Standard Heating & Air Conditioning
  • 612-824-2656
  • Facebook
  • Twitter
  • Google+
  • Order Filters
  • Repair
  • Replace
  • Maintain
  • Specials
  • Schedule
  • Finance
  • Contact
  • Company
  • How To's
  • Products
  • Smart Club
  • Careers
  • About
  • Blog
  • FAQ
  • Go Green

In response to COVID-19 please click here to learn more about our no contact protocol.

Blog Menu

  • Recent Posts
  • Archives
  • Categories
  • Article Tags

Blog Search

Ask The Expert: AFUE (Annual Fuel Utilization Efficiency)

Published on October 2nd, 2013  :  Comments are Closed

Posted in Environment, Heating | Furnace

WHAT’S THE HVAC BUZZWORD? AFUE!

With the fall/winter season upon us, many homeowners in the Twin Cities are wondering if their furnace will make it another year. Some of them, in fact, wait until the equipment breaks to buy a new one; these people take many risks, including not knowing what AFUE means. However, as a smart consumer, they are the ones who research the topic that matter most to them, like efficiency of their new installed system.

What’s AFUE (Annual Fuel Utilization Efficiency)? The term AFUE was established in 1978; AFUE is a measurement of heating output to energy consumed over a heating season.

Why should you care? An AFUE rating of 70 percent means that all but 30 percent of the fuel energy consumed, was converted to heat for the home. In other words, if you spend $100 heating your home, it means that $30 went up the chimney! Literally you’re “burning money.”

Does AFUE mean peak efficiency? It does not. the AFUE rating is intended to express the average annual furnace efficiency (not peak efficiency), taking into account standby and startup/shutdown heat losses.

Does AFUE guarantee efficiency of installation? No. there are factors that are not included in the AFUE calculations, like the heat losses through the duct and piping system, whether the system is the right size for the home, and temperature control issues. Unfortunately, more than half of new furnace systems in U.S. homes do not perform to their rated efficiency as a result of improper installation. In fact, improper installation can reduce performance by as much as 30%.

What are the regulations around AFUE? The U.S. Department of Energy has a set minimum AFUE standard for furnaces. The current minimum AFUE is 78 percent for a gas forced air furnace. High-efficiency furnaces start at 90 percent AFUE.

Since 2006, Standard Heating has been partnering with the US Environmental Protection Agency (EPA) and the Department of Energy (DOE) in promoting products that use less energy while providing the same or better performance than conventional designs. Use of these ENERGY STAR heating and cooling equipment is an excellent way for us to help prevent pollution, protect the global environment, and help you save on energy bills. To learn more visit our ENERGY STAR page or call us today!

Minneapolis Location

612-824-2656
Schedule an Appointment

Saint Paul Location

651-772-2449
Schedule an Appointment
« Furnace Maintenance and Care
Duct Cleaning: Is it worth it? »

Comments are Closed

Providing the Comfort You Deserve...Since 1930.

Saint Paul Location

1082 Payne Avenue
St. Paul, MN 55130
Store hours

(651) 772-2449

Minneapolis Location

130 Plymouth Avenue N
Minneapolis, MN 55411
Store hours

(612) 824-2656

Products & Services

  • Smart Club
  • Indoor Air Quality
  • Products
  • Order Filters
be_ixf;ym_202101 d_27; ct_50
  • be_ixf; php_sdk; php_sdk_1.4.26
  • https://www.standardheating.com/2013/10/02/furnace_efficiency_afue/
  • https://www.standardheating.com/2013/10/02/furnace_efficiency_afue/
  • Facebook
  • Twitter
  • Google+
  • Privacy Notice
  • Service Area

© 2021 Standard Heating & Air Conditioning. All Rights Reserved.