Electric Patio Heater

A burner on top of a pole, it burns natural gas, liquefied petroleum gas (LPG), propane or butane, and directs the flames against a perforated metal screen. Heat is radiated from the surface of the screen in a circular pattern around the appliance.How do electric patio heaters work? Electric infrared patio heaters convert electricity into infrared heat via a heating element or lamp. This heat is transmitted by electromagnetic waves through the air until it reaches an object (they do not heat the air itself).