Solaria Electric Infrared Heater - Commercial-Grade, Indoor/Outdoor, 3000 Watt- 240 Volts Super efficient operation costs just pennies per hour, converting 92% of consumed energy into comfortable heat Weatherproof casing is safe for use indoors or outdoors Heats instantly with no initial warm up time Modular design allows for easily adjusting heat loads Silent, odorless operation with no risk of combustion,240 Volts