The 100176 Champion 12.5-kW Home Standby Generator with 100-Amp Indoor-Rated Automatic Transfer Switch supplies up to 12 of your home’s most essential circuits including refrigerators, freezers, sump pumps, lights, furnace and air conditioning, computers, security systems, televisions, and much more with backup power during an outage. Whether you live in a quiet suburban neighborhood, small town, or out in the country, you’ll appreciate the exceptionally quiet operation of your Champion Generator 12kW. At just 63dB(A), this generator runs quieter than most competing units.