This rental canopy heater is thermostatically controlled for a consistent, comfortable environment. Can easily be converted to and from propane or natural gas heater. Operates as both a fresh air circular or a heater at the touch of a switch. Easy to set up. Super quiet and efficient. Fuel consumption of 1.88 GPH.  Suggested to be used with two 100 lb propane tanks (we offer what is called a splitter to join the two propane tanks together).  Can use with either a diffuser or a duct.  AMPs : 15 amps.  Machine Length : 30.625 in.  Machine Width : 18.25 in.  Machine Height : 31.125 in.  Weight : 193 lbs