Generac Guardian Series 6052 14,000 Watt Air-Cooled Liquid Propane/Natural Gas Powered Standby Generator With Transfer Switch (Discontinued by Manufacturer) Automatic, hands - free backup power supply that kicks in within ten seconds Sturdy, galvanneal steel enclosure with RhinoCoat finish for superior weather protection , modeled to withstand 150 mph winds TruePower technology provides clean, smooth operation of sensitive electronics and appliances QuietTest mode for a weekly self-test thats quieter than other brands Non-CARB Compliant/Not For Sale In California