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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 $981.67 - Original price $981.67
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NIKRO 862486 CoilJet Portable HVAC Coil Cleaner – Battery Powered

Nikro
In stock

NIKRO 862486 CoilJet — Clean Coils Where Water and Power Don't ReachThe NIKRO 862486 CoilJet is a portable HVAC coil cleaning system for evaporator...

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Original price $981.67 - Original price $981.67
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Original price $3,333.34 - Original price $3,333.34
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NIKRO LGRII Low Grain Refrigerant Dehumidifier

Nikro
In stock

NIKRO LGRII Low Grain Refrigerant Dehumidifier for Restoration and Abatement CrewsThe NIKRO LGRII is a mold & flood remediation product built f...

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Original price $3,333.34 - Original price $3,333.34
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Original price $23.67 - Original price $23.67
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$23.67
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NIKRO 862149U EnviroCON HVAC Deodorizer – EPA-Registered, Ready to Use

Nikro
In stock

NIKRO 862149U EnviroCON Deodorizer — Chlorine Dioxide Odor Control for HVACNIKRO 862149U EnviroCON is an EPA-registered, ready-to-use HVAC deodoriz...

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Original price $23.67 - Original price $23.67
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Original price $23.67 - Original price $23.67
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NIKRO 862149S EnviroCON HVAC Deodorizer – EPA-Registered, No Masking

Nikro
In stock

NIKRO 862149S EnviroCON Deodorizer — Source Odor Control for Air-Duct WorkNIKRO 862149S EnviroCON is an EPA-registered, ready-to-use deodorizer for...

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Original price $23.67 - Original price $23.67
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Original price $100.34 - Original price $100.34
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NIKRO 860302U EnviroCON HVAC Deodorizer – EPA-Registered, Ready to Use

Nikro
In stock

NIKRO 860302U EnviroCON Deodorizer — Point-of-Contact Odor Control, No ScentNIKRO 860302U EnviroCON is an EPA-registered, ready-to-use HVAC deodori...

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Original price $100.34 - Original price $100.34
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Original price $100.34 - Original price $100.34
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NIKRO 860302S EnviroCON HVAC Deodorizer – EPA-Registered Odor Control

Nikro
In stock

NIKRO 860302S EnviroCON Deodorizer — Mold and Mildew Odor Control for DuctsNIKRO 860302S EnviroCON is an EPA-registered, ready-to-use deodorizer th...

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Original price $100.34 - Original price $100.34
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Original price $112.67 - Original price $112.67
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NIKRO 860253U EnviroCON HVAC Deodorizer – EPA-Registered, No Masking

Nikro
In stock

NIKRO 860253U EnviroCON Deodorizer — Chlorine Dioxide Odor Control, No FragranceNIKRO 860253U EnviroCON is an EPA-registered, ready-to-use HVAC and...

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Original price $112.67 - Original price $112.67
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$112.67 - $112.67
Current price $112.67
Original price $112.67 - Original price $112.67
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Current price $112.67

NIKRO 860253S EnviroCON HVAC Deodorizer – EPA-Registered, Ready to Use

Nikro
In stock

NIKRO 860253S EnviroCON Deodorizer — Source Odor Control for HVAC SystemsNIKRO 860253S EnviroCON is a ready-to-use, EPA-registered deodorizer for H...

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Original price $112.67 - Original price $112.67
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Original price $171.67 - Original price $171.67
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NIKRO 861556 BBJ Mold Control for HVAC – 15 oz Makes 7.5 Gal

Nikro
In stock

NIKRO 861556 BBJ Mold Control for Air Ducts and HVAC SystemsBBJ Mold Control is a concentrated antimicrobial for HVAC systems and air ducts that co...

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Original price $171.67 - Original price $171.67
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Current price $171.67

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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