The Best Energy Star Dehumidifier
We researched top-rated Energy Star dehumidifiers, scoring each on capacity, efficiency, drainage, and noise. Our picks help you control humidity in basements and large rooms without wasting energy.
By Marian Steward
Updated September 10, 2026
Excess humidity doesn’t just make a room feel sticky, it can warp wood, peel paint, and create the perfect environment for mold and dust mites.
An Energy Star dehumidifier tackles these problems while keeping electricity use in check, but choosing the right one means balancing capacity, coverage, drainage, and efficiency.
We evaluated dozens of models against consistent criteria and scored each on our 0-to-10 BP Score, drawing on specifications, expert review consensus, and verified buyer feedback to find the units that deliver reliable moisture removal without driving up costs.
Below you’ll find our top picks for the best Energy Star dehumidifier in 2026, each vetted for real-world performance in basements, living spaces, and large open areas.
Whether you need a compact unit for a bedroom or a high-capacity workhorse for a damp basement, our list covers the most efficient and dependable options available.
| Award | Product | BP Score About BP ScoreThe BP Score is our own rating from 0 to 10, based on performance, design and build, ease of use, and value. It reflects independent research and is never influenced by manufacturers, retailers, or affiliate commissions. Learn more › | Price | |
|---|---|---|---|---|
| Best Overall |
Tehanld 50 Pint Dehumidifier
|
9.9/10 | $149.98 | Buy |
Waykar 34-Pint Energy Star Dehumidifier
|
7.0/10 | $185.99 | Buy | |
| Best Value |
AEOCKY LEO-Lite 74-Pint Dehumidifier
|
9.7/10 | $199.47 | Buy |
| Best Budget |
Waykar 34-Pint Dehumidifier for 2,000 Sq. Ft.
|
9.6/10 | $175.99 | Buy |
Waykar 80-Pint Dehumidifier for Large Spaces
|
7.1/10 | $189.97 | Buy | |
Waykar 80-Pint Dehumidifier for Large Spaces
|
7.2/10 | $219.98 | Buy | |
DR.PREPARE DDH12LA 38-Pint Dehumidifier
|
9.5/10 | $129.98 | Buy | |
| Best Premium |
AEOCKY RHEA-001 80-Pint Energy Star Most Efficient
|
9.5/10 | $249.97 | Buy |
Gasbye DryPrime 4500 Sq.Ft. Energy Star
|
9.5/10 | $299.99 | Buy |
Tehanld 50 Pint Dehumidifier
This Energy Star Most Efficient 2025 dehumidifier removes up to 50 pints per day, covering areas up to 3,500 square feet. It features smart WiFi and voice control, dual drainage options including a 1.14-gallon tank and continuous hose, and three operating modes for customized comfort. Ideal for basements and other damp spaces, it includes auto defrost for low-temperature use.
Pros
- Energy Star Most Efficient 2025 certified
- Smart WiFi control with app and voice assistants
- Dual drainage: tank or continuous hose
- Auto defrost for cold environments
- Three modes: Auto, Laundry, Sleep
Cons
- Small 1.14-gallon tank requires frequent emptying without continuous drain
- Weight of 30.86 lbs may be heavy for some despite casters
Waykar 34-Pint Energy Star Dehumidifier
This 2025 Waykar model removes up to 34 pints of moisture daily and covers spaces up to 2,000 square feet, making it suitable for basements, bedrooms, and offices. It's certified as Energy Star Most Efficient, using 50 percent less power than traditional dehumidifiers while offering dual drainage options and quiet operation at 38 dB. The compact design, adjustable humidity control, and multiple safety features make it a practical choice for those seeking efficiency without sacrificing performance.
Pros
- Energy Star Most Efficient certification with claimed annual electricity savings around $1,000
- Operates at just 38 dB minimum noise level, quieter than typical 45 dB models
- Dual drainage system with included 3.3-foot hose and 0.62-gallon water tank for flexibility
- Multiple safety features including auto shutoff when tank is full, power outage memory, and child lock
- Two adjustable fan speeds and three operating modes (dehumidifying, drying, continuous)
Cons
- Water tank requires careful drain pipe switch management to prevent leaks during use
- Compact size may limit effectiveness in spaces larger than 2,000 square feet
AEOCKY LEO-Lite 74-Pint Dehumidifier
AEOCKY's Energy Star Version 6.0 dehumidifier targets basements and large spaces up to 5,000 square feet with a focus on efficiency and quiet operation. Built with copper components and an advanced auto-defrost system for cooler climates, it promises lower energy bills and reliable performance across varied conditions.
Pros
- Energy Star Version 6.0 certified with claims of up to 50% better efficiency than non-certified models
- Operates at 44dB on lowest setting, designed to be quieter than competitors at comparable sizes
- Advanced auto-defrost technology allows continuous operation in temperatures below 65°F, unlike standard dehumidifiers
- Uses pure copper tubes and high-efficiency compressor components similar to flagship models
- 3-year warranty and ETL/RoHS certification for durability assurance
Cons
- Compact dimensions (14.4 x 8.6 x 23.3 inches) may limit water tank capacity despite 74-pint capacity claims
Waykar 34-Pint Dehumidifier for 2,000 Sq. Ft.
This Energy Star certified dehumidifier handles large spaces and tough moisture problems with a 34-pint daily capacity and flexible 30-80% humidity control. The 90-degree adjustable airflow, dual drainage options, and quiet operation make it practical for basements, whole homes, and commercial settings. Best for anyone dealing with serious dampness who wants reliable performance without constant tank emptying.
Pros
- Wide 30-80% humidity range allows deeper drying for basements and storage areas, not limited to standard 40% minimum
- Dual drainage system: removable 2.5L tank or continuous hose connection for extended unattended operation
- 90-degree adjustable airflow targets moisture in specific zones efficiently
- Quiet operation with 24-hour timer and auto-restart after power outages
- Energy Star certified with intelligent defrost and overload protection for reliable low-temperature performance
Cons
- Relatively heavy at 28.7 pounds with limited portability between rooms
- 2.5L tank capacity requires frequent emptying during peak humidity seasons despite 34-pint daily capacity
Waykar 80-Pint Dehumidifier for Large Spaces
This Energy Star-certified unit tackles moisture in spaces up to 5,000 square feet, removing up to 80 pints of water daily under peak humidity conditions. Built-in auto-defrost, self-drying function, and flexible drainage options make it practical for basements and large rooms. Best suited for homeowners dealing with serious dampness who prioritize durability and smart scheduling features.
Pros
- High dehumidification capacity (80 pints/day) covers expansive areas effectively
- Auto-defrost and self-drying technology extend unit lifespan and enable year-round operation down to 41°F
- Flexible drainage with 3.5L tank or continuous hose option plus anti-overflow protection
- 24-hour timer and auto/continuous modes optimize energy use during off-peak hours
- Portable design with rolling casters and cord keeper for convenient repositioning
Cons
- 3.5-liter tank capacity is modest relative to 80-pint daily output, requiring frequent emptying without drain hose
- Heavier unit at 28.57 pounds may present handling challenges for some users despite wheels
Waykar 80-Pint Dehumidifier for Large Spaces
This Energy Star-certified dehumidifier handles up to 5,000 square feet with an 80-pint daily capacity and can reach humidity levels as low as 30 percent. It operates quietly at 42 decibels and features auto-swing airflow for even moisture distribution, making it practical for basements, bathrooms, and RVs. The combination of flexible drainage options, smart frost detection, and a two-year warranty appeals to homeowners managing persistent humidity issues.
Pros
- Reaches 30 percent humidity floor, lower than many standard models capped at 40 percent
- 90-degree auto-swing airflow distributes dry air evenly across large spaces
- Quiet operation at 42 decibels with 24-hour timer for scheduled cycles
- Dual drainage system with removable 4.3-liter tank and included 3.3-foot hose for continuous drainage
- AI-powered frost detection and overload protection for reliable low-temperature performance
Cons
- Relatively heavy at 31 pounds, which may be cumbersome for frequent manual tank emptying
- Requires manual tank emptying if continuous hose drainage is not set up
DR.PREPARE DDH12LA 38-Pint Dehumidifier
This ENERGY STAR certified dehumidifier from DR.PREPARE covers up to 2600 square feet and removes 38 pints of moisture per day. Its ultra-quiet sleep mode at 35 dB makes it suitable for bedrooms and bathrooms. It includes both a 2-liter tank for manual emptying and a continuous drainage option via the included hose.
Pros
- ENERGY STAR Most Efficient certification
- Very quiet sleep mode at 35 dB
- Includes continuous drain hose
- Smart humidity control with timer
- Easy to move with handle and casters
Cons
- Small 2L tank may need frequent emptying
- Humidity reading may differ from external meters
- Requires 24-hour upright rest before first use
AEOCKY RHEA-001 80-Pint Energy Star Most Efficient
A high-capacity dehumidifier engineered for large spaces up to 5,500 sq.ft, earning the rare Energy Star Most Efficient 2025 certification held by only 2.6% of models on the market. The unit combines robust dehumidification capacity with verified energy efficiency, operating at exceptionally low noise levels and maintaining performance in cooler temperatures where standard compressor models typically fail.
Pros
- Energy Star Most Efficient 2025 certification delivers up to 50% better efficiency than non-certified units, with potential annual electricity savings up to $1,000
- Exceptional low-temperature operation down to 65°F prevents frost buildup and shutdown, unlike conventional compressor dehumidifiers
- Industry-leading quiet operation at 44dB on lowest fan speed, significantly quieter than competing models at their maximum settings
- Copper pipe construction and high-efficiency rotary compressor design support extended lifespan of at least 3 years under normal conditions
- Millisecond-level humidity detection with proprietary compensation algorithm maintains precise moisture control within ideal range
Cons
- Dehumidification capacity varies significantly by environment (80 pints/day at 95°F, 95% RH versus 56 pints/day at 86°F, 80% RH), requiring careful space assessment before purchase
- Compact dimensions and 31-pound weight may limit placement flexibility, and power-off memory function requires separate smart socket purchase for full automation
Gasbye DryPrime 4500 Sq.Ft. Energy Star
Built for large spaces like basements and garages, this Energy Star certified unit pulls up to 115 pints per day and runs at a relatively quiet 45dB. The reinforced copper tubing and smart humidity controls aim for long-term durability, though the 43-pound frame takes up considerable floor space.
Pros
- Energy Star 2026 certified, delivering up to 30% better efficiency than non-certified models
- Honest capacity ratings across different temperature and humidity conditions, not inflated specs
- Three drainage options including 1.7-gallon tank, included 5-foot hose, and threaded outlet for garden hose connection
- Smart auto shut-off and restart within 3% of target humidity, with fan run-down for residual cooling
- 2-year quality coverage with full refund or free replacement promise and fast U.S. support
Cons
- Large dimensions (24 inches tall, 43 pounds) make it less suitable for compact spaces despite high capacity
- Capacity drops significantly at lower temperatures and humidity levels, which may not meet needs in certain climates
Energy Star Dehumidifier Buying Guide
Capacity and Coverage Area
Capacity is measured in pints of moisture removed per day, and coverage area (in square feet) tells you how large a space a unit can handle.
A 30-pint model suits a 1,500-square-foot room, while 50- to 70-pint units are better for basements up to 3,000 square feet. For very damp conditions or spaces over 4,000 square feet, look for 80-pint or higher models.
Matching capacity to room size and humidity level prevents the unit from running constantly, which saves energy.
Pay attention to the conditions under which the capacity is rated: some manufacturers evaluation at 80°F and 60% relative humidity, while others use 65°F and 60% RH. The latter is more realistic for basements. For more guidance on sizing, see our complete dehumidifier guide.
Energy Efficiency and Certification
An Energy Star certification means the dehumidifier meets strict EPA efficiency standards, but the highest tier, Energy Star Most Efficient, uses up to 30% less energy than standard certified models.
Look for a high Integrated Energy Factor (IEF) rating; a higher IEF means more moisture removed per kilowatt-hour. Units with this badge often include features like auto-restart after power loss and low-temperature operation, which help them run efficiently year-round.
If you’re comparing operating costs, check the annual energy use (kWh/year) listed on the Energy Guide label. Models from Waykar, AEOCKY, and Gasbye frequently earn top efficiency marks. For more on energy-saving appliances, browse our appliances category.
Drainage and Maintenance
Continuous drainage via a garden hose is the most convenient option, no bucket emptying required. Many dehumidifiers include a drain hose, but check the length and connection size.
For basements without floor drains, a model with a built-in pump (like the AEOCKY 80-pint) can push water upward to a sink or window.
Units with a removable bucket are fine for smaller spaces but require daily emptying in humid conditions. Self-drying and auto-defrost features reduce mold growth and ice buildup, especially in cooler basements.
If you need a pump, see our dedicated best dehumidifier with pump roundup.
Noise Level and Operating Modes
Dehumidifier noise is measured in decibels (dB). A unit rated at 40, 45 dB is quiet enough for a living room or bedroom, while 50 dB and above is noticeable.
Many modern models offer a sleep mode that dims lights and reduces fan speed. Adjustable humidity control lets you set a target level (usually 30, 80%), and the unit shuts off automatically once reached.
For spaces where noise matters, look for compressors that are specifically designed for quiet operation, such as the Gasbye 45dB model.
Some units include a 24-hour timer and an auto-restart function that remembers your settings after a power outage, useful for basements that are left unattended for days.
Additional Features and Build Quality
Look for a dehumidifier with a frost sensor and auto-defrost to prevent ice buildup on coils, especially if you use it in a basement below 65°F. A washable, reusable air filter saves on replacement costs.
Caster wheels and a sturdy handle make moving the unit easier, as many weigh over 30 pounds. Smart features like Wi-Fi connectivity and app control are becoming more common, allowing you to monitor humidity remotely.
However, the most reliable units focus on robust construction, copper tubing, sealed compressors, and durable plastic housings.
For more on maintaining healthy indoor air, check our best air purifier guide.
Why You Should Trust Us
BestProducts is an independent review site that scores products using a consistent BP Score from 0 to 10. We do not conduct our own product trials; our evaluations are grounded in research, published data, expert review consensus, and verified buyer feedback.
Each dehumidifier in this roundup was assessed on capacity, energy efficiency, drainage options, noise, build quality, and real-world user satisfaction. We also incorporate Energy Star certification data and manufacturer specifications to ensure our recommendations are accurate and up to date.
Our affiliate partnerships may earn us a commission when you purchase through links on this site, but this never influences our rankings or editorial content.
Final Thoughts
- Best Overall: Tehanld 50 Pint Dehumidifier, With a BP Score of 9.9, this model combines excellent energy efficiency, quiet operation, and reliable moisture removal for spaces up to 4,500 square feet. It earns the top spot for its consistent performance and strong user satisfaction.
- Best for Large Spaces: AEOCKY 5000Sq.Ft Energy Star Version 6.0 Dehumidifier, Scoring 9.7, this unit handles up to 5,000 square feet with a high-efficiency compressor and smart humidity control. It’s ideal for basements and open floor plans.
- Best Budget Pick: DR.PREPARE 2600 Sq.Ft Energy Star Dehumidifier, With a BP Score of 9.5, this affordable option covers 2,600 square feet and offers three modes, a drain hose, and a 24-hour timer. Great value for medium-sized rooms.
- Best Quiet Operation: Gasbye 4500 Sq.Ft Energy Star Dehumidifier, Also scoring 9.5, this model runs at a whisper-quiet 45 dB and pulls up to 115 pints per day. Its auto shut-off and restart features add convenience.
- Best for High Efficiency: AEOCKY 5500 Sq.Ft Energy Star Most Efficient 2025 Dehumidifier, With a 9.5 BP Score, this Energy Star Most Efficient unit maximizes moisture removal per watt, making it a top choice for reducing electricity bills.
Frequently Asked Questions
How do I choose the right dehumidifier capacity?
Start by measuring the square footage of the room and assessing its dampness. A 30-pint unit works for up to 1,500 square feet in moderately humid conditions. For a 2,000- to 3,000-square-foot basement, a 50- to 70-pint model is better.
Very wet areas over 4,000 square feet need 80 pints or more. Always check the manufacturer’s recommended coverage area and capacity rating conditions.
What does Energy Star Most Efficient mean?
It’s the highest tier of Energy Star certification, awarded to models that are up to 30% more efficient than the standard Energy Star requirement.
These units have a higher Integrated Energy Factor (IEF), meaning they remove more moisture per unit of electricity. They often include features like low-temperature operation and auto-restart.
Can I use a dehumidifier in a cold basement?
Yes, but look for a model with auto-defrost and low-temperature operation. Many dehumidifiers struggle below 65°F because coils can ice up. Units with a frost sensor will cycle off to melt ice and then restart.
Energy Star Most Efficient models typically handle temperatures down to 41°F.
How often do I need to empty the water bucket?
It depends on the humidity level and the unit’s capacity. In a damp basement, a 50-pint dehumidifier may fill its 1.5-gallon bucket every 6, 12 hours. Using continuous drainage via a hose eliminates this chore entirely.
If you prefer bucket emptying, choose a model with a large tank and a visual fill indicator.
Do I need a pump or gravity drain?
If your basement has a floor drain or you can place the unit near a sink, gravity drainage with a hose works fine.
For basements without drains, a built-in pump can push water up to 16 feet vertically to a window or utility sink. Pump models are more expensive but offer flexibility. For more details, see our best dehumidifier with pump guide.
Are smart features like Wi-Fi worth it?
Wi-Fi and app control let you monitor humidity levels and adjust settings remotely, which is convenient if you have a vacation home or want to track energy use. However, these features add cost and complexity.
For most users, a reliable manual unit with continuous drainage and auto-restart is sufficient. If you prioritize convenience, models from Waykar and AEOCKY offer app connectivity.
About the author
Marian is BestProducts's air quality writer, comparing purifiers and dehumidifiers on filtration, coverage area, and filter costs over time. She helps readers improve the air at home without living beside a loud fan.