Furnace Service, AFUE and What They Mean for You in Pflugerville

December 31, 2015

Interesting temperature changes and the hope of early spring can keep us holding out as we wait until the end of winter. With the unpredictable weather this time of year, it’s important to make sure that your furnace service is taken care of and that your furnace is ready for any weather change. Part of possessing and operating a furnace is knowing the system and understanding when it might require repair or maintenance. A furnace’s AFUE (Annual Furnace Utilization Efficiency) is a significant measurement to note and can tell you what kind of productivity you can expect from your system. If you are unsure of your AFUE, this percentage can be determined at your next furnace service appointment from one of our experts at Evenaire Heating & Air Conditioning.

So, what does this AFUE rating suggest for you? What kinds of things should you take into account with AFUE?


  • The older your furnace is, the smaller its AFUE will also be. This means reduced energy efficiency compared to a new furnace every winter when your system is in use.
  • Compare your AFUE percentage proportionate to money – if your AFUE is 75%, that means that for every $100 you spend on heating your home, only $75 is being used to heat your home.

Bearing in mind the age of your furnace and the possibility of overspending on your heating costs has hopefully provided some understanding into the importance of your furnace’s AFUE. There are many things that go into choosing a new furnace or remaining with your furnace service plan. Over time still, lower efficiency levels can radically influence your energy usage, monthly bills and ease. Don’t disregard the AFUE rating of your furnace and reflect on it when determining whether it’s time for furnace replacement.

If you have any further inquiries about furnaces, or you just want some help verifying the AFUE rating of your existing furnace, give our specialists at Evenaire Heating & Air Conditioning a call at 512-355-1482.