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High Capacity Dehumidifiers

High capacity dehumidifiers handle warehouses, construction sites and major water losses where standard units cannot keep pace. LGR models up to 266 pints per day from Abatement Technologies and XPOWER.

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XPOWER XD-165L LGR Dehumidifier – 165 PPD AHAM, 476 CFM, 115V

XPOWER
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XPOWER XD-165L Low Grain Refrigerant (LGR) Dehumidifier The XPOWER XD-165L is an LGR dehumidifier rated at 165 PPD at AHAM conditions (80°F/60% RH)...

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Abatement Technologies AQUATRAP AT250RS LGR Dehumidifier – 266 PPD Saturation / 147 AHAM, 413 CFM, 115V

Abatement Technologies
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Delivers in 3–8 business days

AT250RS for Structural Drying and Restoration AT250RS removes moisture during structural drying, disaster restoration, and abatement work at 147 PP...

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Abatement Technologies AT200C LGR Dehumidifier – 110 PPD AHAM, 470 CFM, WiFi

Abatement Technologies
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Delivers in 3–8 business days

AT200C for Structural Drying and Restoration AT200C is a portable LGR dehumidifier for contractors who need faster structural drying on restoration...

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NIKRO LGRI Low Grain Refrigerant Dehumidifier – 74 PPD AHAM, 134 PPD Saturation

Nikro
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Delivers in 3–8 business days

Compact LGR Dehumidifier for Water Damage Restoration The NIKRO LGRI is a low grain refrigerant dehumidifier that pulls 74 pints per day at AHAM co...

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NIKRO LGRII Low Grain Refrigerant Dehumidifier – 147 PPD AHAM, 266 PPD Saturation

Nikro
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Delivers in 3–8 business days

High-Capacity LGR Dehumidifier for Commercial Water Losses The NIKRO LGRII is a low grain refrigerant dehumidifier that pulls 147 pints per day at ...

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$1,953.00
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XPOWER XD-85LH LGR Dehumidifier – 145 PPD Saturation / 85 AHAM, Auto Purge Pump, 180 CFM, 115V

XPOWER
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Delivers in 3–8 business days

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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XPOWER XD-130Li LGR Dehumidifier – 125 PPD AHAM, 420 CFM, Bluetooth

XPOWER
Out of stock
On backorder

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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XPOWER Viking CD-90L LGR Dehumidifier – 85 PPD AHAM, 180 CFM, R32

XPOWER
In stock
Delivers in 3–8 business days

LGR Dehumidifier with R32 Refrigerant and Auto Purge Condensate PumpThe XPOWER VIKING CD-90L removes 85 pints per day at AHAM conditions (80°F, 60%...

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XPOWER XD-125Li LGR Dehumidifier – 125 PPD AHAM, Bluetooth, 420 CFM

XPOWER
In stock
Delivers in 3–8 business days

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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XPOWER XD-85L2 LGR Dehumidifier – 85 PPD AHAM, 145 PPD Sat, 180 CFM, 115V

XPOWER
In stock
Delivers in 3–8 business days

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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High Capacity Dehumidifiers for Large Spaces and Industrial Moisture Loads

What "High Capacity" Means in a Dehumidifier Specification

A high capacity dehumidifier delivers 100+ pints per day (PPD) AHAM-rated extraction — the threshold where a single unit replaces multiple smaller dehumidifiers on large jobs. Capacity scales by airflow (CFM) and refrigeration tonnage; the LGR units in this collection range from 110 PPD to 266 PPD AHAM with airflow from 400 CFM to 470+ CFM. The capacity advantage matters in three scenarios: water damage restoration on large losses, industrial process drying where moisture removal must keep pace with continuous moisture generation, and whole-facility humidity control where total square footage exceeds what mid-capacity units can serve.

Sizing High Capacity by AHAM PPD vs Saturation PPD

Two PPD numbers appear on dehumidifier spec sheets: AHAM PPD (measured at 80°F, 60% RH) is the cross-comparable industry standard, while Saturation PPD (measured at higher humidity levels) is a larger marketing number. Match the AHAM rating to the application's typical operating conditions. For active drying jobs where humidity is initially high then drops, the AHAM number is the realistic sustained capacity. The Abatement AT200C delivers 110 PPD AHAM (470 CFM, WiFi-enabled). The XPOWER XD-165L hits 165 PPD AHAM (476 CFM). The Abatement AT250RS is the heaviest unit at 266 PPD with 400 CFM airflow at 115V — the workhorse for commercial water losses, large-loss residential, and industrial process drying.

Related: LGR Dehumidifiers · Warehouse Dehumidifiers

High Capacity Operating Considerations

High capacity dehumidifiers consume more electrical power than smaller units — most 110V LGR units draw 6–9 amps at peak demand. Verify circuit capacity before deployment, especially in restoration scenarios where the unit may share circuits with high-draw air movers or HEPA negative-air machines. Pump-out drain configurations matter on large units because tank-empty cycles interrupt continuous extraction. Onboard hour meters and Bluetooth/WiFi telemetry on the AT-series and XD-series simplify compliance documentation on insurance-billed jobs. For three-phase commercial service applications, confirm the unit's electrical service compatibility before specification.

Frequently Asked Questions

What is considered a high capacity dehumidifier?
100+ pints per day (PPD) AHAM-rated extraction is the threshold for high capacity. Below 100 PPD is residential and small commercial. 100–165 PPD covers restoration mid-tier and whole-house duty. 200+ PPD covers commercial water losses, industrial process drying, and large-facility humidity control. Match to actual moisture load rather than over-specifying.
What is the difference between AHAM PPD and Saturation PPD?
AHAM PPD is measured at 80°F and 60% RH — the standardized, cross-comparable industry rating. Saturation PPD is measured at higher humidity and produces larger numbers used in marketing. For practical sizing, use AHAM PPD because it represents typical sustained operating conditions on real drying jobs.
Can I run a high capacity dehumidifier on a standard 110V circuit?
Most units on this page are 115V and run on a standard 15-amp circuit. Sharing is where it goes wrong: put a dehumidifier, a few air movers and a negative-air machine on one circuit and the breaker decides when the job stops. Give the larger units a circuit of their own, and read the nameplate on the specific machine rather than assuming from its class, because current draw varies more than capacity does. The Abatement AT250RS at 266 PPD and 400 CFM is the biggest unit here.
How do I size a high capacity dehumidifier for a warehouse or large facility?
Sizing follows volumetric airflow and moisture load. Calculate cubic feet (length × width × height), determine required air changes per hour for the application, multiply, and divide by 60 for required CFM. Match the dehumidifier's airflow rating to that requirement. Add 30–50% margin for moisture load uncertainty and seasonal variation. Confirm with a moisture survey for any commercial installation over 5,000 sq ft.
Are these high capacity dehumidifiers suitable for continuous 24/7 operation?
Yes. All units in this collection are designed for continuous duty with auto-restart after power interruption, integrated pump options, and onboard hour meters for runtime tracking. The Abatement AT-series and XPOWER XD-series are routinely deployed for multi-week continuous operation on commercial restoration jobs and industrial process drying applications.

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