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Auto Defrost Dehumidifiers
Auto defrost dehumidifiers automatically clear coil frost in cool spaces. Compare defrost systems, operating temperature limits, moisture-removal capacity and pump options.
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Abatement Technologies AQUATRAP AT250RS LGR Dehumidifier – 266 PPD Saturation / 147 AHAM, 400 CFM, 115V
Abatement TechnologiesThe Abatement Technologies AT250RS AquaTrap is a low-grain refrigerant (LGR) dehumidifier for water damage restoration — 266 pints per day at satur...
View full detailsDapper Supply DP-CD1130 Commercial Dehumidifier – 290 PPD, Built-In Pump, 24,000 Sq Ft, ETL
Dapper SupplyDP-CD1130 290-PPD Dehumidifier with 16.4-Foot Pump Lift for Large-Loss Drying The DP-CD1130 pulls up to 290 pints per day (145 PPD AHAM at 80°F/60...
View full detailsEbac CD425 10141BR-US Refrigerant Dehumidifier 220V with Pump – 285 PPD, 1750 CFM
EbacCD425 220V Industrial Dehumidifier with Onboard Pump The Ebac CD425 pulls 285 pints a day across spaces up to 52,972 cubic feet, putting it in the ...
View full detailsDapper Supply DP-CD1129 Commercial Dehumidifier – 190 PPD, 700 CFM, 15,000 Sq Ft, R32
Dapper SupplyDP-CD1129 190-PPD LGR-Class Dehumidifier for Mid-Size Restoration The DP-CD1129 removes up to 190 PPD (94.5 PPD AHAM at 80°F/60% RH) and moves 700 ...
View full detailsEbac Orion 10270GR-US Dehumidifier – 105 PPD, 115V, 2-Stage
EbacEbac Orion 11270GR-US Commercial Dehumidifier – 105 PPD, 2-Stage Air Cooling The Ebac Orion 11270GR-US is a high-output commercial dehumidifier rem...
View full detailsEbac RM85H 10560RH-US Dehumidifier – 70 PPD, 115V, Smart Interface
EbacEbac RM85H 10560RH-US Dehumidifier – 70 PPD with Smartphone Monitoring The Ebac RM85H 10560RH-US matches the RM85's 70 PPD extraction capacity and ...
View full detailsEbac CD425 10140BR-US Refrigerant Dehumidifier 220V – 285 PPD, 1750 CFM
EbacEbac CD425-D HVAC Dehumidifier – Model 10140BR-US (220V, 3-Phase, Gravity Drain) The Ebac CD425-D (10140BR-US) is the 220V, gravity-drain configura...
View full detailsEbac HM150-H 11585RH-US Restoration Dehumidifier – 105 PPD, 110V, Onboard Humidistat
EbacHM150-H Restoration Dehumidifier with Onboard Humidistat The Ebac HM150-H is the controlled version of the HM150 restoration unit, adding built-in ...
View full detailsEbac HM150 11585RG-US Restoration Dehumidifier – 105 PPD, 110V, Rotomolded
EbacHM150 Stackable Restoration Dehumidifier, 110V The Ebac HM150 is a rotomolded restoration dehumidifier that removes 105 pints a day at typical cond...
View full detailsEbac CD220-D 11181GR-US Refrigerant Dehumidifier 220V – 157 PPD, 664 CFM
EbacCD220-D Ducted Commercial Dehumidifier for Mid-Size Spaces The Ebac CD220-D removes 157 pints a day and holds humidity across roughly 21,000 cubic ...
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Dapper Supply DP-CD1131 Commercial Dehumidifier – 350 PPD, Built-In Pump, 30,000 Sq Ft, ETL
Dapper Supply DP-CD1131 Commercial Dehumidifier – 350 PPD, Built-In Pump, 30,000 Sq Ft, ETL
Dapper SupplyDP-CD1131 350-PPD Dehumidifier for Large-Loss and Industrial Drying The DP-CD1131 removes up to 350 PPD (176 PPD AHAM at 80°F/60% RH) and moves 750...
View full detailsDapper Supply DP-CD1128 Commercial Dehumidifier – 105 PPD, Built-In Pump, 8,000 Sq Ft, ETL
Dapper SupplyDP-CD1128 105-PPD Dehumidifier with Pump for Basement and Restoration Drying The DP-CD1128 pulls up to 105 PPD (52.5 PPD AHAM at 80°F/60% RH) acros...
View full detailsEbac SPP6A Military Dehumidifier – 17 PPD, 115V, R134a
EbacEbac SPP6A Military-Grade Dehumidifier – 17 PPD, 147 CFM The Ebac SPP6A is a military-grade dehumidifier rated at 17 pints per day with 147 CFM air...
View full detailsEbac RM85 10560RG-US Dehumidifier – 70 PPD, 115V, Rotomolded
EbacEbac RM85 10560RG-US Dehumidifier – 70 PPD, Integral Pump, Rotomolded Housing The Ebac RM85 10560RG-US removes 70 pints per day using a rotary comp...
View full detailsEbac Kompact 10240KP-US Dehumidifier – 56 Pints/Day, Built-In Pump, 880W
Ebac11240KP-US Compact Dehumidifier — Water Damage Restoration with Built-In Condensate Pump The Ebac Kompact 11240KP-US removes 56 pints per day at AH...
View full detailsEbac Triton 11393GR-US Dehumidifier – 52 PPD, 115V, Wheels
EbacEbac Triton 11393GR-US Dehumidifier – 52 PPD with Wheels and Hot-Gas Defrost The Ebac Triton 11393GR-US is a wheeled refrigerant dehumidifier rated...
View full detailsEbac Neptune 10199GR-US Dehumidifier – 52 PPD, 115V, Portable
EbacEbac Neptune 10199GR-US Commercial Dehumidifier – 52 PPD, Hot-Gas Defrost The Ebac Neptune 10199GR-US is a compact refrigerant dehumidifier rated a...
View full detailsXPOWER BD-65 Viking Dehumidifier – 60 PPD AHAM, 1,300 Sq Ft, R32
XPOWERStainless Steel Dehumidifier for Crawlspaces and Attics – 60 PPD AHAMThe XPOWER BD-65 Viking removes 60 pints per day at AHAM conditions (80°F, 60%...
View full detailsXPOWER BD-90P Viking Dehumidifier – 85 PPD AHAM, 2,600 Sq Ft, R32
XPOWERCommercial Grade Dehumidifier with Stainless Steel Housing for Crawlspaces & AtticsThe XPOWER BD-90P Viking removes 85 pints per day at AHAM co...
View full detailsEbac CD425 10142BR-US Refrigerant Dehumidifier 460V – 285 PPD, 1750 CFM
EbacEbac CD425-D HVAC Dehumidifier – Model 10142 BR-US (460V, 3-Phase, Gravity Drain) The Ebac CD425-D (10148BR-US) is the gravity-drain version of the...
View full detailsEbac CD425 10149BR-US Refrigerant Dehumidifier 460V – 285 PPD, 1750 CFM
EbacEbac CD425 HVAC Dehumidifier with Pump – Model 10143BR-US (460V, 3-Phase) The Ebac CD425 (10143BR-US) is a 285 PPD refrigerant HVAC dehumidifier ru...
View full detailsAuto Defrost Dehumidifiers
What Does Auto Defrost Do in a Cool Space?
Auto defrost dehumidifiers automatically clear ice from the refrigerant coil in cool basements, crawl spaces, garages and unheated job sites. Moisture can freeze on the cold coil when the surrounding air is cool. The system detects these conditions and clears the ice so drying can resume without you switching the unit off.
Frost can still form on a unit with automatic defrost. The system removes it, but the unit must stay within its stated operating temperature range. Choose a model rated for the coldest conditions your space will reach. Low-temperature limits vary by model.
For humidity targets, EPA guidance on mold and moisture advises keeping indoor humidity below 60 percent, ideally between 30 and 50 percent.
Which Defrost System and Temperature Limit Fit Your Space?
Hot-gas defrost sends warm refrigerant gas through the coil to clear ice. The Ebac RM85 uses thermostatically controlled hot-gas defrost and operates at 37°F without stopping the drying cycle. It has 70 PPD capacity, runs on 115V and has a rotomolded housing. The Ebac Kompact also uses hot-gas defrost. Its stated minimum is 33°F, with 56 PPD capacity and a built-in pump.
Reverse-cycle defrost reverses the refrigerant flow. The Ebac Orion uses this system and has a stated 33°F minimum. It is a two-stage, 105 PPD unit with 115V power and a built-in GFI plug.
The term "automatic defrost" does not tell you whether a unit uses hot-gas or reverse-cycle defrost. The Abatement Technologies AQUATRAP AT250RS is an LGR unit with sensor-controlled defrost and an operating range of 34°F to 100°F. Desiccant dehumidifiers have no refrigerant coil and do not need a defrost cycle.
When comparing auto defrost dehumidifiers, check each model's stated minimum temperature. A unit rated for 37°F does not have the same operating limit as one rated for 33°F.
Related: Garage Dehumidifiers · LGR Dehumidifiers · Dehumidifiers with Pump · Low-Temperature Desiccant Dehumidifiers
How Should You Match Capacity, Drainage and Power?
Once you have checked the temperature limit, compare moisture-removal ratings. The AQUATRAP AT250RS is rated at 147 PPD AHAM, moves 400 CFM and uses 115V power. Keep the AHAM designation in mind when comparing its rating with other listed capacities.
Check the drainage setup and available power, too. If you need a built-in pump, the Kompact includes one and lists 880W power consumption. These are freestanding units. Choose one with the capacity to handle the space's moisture load, and check that its electrical requirements and drainage arrangement suit your setup.
Frequently Asked Questions
What Does Auto Defrost Do on a Dehumidifier?
Does Automatic Defrost Mean Frost-Free?
What Triggers the Defrost Cycle?
How Cold Can These Dehumidifiers Operate?
Free Sizing Tools
Not Sure What Size Equipment You Need?
Answer a few questions and get a spec-matched recommendation from our free calculators — no email required.
Dehumidifier Sizing Calculator
Enter room size and conditions to get the right pints-per-day capacity for your space.
Use the calculator →Air Scrubber Calculator
Match CFM and air changes per hour to your room for mold, dust, and restoration jobs.
Use the calculator →Floor Scrubber Selector
Size a walk-behind or ride-on scrubber to your floor area and cleaning schedule.
Use the calculator →Water Damage Equipment Calculator
Plan how many air movers and dehumidifiers a water-loss job needs, by class and size.
Use the calculator →Let customers speak for us
from 96 reviewsPerfect vacuum cleaner. Well made , goes around chair & table legs easily
Nice compact scrubber/vacume. Works very well.
Fast shipping Great Experience
Great product
This vacuum is very light and powerful
Gets the job done without hassle. This vacuum is powerful and reliable for everyday cleaning. Definitely recommend it.
we have three cats, and this purifier has done wonders in removing pet odors and dander
Located in the Twin Cities in Minnesota, we acquired our Brio Air Filter in mid-late Spring of this year (2023) when pollen count was high and we were beginning to experience the effects of Poor Air Quality Index as a result of smoke particulates from fires in Canada that caused the air in much of Minnesota to become hazy and simply dirty.
It is so easy to share our experience with the Brio Air Filter given how quickly and efficiently it removed pollen, dust, and smoke particles from the environment inside our home. Two people in our home who suffer from pollen-related allergies during the spring immediately experienced easier breathing and elimination of symptoms within the house. With respect to smoke particulates from Canada drifting into our environment, EVERYONE in our home experienced directly improved breathing and smell of the air when entering from outside.
An additional piece of information to account for is that we have always employed high grade furnace filters in our home’s central HVAC system. With that high grade filtration in place both prior to and after acquiring a Brio home air filter, we all quickly agreed that deploying the Brio in our home made an easily noticeable positive difference in breathing inside our home. Additionally, those of us who clean our home have observed that dust builds up slower on our floors and furniture than before we deployed the Brio unit.
We did note that the Brio is not as quiet as a few other brands/models on the market that we have tried in our home but the efficiency and quality of the filtration, along with the air turnover rate it provides,allows us to locate the Brio unit in central rooms away from the bedrooms. Since we made that change there has been no noise-related effect on our sleep, while the unit maintains the same level of air cleanliness throughout our home.
A last key point to make is how easy the Brio unit is to maintain. The simplicity of the modular construction of the Brio unit makes it very quick and easy to keep the filtration sections clean. We have not yet reached a point of filter replacement but it is obvious to us that the replacement will take a matter of seconds and can be executed by anyone in our home, including our 10-year-old son.
this bedroom purifier has transformed my sleep quality. the air is so much fresher and cleaner worth every penny
Amazing customer service and reliable products
very customer friendly and professional design.
perfect for maneuvering in tight areas the HEPA filter is a huge bonus
It seems to help reduce my allergy issues. We're glad we bought it. The only problem I had was not seeing any cubic footage recommendations in the online description when purchasing the unit. Bedrooms vary widely in size!!
This vacuum has exceeded my expectations. It's super powerful and handles daily cleaning with ease. I recommend it to everyone.
really effective in sweeping up all kinds of debris from our warehouse floor