Generac 7036 is propane and natural gas-powered whole-house generator with 16,000 starting watts and 9,600 running watts. It has an automatic start when the power goes out or you can use the push-button electric start. It features a G-Force engine that's easy to maintain and durable enough to run for hours at full speed without overheating. It runs at 55-67 dB(A). The 5-year limited warranty makes it a great choice for your home backup needs.