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Dehumidifiers for Basements

Professional dehumidifiers specifically designed for basements. Our selection from AlorAir Solutions includes 3+ models engineered to meet the unique challenges of basements environments.

Original price $1,234.00 - Original price $1,234.00
Original price
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Namco P646 110-Pint Commercial Dehumidifier – Auto Pump, Digital, 50-ft Drain Hose

Namco Manufacturing
Low stock

Namco P646 110-Pint Portable Commercial Dehumidifier with 50-Foot Drain Hose The Namco P646 removes up to 110 pints of moisture per day with an aut...

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Original price $1,234.00 - Original price $1,234.00
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Current price $1,234.00
Original price $1,291.00 - Original price $1,291.00
Original price
$1,291.00
$1,291.00 - $1,291.00
Current price $1,291.00

Namco P646-95 95-Pint Crawl Space Dehumidifier – Auto Pump, R-410A, 1,300 sq ft

Namco Manufacturing
In stock

Namco P646-95 95-Pint Crawl Space Dehumidifier – 1,300 sq ft, Auto Pump-Out The Namco P646-95 removes up to 95 pints of moisture per day at 728 wat...

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Original price $1,291.00 - Original price $1,291.00
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Original price $1,953.00 - Original price $1,953.00
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XPOWER XD-85LH 145-Pint LGR Dehumidifier – Auto Purge Pump, 180 CFM, 115V

XPOWER
In stock

XD-85LH LGR Dehumidifier for Restoration Crawl Spaces and Tight Job Sites The XPOWER XD-85LH is a compact Low Grain Refrigerant dehumidifier built ...

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Original price $1,953.00 - Original price $1,953.00
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Original price $10,813.00 - Original price $10,813.00
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Ebac CD425 10141BR-US Refrigerant Dehumidifier 220V with Pump – 285 PPD, 1750 CFM, 353 lbs

Ebac
In stock

CD425 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 ...

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Original price $10,813.00 - Original price $10,813.00
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Original price $2,000.00 - Original price $2,000.00
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Dapper Supply DP-CD1131 Commercial Dehumidifier – 350 PPD, Built-In Pump, 30,000 Sq Ft, ETL

Dapper Supply
In stock

DP-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...

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Original price $2,000.00 - Original price $2,000.00
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Original price $1,025.00 - Original price $1,025.00
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$1,025.00
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Current price $1,025.00

Dapper Supply DP-CD1130 Commercial Dehumidifier – 290 PPD, Built-In Pump, 24,000 Sq Ft, ETL

Dapper Supply
In stock

DP-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...

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Original price $1,025.00 - Original price $1,025.00
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Original price $500.00 - Original price $500.00
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$500.00
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Current price $500.00

Dapper Supply DP-CD1128 Commercial Dehumidifier – 105 PPD, Built-In Pump, 8,000 Sq Ft, ETL

Dapper Supply
In stock

DP-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...

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Original price $500.00 - Original price $500.00
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Original price $1,868.40 - Original price $1,868.40
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Current price $1,868.40

Namco P646-190 190-Pint Crawl Space Dehumidifier – Auto Pump, R-410A, 3,300 sq ft

Namco Manufacturing
In stock

Namco P646-190 190-Pint Crawl Space Dehumidifier – Auto Pump-Out, 3,300 sq ft Coverage The Namco P646-190 removes up to 190 pints of moisture per d...

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Original price $1,868.40 - Original price $1,868.40
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Current price $1,868.40
Original price $2,333.00 - Original price $2,333.00
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$2,333.00
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Current price $2,333.00

Ebac Kompact 10240KP-US Dehumidifier – 56 Pints/Day, Built-In Pump, 880W

Ebac
In stock

11240KP-US Compact Dehumidifier — Water Damage Restoration with Built-In Condensate Pump The Ebac Kompact 11240KP-US removes 56 pints per day at AH...

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Original price $2,333.00 - Original price $2,333.00
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Original price $1,499.00 - Original price $1,499.00
Original price $1,499.00
$1,529.00
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Current price $1,529.00

XPOWER XD-125 125-Pint Commercial Dehumidifier – Auto Pump, 235 CFM

XPOWER
In stock

125-Pint Commercial Dehumidifier with Auto Purge Pump and 20-Foot Drain HoseThe XPOWER XD-125 removes 76 pints per day at AHAM conditions (80°F, 60...

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Original price $1,499.00 - Original price $1,499.00
Original price $1,499.00
$1,529.00
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Original price $1,828.00 - Original price $1,828.00
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Current price $1,828.00

Namco P646-150 150-Pint Crawl Space Dehumidifier – Auto Pump, R-410A, 2,600 sq ft

Namco Manufacturing
In stock

Namco P646-150 150-Pint Crawl Space Dehumidifier – 2,600 sq ft Coverage with Auto Pump The Namco P646-150 removes up to 150 pints of moisture per d...

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Original price $1,828.00 - Original price $1,828.00
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Original price $0.00 - Original price $0.00
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$2,066.00
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Current price $2,066.00

Namco P649 330-Pint Commercial Dehumidifier – Auto Pump, Digital Controls, R-410A

Namco Manufacturing
In stock

Namco P649 330-Pint Commercial Dehumidifier with Auto Pump-Out The Namco P649 removes up to 330 pints of moisture per day using R-410A refrigerant ...

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Original price $0.00 - Original price $0.00
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$2,066.00
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Commercial Dehumidifiers for Basement Moisture Control

Dehumidifiers for Basements: High-Capacity Moisture Removal for Below-Grade Spaces

Dehumidifiers for basements handle the persistent moisture challenges common in below-grade spaces where groundwater seepage, concrete moisture vapor, and poor ventilation create ongoing humidity problems. Commercial basement dehumidifiers remove 70-180 pints daily to overcome continuous moisture intrusion that overwhelms residential dehumidifiers designed for occasional use. Industrial dehumidifiers sized for basement applications maintain healthy humidity levels despite the constant moisture sources that make basements chronically damp without adequate dehumidification equipment.

Continuous Drainage for Unattended Operation

Basement dehumidifiers with gravity drain connections or built-in condensate pumps enable continuous operation without manual tank emptying that would make round-the-clock moisture control impractical. Connect drain lines directly to floor drains, sump pits, or exterior drainage for hands-off operation in commercial, rental, and restoration applications. Condensate pump options lift water to elevated drains when gravity drainage is not available, ensuring continuous moisture removal regardless of basement drain locations or elevation constraints.

Waterproofing Integration

Basement dehumidification addresses symptoms while waterproofing addresses root causes of moisture intrusion. Combining dehumidification with appropriate waterproofing provides comprehensive moisture control that neither approach achieves alone. Evaluate moisture sources to determine whether dehumidification alone is adequate or waterproofing improvements are also needed.

Low-Temperature Operation for Cool Basements

Dehumidifiers for basements operate effectively in the cool temperatures typical of below-grade spaces where standard units freeze up and stop removing moisture. Low-temperature operation features including hot gas defrost cycles and enhanced coil designs maintain dehumidification performance in basement conditions from 35-65°F where conventional dehumidifiers struggle or fail completely. This cold-weather capability is essential for basement moisture control during cooler seasons when humidity problems often worsen due to reduced natural evaporation and increased condensation on cool surfaces.

Selecting the right dehumidifier capacity prevents both under-sizing that fails to control moisture and over-sizing that wastes energy. Consider the space volume, moisture sources, desired humidity level, and ambient temperature when calculating requirements. Professional consultation ensures proper sizing for challenging applications where standard calculations may not apply.

Related: All Dehumidifiers · Dehumidifiers for Crawl Spaces · Dehumidifiers with Built-In Pump · LGR Dehumidifiers · Commercial Dehumidifiers

Frequently Asked Questions

What size dehumidifier do I need for a 1,000 square foot basement?
For a 1,000 sq ft basement with moderate humidity, a 70–90 pint/day dehumidifier handles the load. Damp or wet basements with visible moisture or frequent condensation need 100–130 pints. Basements below grade with persistent seepage require a unit with a built-in pump for continuous drainage without manual emptying.
Should a basement dehumidifier run all the time?
Not necessarily. A dehumidifier with a humidistat cycles on when humidity exceeds your set point (typically 45–50% RH) and shuts off when it's reached. In summer, it may run 8–12 hours per day. In winter with good insulation, it may barely cycle. Continuous-run units are only needed in high-infiltration basements.
Where should a dehumidifier be placed in a basement?
Place the basement dehumidifier in the center of the space or near the primary moisture source — sump pit area, below-grade walls, or uninsulated foundation walls. Ensure at least 12 inches of clearance on all sides for airflow. For gravity drainage, position near a floor drain; otherwise, choose a model with a built-in pump.
What humidity level should I maintain in my basement?
Target 45–50% relative humidity for most basements. Below 30% can cause wood framing to dry out and crack; above 60% creates conditions for mold growth within 24–48 hours. During water damage events, reduce to 30–40% until structural materials reach acceptable moisture content per IICRC S500 drying standards.
Is it worth getting a dehumidifier for a basement?
Yes. Uncontrolled basement humidity causes mold, wood rot, pest infestations, and degrades air quality throughout the building above. A commercial-grade basement dehumidifier pays for itself by preventing structural damage and avoiding mold remediation costs — typically $1,500–$5,000 for a mid-size commercial basement remediation.

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