The quietest generator in its Elegance Options exceptionally low vibration levels at 67 decibels. Runs two air conditioners with power to spare. RV QG 5500 generators are perfect for Elegance A motorhomes (2 air conditioners), Elegance C motorhomes, and 5th wheels. RV QG 6500 and 7000 generators are perfect for Elegance A motorhomes (2 air conditioners) and Elegance A diesel motorhomes. Options integrated design with enclosed muffler for simple installation, self-diagnostic capacity to simplify troubleshooting, and digital voltage regulation for stability as appliance so much amendment. (CA residents: fifty five-0049, 5500W Gasoline Evaporative or fifty five-0057, 7000W Gasoline Evaporative are for when the usage of a fuel tank separate from the propulsion engine.) 1/box.