Keep workers and equipment warm on the construction worksite with a heater rental. Portable, self-contained direct fired heaters are efficient in fuel consumption and work hard to keep the air around them at a comfortable temperature. Direct fired heaters are an ideal option for larger spaces or well-ventilated spaces. This direct fired heater offers 400,000 BTU with propane and natural gas dual-fuel capabilities. This heater has a 115V/20 amp with a 20-amp maximum power draw. Note the clearance to combustibles: outlet equals 12', sides equal 2', top equals 4', and back equals 2'. Use this direct heater for commercial heating needs.