Tag Archives: US Department of Energy

AFUE Rating – What is it and What Is Considered “Good”?

AFUE is one of the most important measures for heating appliances, including furnaces, boilers, or water heaters. If you haven’t heard the term AFUE before or don’t know exactly what it means – don’t worry, you aren’t alone. An AFUE (Annual Fuel Utilization Efficiency) rating – often displayed on a yellow sticker on the unit – is […]