This electric patio heater is wall mounted. This heater is made of stainless steel and comes with a protective shield made of aluminum. It runs on ordinary 110 volt household current. The heater get up to full capacity in matter of seconds. The heater works with a no UV ray 1500 watt lamp. The heat is entirely clean with no emission at all. Very efficient, about ten percent of the cost of a LPG heater.