King Electric KBP Compact Heating Unit, 4000 Watt, 1-Ph, 13,652 BTU - 277 VoltThe KBP is the industry standard for multi wattage garage shop heaters. It even provides an idea solution for Greenhouse heating. Designed for rugged performance, the flow through design efficiently moves air by pulling air from the back of the heater and discharges it out the front, easily heating a large space. With high quality components suitable for both residential and commercial applications, it comes standard with a 3 position switch and an