#1 selling home standby generator brand Generac's Guardian Series(R) 22kW generator with 200 amp whole home automatic transfer switch provides the automatic backup power you need to protect your home and family during a power outage. Now coming with FREE Mobile Link(TM), allowing you to monitor the status of your generator on a phone, tablet or computer from anywhere in the world. Generac's Guardian Series 22kW backup generator provides home and business owners with the best value per kilowatt available in the market today. Easy connections Connected to your existing LP or natural gas fuel supply, it starts within seconds of sensing power...