The Alorair Sentinel HDi90 dehumidifier offers efficient dehumidification in spaces up to 2,600 sq. ft. in size. This crawl space dehumidifier features a horizontal design with built-in handles, making it easy to maneuver and fit in crawl spaces or basements. The HDi90 operates in low temperatures down to 34°F and has a hot gas defrosting system to clear ice from the dehumidifier's coils. In addition, the HDi90 is equipped with a built-in pump for continuous drainage. The Sentinel HDi90 provides other notable features including bucket-full protection, an R410A refrigerant and a optional remote humidistat. The Alorair Sentinel HDi90 dehumidifier with built-in pump will effectively control moisture issues in your home or commercial space.