Annual Fuel Utilization Efficiency. A measure of a gas furnace’s efficiency in converting fuel to energy—the higher the rating, the more efficient the unit.
State Contractor #0053650
Clark County #1005751–240
City of North Las Vegas #65547
City of Henderson #2004300975
City of Boulder City #3–6-04–1017-6
City of Las Vegas #C12–01336-B-036209