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

Curious temperature changes and the hope of early spring can keep us holding out as we wait until the end of the winter season. With the unpredictable weather this time of year, it’s important to ensure that your furnace service is taken care of and that your furnace is prepared for any weather change. Part of possessing and using a furnace is being familiar with the system and preparing for when it might require repair or maintenance. A furnace’s AFUE (Annual Furnace Utilization Efficiency) is an important measurement to note and can inform you what kind of effectiveness you can look for from your system. If you are unaware of your AFUE, this percentage can be clarified at your next furnace service appointment from one of our professionals at McNatt Inc.

So, what does this AFUE rating indicate for you? What kinds of things should you consider with AFUE?


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

Bearing in mind the age of your furnace and the potential of overspending on your heating costs has hopefully given some perception into the weight of your furnace’s AFUE. There are many elements that go into selecting a new furnace or remaining with your furnace service plan. Over time still, smaller efficiency levels can drastically effect your energy usage, monthly bills and ease. Don’t disregard the AFUE rating of your furnace and reflect on it when deciding 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 present furnace, give our experts at McNatt Inc a call at 361-247-0605.

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