Heatstar PRO-SERIES Indirect Fired Heater are highly efficient devices that provide large volume of 100% clean, dry and fume free warm air. Powerful internal fans along with a heat exchanger allow the placement of this heater outdoors while delivering heated air up to 50’ through ducting at 1,060 CFM, thereby eliminating exposure to fumes inside. Either place the heater outside the space and duct the warm air in or for a fuel savings you can place the heater in the space to be heated and vent the exhaust out. Optional thermostat available for constant temperature control. Automatic electric safety and control devices are standard equipment. Uses: Kerosene, Diesel 1# or 2#, Fuel Oil, Jet A fuel.