The Generac RD03022ADAE is a top-of-the-line standby generator that offers plenty of features to appeal to any buyer. It has an automatic starting system, as well as the option for manual operation. The engine is a 2200cc Perkins model that runs at 1800RPM. It also has a 61-gallon fuel tank, meaning it can run for 41.6 hours at 50% capacity. In terms of noise level, the RD03022ADAE is pretty average at 65-70 dB. Moreover, it does have a 5-year limited warranty to give buyers some peace of mind.