Keep workers and equipment warm on the construction worksite with a heater rental. Indirect fired heaters work well for smaller spaces or environments where people live or work. This type of heater functions in a way that reduces the amount of CO2 released into the air, which is ideal for smaller or enclosed spaces. This indirect fired heater is diesel powered, offering a 750,000 BTU heat index. This indirect fired heater has a three-phase 230V power with a 16.5-amp maximum power draw. Note the clearance to combustibles: outlet equals 3', sides equal 0.5', top equals 1.5' and back equals 0.5'. Use this indirect heater for commercial and industrial heating needs.