When substituting the outdoor system, should the indoor unit also be replaced?

Our answer is, it’s a smart method. Here's why.

Matched design—Your furnace. This might help better energy efficiency and performance.

Technology advancements—There have been many recent advances in HVAC technology, especially in energy efficiency, air filtration and quiet heating and cooling. You’ll get these advantages year-round when you improve both units.

Better heating and cooling efficiency—Efficiency ratings are determined on matching equipment performance. While getting one new unit will improve performance, efficiency will be lacking from what it was designed to be. And your savings will not be as much as they’d be with a matched system.

Equipment age—If your AC is 10 years old (or older), your furnace is likely just as dated. Replacing both means you’ll enjoy lots of years of efficient comfort, no matter the season.

Up-to-date warranty—A new set of equipment also means you’ll receive new system warranties. You’ll receive peace of mind when you know the warranty protects your entire system for the same time period.

At first glance, installing just a new AC or heating system might feel like a smart decision. But it’s not a very good choice when you include decreased efficiency.

Getting an entirely new system could be costlier, but you receive much higher efficiency, reliability and comfort for long into the future in Nashville.

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