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

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

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

Technology enhancements—There have been many recent advances in HVAC technology, especially in energy efficiency, air filtration and quiet running. You’ll have these perks throughout the year when you update both units.

Improved heating and cooling efficiency—Efficiency ratings are based on matching unit performance. While adding a single new unit will result in better performance, efficiency will be lower from what it was designed 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Equipment age—If your AC is 10 years old (or older), your heater is likely just as outdated. Switching both means you’ll enjoy lots of years of efficient comfort, regardless of the season.

Updated warranty—A new set of equipment also means you’ll receive new equipment warranties. You’ll get peace of mind knowing the warranty protects your total system for the same amount of time.

At first glance, replacing only your cooling system or heater may feel like a good decision. But it’s not a very good decision when you include lower efficiency.

Getting an entirely new system might be more expensive, but you earn much better efficiency, reliability and comfort for long into the future in Livermore.

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