Higher wattage requirements need larger generators. Generac GUARDIAN® Series liquid-cooled models provide whole house backup power and are available for larger residential and light commercial applications. Exclusive Quiet-Test feature means you can be confident that the generator is ready to automatically power up when the power goes out. UL Listed. THIS ITEM CANNOT BE RETURNED If the power ever goes out, your Generac standby generator system goes on - automatically - protecting you and your home or business 24/7. The engine runs on existing natural gas or LP for a continuous, worry-free fuel supply. The reliable, increased horsepower of an automotive-style, liquid cooled engine provides whole house power protection for larger homes, and small to medium size businesses such as convenience stores, restaurants and offices. Only Generacs patented, Quiet-Test feature is an ultra-quiet, neighborhood-friendly self-test to validate operation Generac standby generators provide stable power for sensitive electronics such as heating and cooling, HD TVs, computers and more. Sturdy galvanneal steel enclosure with RhinoCoat paint finish delivers superior weather protection. Choose from a wide variety of transfer switches to best suit your application. Transfer switches and Battery (Group 26, 12 Volts and 525 CCA Minimum) sold separately. MFG Brand Name : Generac Power Systems MFG Model # : QT04524ANSN MFG Part # : QT04524ANSN