The Hoffman® Genesis™ top-mount indoor air conditioner is ideal for locations where there is little or no clearance around the enclosure. Operating temperature range: 50°F to 125°F (10°C to 52°C). Reciprocating compressor, earth-friendly refrigerant, reliable mechanical thermostat, and clean, reusable aluminum mesh filter protects coils. Attractive industrial design with minimal use of visible fasteners. Mild steel sheet metal cover for rugged environments. Includes mounting hardware, gaskets, and user manual.