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

Our answer is, it’s a great approach. Here's why.

Coordinated design—Your furnace. This might help enhance energy efficiency and performance.

Technology enhancements—There have been many recent increases in HVAC technology, especially in energy efficiency, air filtration and quiet heating and cooling. You’ll have these advantages all year when you update the complete system.

Better heating and cooling efficiency—Efficiency rankings are formed on matching unit performance. While getting one new unit will result in better performance, efficiency will be decreased from what it was engineered to be. And your savings will not be as much as they’d be with matching equipment.

Equipment age—If your AC is 10 years old (or older), your furnace is likely just as dated. Switching both means you’ll enjoy many years of efficient comfort, whatever the weather.

Up-to-date warranty—A new set of units also means you’ll have valid product warranties. You’ll receive peace of mind when you realize the warranty defends your total system for the same time period.

It would appear replacing only your AC or furnace could seem like a smart decision. But it’s not quite a good choice when you include reduced efficiency.

Getting an entirely new system could cost more, but you receive much higher efficiency, reliability and comfort for many years in Hilton Head Island.

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