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

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

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

Technology advancements—There have been a lot of recent improvements in HVAC technology, especially in energy efficiency, air filtration and quiet running. You’ll receive these benefits year-round when you improve both units.

Improved heating and cooling efficiency—Efficiency rankings are formed on matched unit performance. While getting a lone 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 large as they’d be with matching units.

Equipment age—If your air conditioner is 10 years old (or older), your furnace is likely just as old. Replacing both means you’ll have many years of efficient comfort, whatever the season.

Updated warranty—A new set of units also means you’ll have up-to-date system warranties. You’ll have peace of mind when you realize the warranty covers your whole system for the same period of time.

At first glance, replacing only your cooling system or heating system can feel like a smart decision. But it’s not quite a good bargain when you consider decreased efficiency.

Getting an entirely new system might cost more, but you receive much better efficiency, reliability and comfort for years to come in Long Island.

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