Guardian QuietSource Aluminum 16,000 Watt Standby Generator 5244 (Discontinued by Manufacturer) 16,000-watt (LPG)/15,000-watt (NG) generator can run 5-ton A/C unit or two 4-ton A/C units with 16 circuits of extra coverage Whisper-Test technology reduces exterior noise to minimum Corrosion-resistant aluminum enclosure for durability; 992 cc 30-horsepower Overhead Valve Industrial engine Pre-packaged and pre-wired for easy installation Non-CARB Compliant/Not For Sale In California