Product Type Suspended Infrared Flat Panel Heater Fuel Type Natural Gas Heating Capacity Input 60 000 BtuH Min Mounting Height 12 to 14 ft Floor Coverage @ Minimum Mounting Height 16 ft x 16 ft Overall Height 22 1/2 in Overall Width 19 1/8 in Overall Depth 15 1/4 in Mounting Height 14 to 16 ft Typical Coverage @ Mounting Height 18 ft x 18 ft Mounting Location Ceiling Mounting Type Chain Suspension For Use Indoors/Outdoors Indoor Use Only Control Voltage 120 V AC Frequency 60 Hz