Are you looking to upgrade to a new furnace for your Rogers, Arkansas, home? If so, you’ll have to look at several factors to make sure the financial investment is worth it. One such factor is the model’s efficiency, measured by the AFUE rating. Let’s see how to understand an AFUE rating and what it means when you’re upgrading your heating system.
What’s an AFUE Rating?
The Annual Fuel Utilization Efficiency (AFUE) rating tells you how much heat the furnace will produce compared to how much energy it needs to produce it. If you see a furnace with an 85% AFUE, that means 85% of the energy becomes heat while 15% of that energy is lost. Meanwhile, a furnace with a 95% AFUE is 95% efficient.
Don’t I Want the Highest Rating?
It’s easy to think that getting the highest AFUE-rated furnace makes the most sense — it’s going to lose the least amount of energy, right? Well, there are some details like the type of furnace and the location of it to consider first.
Lower AFUE-rated furnaces use open combustion to generate heat from natural gas. Meanwhile, higher AFUE-rated furnaces use sealed combustion. In this type of heating system, the furnace sucks in air from the outside via a dedicated PVC pipe.
If your furnace is in a well-ventilated area, gases from the open-combustion process won’t pose a risk. Replacing your unit with a higher-rated one might be tricky and more expensive because of needing to create a loop for the combustion air to enter the system. It would be best to stick to a lower-rated unit, like 80-85%.
But if your heating system sits in a sealed attic, you need a furnace with a vent that sucks in air and expels exhaust. For safety reasons, you should get a higher-rated furnace.
If you need help figuring out which furnace is best for your home, call Morrow Heat & Air, LLC at (866) 821-7712. One of our service technicians will gladly help you find the best furnace for the highest energy efficiency.
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