0 Comfort Zone. America’s Heating and Cooling Choice CZ220 HEAVY ELECTRIC UTILITY HEATER c us Intertwine Save These Instructions DESCRIPTION Electric utility heaters are designed to meet a varsity of heating requirements. Heat output ranges from to 11,285 BTU per hour to 17,085 BTU per hour. Features horizontal and vertical flow (horizontal air throw approximately 188), built-in thermostat and high limit thermal cutout. SPECIFICATIONS BOSTONIAN: © Wilts. 5000W it 2400. 60Hz 1 209 17,065 4000W it 240v.