Guardian Generatorby Generac Power Systems

This redesigned 20 kilowatt generator is smaller and more powerful than standard units. The air-cooled unit can handle all circuits, including central air conditioning, without shutting off others and features automotive-style enhancements that result in extended oil change intervals. It has an LCD digital control panel and optional remote monitoring. Guardian by Generac Power Systems. 888-436-3722. www.generac.com.