Ideal for heating large areas quickly and efficiently, the Devil 4000 is a propane gas powered heating unit manufactured specifically for spaces such as large workshops, warehouses, industrial units and more. Producing a minimum heat output of 250,000 BTU (70kW) and a maximum heat output of 400,000 BTU (117.2kW), the Devil 4000 can be adjusted to suit the requirements of the area it\'s heating and those around it. Featuring fuel safety cut out feature and approved to British and European standards, the Devil 4000 is the perfect large heater for industrial use.