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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 roughly 37 gallons per day. Crews cover a large moisture load 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 this capacity the collection splits two ways. Three are refrigerant, all with built-in pumps: the Namco P649, and the Dapper DP-CD1130 and DP-CD1131, rated for 24,000 and 30,000 square feet respectively. The two Ebac DD900 units are desiccant instead, rated down to -4°F, which is where a refrigerant machine loses most of its capacity. Both types use 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.
Free Sizing Tools
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Dehumidifier Sizing Calculator
Enter room size and conditions to get the right pints-per-day capacity for your space.
Use the calculator →Air Scrubber Calculator
Match CFM and air changes per hour to your room for mold, dust, and restoration jobs.
Use the calculator →Floor Scrubber Selector
Size a walk-behind or ride-on scrubber to your floor area and cleaning schedule.
Use the calculator →Water Damage Equipment Calculator
Plan how many air movers and dehumidifiers a water-loss job needs, by class and size.
Use the calculator →