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

Our response is, it’s a wise approach. Here's why.

Matched design—Your furnace. This can help improve energy efficiency and performance.

Technology advancements—There have been abundant recent increases in HVAC technology, especially in energy efficiency, air filtration and quiet operation. You’ll receive these advantages throughout the year when you improve both units.

Higher heating and cooling efficiency—Efficiency ratings are calculated on matched equipment performance. While adding a lone new unit will enhance performance, efficiency will be lacking from what it was designed to be. And your savings will not be as large as they’d be with matching equipment.

Equipment age—If your AC is 10 years old (or older), your heating system is likely just as dated. Changing both means you’ll enjoy a lot of of years of efficient comfort, no matter the time of year.

Up-to-date warranty—A new set of units also means you’ll have updated system warranties. You’ll have peace of mind when you realize the warranty protects your complete system for the same time period.

At first glance, replacing only your AC or heating system may appear to be a smart decision. But it’s not a great bargain when you factor in reduced efficiency.

Getting an entirely new system could be costlier, but you receive much more efficiency, reliability and comfort for years to come in Tempe.

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