« Back to Glossary Index
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.
Menu
Menu
Office Hours:
Mon – Fri: 8am – 6pm
Emergency Hours:
On-Call Service Available From 8am-6pm
on Saturday and Sunday
© 2024 All Rights Reserved. One Call Heating & Cooling, LLC
Designed & Developed By: 