The Sentinel WHD 150 dehumidifier features a high-capacity moisture removal system, extracting up to 140 PPD at AHAM (80 deg F, 60% RH) and 115 pints per day at DOE Whole House (73 deg F, 60% RH). Designed for spaces up to 3500 square feet, this heavy-duty unit meets the demands of virtually any whole house, crawlspace, commercial, and industrial applications, providing comprehensive humidity control solutions for diverse environments. High Efficiency Dehumidifier Multiple Duct Mounting Options to Meet Your Needs Specifically Designed for Whole House & Crawl Space & Basement & Commercial Specifications Size For 3500 Sq.Ft Current 115V/6.5Amps COP 3.7L/KWh(AHAM), 3.4L/KWh(DOE) AHAM, (80 deg F, 60% RH)(Pints) 140 Pints DOE Whole House (73 F, 60% RH) 115 PPD Filters MERV-1 Filter, MERV-10 Filter Sound Pressure Level 64dBA Airflow 309CFM, 383CFM Refrigerant R32 Defrosting Control System Auto Defrosting Functioning Humidity Range(%)