness. The 24-hour auto ON/OFF timer helps save energy and lower utility costs.
- Easy Operation: Featuring a intuitive control panel and a 6.56 ft drain hose, this basement dehumidifier offers set-and-forget operation with auto ON/OFF functionality to maintain preset humidity levels, along with auto drain, auto defrost, auto ON/OFF timer, continuous mode, and auto restart after power outages.
- Compact Design for Versatile Application: Measuring at only 19.2*12.2*13.4 inch(L*W*H), this compressor dehumidifier is perfect to fit in low-clearance crawlspaces and tight basements, while offering flexible placement options including freestanding, countertop, or suspension between floor joists.
- 5-Year Covered: Designed for enduring performance, this commercial-grade dehumidifier is backed by a 5-year covered (2 years for the entire dehumidifier and an additional 3 years for the dehumidification system), ensuring peace of mind and long-term reliability.
$393.57
$469.99 (16% Off)
5
Best Value
34% Off

✖
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.

DECIUU
34% Off

5000 Sq.Ft Energy Star Most Efficient 2024 Dehumidifier,DECIUU Max 100 Pint (Standard 70 Pint) Dehumidifier for Basement with Drain Hose,Intelligent Humidity Control for Home Bathroom Garage Bedroom

DECIUU

$237.49

$359.99
(34% Off)

More Details
Main highlights
- Worry-Free Support, Confident Dehumidification: Our smart dehumidifier is more than just your 24/7 “humidity manager” - it also comes with double-layered after-sales protection. Enjoy a 1-year right out of the box, and get an additional year of coverage when you register your product (see user manual for details). That’s a total of 2 years for your peace of mind
- Why is the DECIUU Dehumidifier so Outstanding? At the core of its superior performance lies our Intelligent Humidity Control System, powered by a high precision sensor that continuously monitors ambient humidity in real time. Users can freely set their desired humidity level between 35% and 80% RH, maintaining optimal comfort and protection for your space.The built-in Smart Memory Chip restores your last settings automatically - no need to reset each time. Just power on and enjoy consistent, personalized comfort
- Three Engines Powerful Dehumidification: Deciuu dehumidifier combines three core technologies for efficient moisture control: a high-efficiency rotary compressor ensures stable performance with lower energy use; a large vortex fan boosts air circulation for faster drying; and high-conductivity copper tubing in the evaporator and condenser improves cooling and durability. Precision engineering design combined with intelligent airflow brings strong dehumidification effect, helping you say goodbye to annoying humidity
- Three Drainage Options for a Dry, Comfortable Space:This compact dehumidifier offers flexible drainage with a 3/4" garden hose adapter for allowing you to easily connect to a standard water pipe,;a 2m (6.56ft) drain hose for ensuring continuous drainage, and a 5.5L (1.45 gal) tank with auto shut-off when full without the worry of overflow.Ideal for basements, living rooms, garages, or storage areas, it combines strong performance with user-friendly design to keep your space dry
- Smart Control That Fits Seamlessly Into Daily Life:Our large-capacity dehumidifier features a clear LED panel for easy control and set a 1–24h timer, and switch between three fan speeds. The child lock prevents accidental touches, and the full-tank indicator reminds you when to empty water. Every detail is designed for daily ease, so anyone in the household can operate it comfortably, whether during busy mornings or restful nights
- Most Efficient 2024 Energy Star Dehumidifier: Tired of battling stubborn humidity? Our ENERGY STAR certified dehumidifier removes 70 pints/D at (86°F, 80% RH) and meets the strictest Most Efficient 2024 energy standards. It delivers superior performance in extreme conditions - up to 100 pints/D at ( 95°F, 90% RH), and 50 pints/D at (80°F, 60% RH) and coverage up to 5,000 sq. ft., it’s 50% more efficient than traditional models, helping protect your home, walls, furniture, and clothes from damage.Dehumidification capacity≠water tank volume
- Engineered for Easy Living: The Energy Star dehumidifier redefines efficient dehumidification.Cleverly combines a hidden handle with a 360° swivel wheel design, making it easy to move from the living room to the bathroom without any hassle. It features a removable, washable filter for convenient maintenance while continuously delivering fresh air. Despite its small size, it packs powerful performance, seamlessly combining intelligent dehumidification with easy mobility, so you won’t need to struggle with heavy lifting or frequent maintenance
$237.49
$359.99 (34% Off)

Best attic dehumidifiers - Holiday Sale 2025

Waykar 158 Pints Crawl Space Dehumidifier with Remote Control up to 6,500 sq. ft., Dual Duct HVAC Commercial Whole-House Dehumidifier for Basement, Industry Water Damage Unit - 5-Year Quality Coverage

Airzentti 155 Pints Commercial Dehumidifier for Basement with Pump and Drain Hose, Large Space Dehumidifier for Crawl Space, Attic, Garage, Home, Industrial, Water Damage, Auto Defrost, Energy Star

4500 Sq.Ft Most Efficient Energy Star 2025 Dehumidifier,AEOCKY Max 80 Pint/Day Smart Compressor Dehumidifier with Drain Hose, Intelligent Humidistat,for Basement,Bedroom,Home,Bathroom

Airecoler 125 Pints Commercial Dehumidifier for Crawl Spaces & Basements with Drain Hose, Industrial Grade Water Damage Restoration for up to 6,000 sq ft, Auto Defrost, Memory Starting

5000 Sq.Ft Energy Star Most Efficient 2024 Dehumidifier,DECIUU Max 100 Pint (Standard 70 Pint) Dehumidifier for Basement with Drain Hose,Intelligent Humidity Control for Home Bathroom Garage Bedroom

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