Steele Product's new SP12000N offer's the most cost effective generators among its competitors, in addition to some extra features. It has a robust 12000W power supply, and runs 11 hours at 1/2 load. It is ultra quiet at 76dB. And it includes hour meter and wheel kit for your convenience. The push electric start feature would be a great help, and the battery comes with the generator for free. EPA Approved. Please note 240V socket is 30amps.