"This Mr. Heater Hero Cordless Forced Air Propane Heater provides powerful, super-quiet heat with no cords to get in the way. Delivers 30,000 to 60,000 BTU yet stays cool to the touch and is 50 quieter than other forced air heaters. Blower Included Yes, Blower CFM 300, Clearance from Side Wall in. 24, Clearance from Corner in. 24, Clearance from Rear Wall in. 24, Thermostat Included No, Fuel Consumption gal./hr. 1.39 lbs./hr., Dimensions L x W x H in. 11 x 20 x 15, Blower Power Supply Volts, Amps 110, BTU Output 60,000, Category Type Forced air, Remote Included No, Heat Settings 2, Igniter Electronic ignition, Needs Direct Venting No, Oxygen Depletion Sensor No, Regulator Included Yes. New Quiet Burner technology makes heater 50 quieter than standard forced air heaters Great for jobsites, utility buildings, sporting events and more Built-in rechargeable battery runs up to 4 hours per charge and can be used while charging Runs for up to 7 hours on a 20-lb. tank not included Sturdy handle for easy transporting"