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300 Pint Dehumidifiers

300-pint dehumidifiers are the highest-capacity portable dehumidifiers available, extracting up to 37.5 gallons of water per day for large-loss water damage restoration and industrial moisture control. High extraction capacity reduces the number of units needed on major commercial flooding projects, simplifying logistics and setup. Used by large-loss restoration contractors handling commercial buildings, multi-unit residential flooding, and industrial facilities where standard-capacity units cannot keep pace with the moisture load.

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

300-Pint Dehumidifiers for Large-Loss Restoration and Industrial Drying

When 300-Pint Capacity Is Needed

Standard restoration dehumidifiers run at 70–175 pints per day — appropriate for single-family homes and small commercial losses. When a commercial building floods, a multi-story structure takes water damage, or an industrial facility needs rapid moisture reduction, the cumulative moisture load exceeds what several standard units can address efficiently. A 300-pint unit extracts 37.5 gallons per day — the highest portable capacity available — allowing restoration crews to address large moisture loads with fewer machines. Fewer machines means fewer power circuits, less hose management, less equipment to transport and set up, and faster project completion timelines that reduce secondary damage from prolonged moisture exposure.

Large-Loss Project Logistics

Large-loss restoration contractors — those specializing in commercial flooding, catastrophic water events, and institutional facilities — maintain 300-pint units specifically for jobs where standard equipment cannot meet the extraction demand within acceptable drying timelines. Insurance adjusters and restoration standards (IICRC S500) specify drying timelines; failing to meet them can compromise claims and create disputes over secondary damage. High-capacity units close that gap. The tradeoff is equipment cost and weight — 300-pint units are heavier and more expensive than standard restoration dehumidifiers, making them a specialty item for large-loss work rather than everyday residential jobs.

Related collections: LGR Dehumidifiers · Restoration Equipment · Dehumidifiers for Mold · Whole House Dehumidifiers

Industrial-Grade Construction

At 300-pint capacity, dehumidifiers use large commercial compressors, high-capacity refrigeration systems, and heavy-duty housings built for continuous operation in active restoration environments. These are not residential or light-commercial machines — they run 24 hours a day for days or weeks on large losses, in conditions that include debris, construction activity, and temperature extremes. Industrial construction with reinforced housings, commercial-grade compressors, and wheeled bases for moving through large facilities is standard at this capacity level. Continuous drain connection is essential — at 37.5 gallons per day, manual tank emptying is not practical and drain hose routing is a standard part of setup on every job.

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