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Whole House Dehumidifiers

High-capacity dehumidifiers for whole-home and large-space moisture control. Units in 70–300 pint capacity run continuously to prevent mold growth, protect building materials, and maintain stable indoor humidity. Wheeled portable design with drain hose connections for hands-free operation. Used by homeowners, property managers, and restoration contractors in basements, crawl spaces, and large residential properties.

Original price $2,443.00 - Original price $2,443.00
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Abatement Technologies AT250RS LGR Dehumidifier – 266 PPD, 400 CFM, 115V

Abatement Technologies
In stock

The Abatement Technologies AT250RS AquaTrap is a low-grain refrigerant (LGR) dehumidifier for water damage restoration — 266 pints per day at satur...

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Original price $2,443.00 - Original price $2,443.00
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Original price $3,079.00 - Original price $3,079.00
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XPOWER XD-125Li LGR Dehumidifier – 125 PPD AHAM, Bluetooth, 420 CFM

XPOWER
In stock

LGR Dehumidifier with 125-PPD Bluetooth Control and 40-Foot Auto PurgeThe XPOWER XD-125Li removes 125 pints per day at AHAM conditions (80°F, 60% R...

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Original price $3,079.00 - Original price $3,079.00
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Original price $2,597.00 - Original price $2,597.00
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Abatement Technologies AT200C LGR Dehumidifier – 110 PPD AHAM, 470 CFM, WiFi

Abatement Technologies
In stock

AT200C — 110 PPD AHAM LGR Performance with Built-In WiFi and Remote MonitoringThe Abatement Technologies AT200C AQUATRAP removes 110 pints per day ...

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Original price $2,597.00 - Original price $2,597.00
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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 $3,494.00 - Original price $3,494.00
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XPOWER XtremeDry Mojave XDP1 DIY Drying System – LGR, 4 Air Movers, HEPA, 110V

XPOWER
In stock

XPOWER XtremeDry Mojave DIY Pro-Drying System – Model XDP1 The XPOWER XtremeDry Mojave XDP1 is a pre-assembled water damage drying kit containing a...

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Original price $3,494.00 - Original price $3,494.00
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Original price $3,079.00 - Original price $3,079.00
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XPOWER XD-130Li LGR Dehumidifier – 125 PPD AHAM, 420 CFM, Bluetooth

XPOWER
In stock

XPOWER XD-130Li LGR Dehumidifier – 125 PPD AHAM, 420 CFM The XPOWER XD-130Li is a Low Grain Refrigerant (LGR) dehumidifier rated at 125 pints per d...

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Original price $3,079.00 - Original price $3,079.00
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Original price $1,112.00 - Original price $2,799.00
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Current price $2,148.00
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XPOWER XD-85L2 LGR Dehumidifier – 85 PPD AHAM, 145 PPD Sat, 180 CFM, 115V

XPOWER
In stock

XPOWER XD-85L2 Commercial LGR Dehumidifier The XPOWER XD-85L2 is an LGR dehumidifier rated at 85 PPD at AHAM conditions (80°F/60% RH) and 145 PPD a...

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Original price $1,112.00 - Original price $2,799.00
Original price $1,112.00 - Original price $2,799.00
Original price $1,112.00
Current price $2,148.00
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Current price $2,148.00
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Whole House Dehumidifiers for Centralized Residential Humidity Control

Why a Whole House Dehumidifier Outperforms Multiple Room Units

A whole house dehumidifier — properly sized at 100–266 PPD — handles the moisture load of an entire residential structure from a single chassis, replacing the need to deploy three or four portable units across the basement, crawl space, and main living areas. The capacity advantage matters in the southern US humid climate band, in homes with finished basements, and in any house where annual moisture intrusion exceeds what a single room unit can manage. The energy-efficiency advantage compounds — one large LGR unit running at 60% capacity moves more moisture per kilowatt-hour than four small units running at full capacity. The maintenance advantage matters too — one filter to replace, one drain configuration to verify, one unit to service.

LGR Capacity Bands for Whole House Dehumidification

Whole house dehumidifier sizing follows total square footage and moisture load rather than room count. A 1,500–2,500 sq ft home with normal moisture load and adequate ventilation is served by a 100–125 PPD unit (XPOWER XD-125Li, XD-130Li with Bluetooth telemetry). A 2,500–4,000 sq ft home or homes with high-moisture basements or crawl spaces step up to 165 PPD (XPOWER XD-165L). Homes over 4,000 sq ft, homes with documented humidity problems, or homes with attached spaces (basement plus garage plus crawl space) require 200+ PPD units (Abatement AT200C with WiFi, AT250RS at 266 PPD). The XPOWER XtremeDry Mojave XDP1 packages an LGR with four high-velocity air movers and HEPA filtration for whole-home water damage emergencies.

Related: LGR Dehumidifiers · Basement Dehumidifiers · Crawl Space Dehumidifiers · All Dehumidifiers

LGR vs Refrigerant for Whole House Application

LGR (Low Grain Refrigerant) dehumidifiers extend the operating envelope of standard refrigerant designs into the lower-humidity range. A standard refrigerant unit slows extraction below 55 grains per pound (GPP); an LGR continues extracting moisture down to 30–40 GPP. For whole-house applications, that range matters because effective dehumidification needs to maintain target humidity year-round, not just during peak summer humidity spikes. LGR units handle both the high-moisture summer load and the lower ambient humidity that follows once the home reaches target conditions. WiFi and Bluetooth telemetry on the AT200C, XD-125Li, and XD-130Li allow remote monitoring of moisture readings — useful for vacation homes, second properties, and any whole-house installation where the homeowner is not on-site continuously.

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