Definition
The number of years since installation of your heating and cooling systems. HVAC age is critical for estimating remaining lifespan and replacement timing.
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HVAC system lifespan ranges from 10-20 years depending on type, maintenance, and climate. Furnaces typically last 15-20 years; AC units last 10-15 years. Proper maintenance extends lifespan; neglect shortens it. Systems approaching the end of expected life require budgeting for replacement. Inspectors determine HVAC age from system labels or service records. Replacement costs range from $3,000-8,000 depending on system type and efficiency.
Pro Tip
Know your HVAC system's age and plan replacement before systems fail.
Example
A home inspection revealed the furnace was 18 years old and the AC unit was 14 years old. Both systems were operational but approaching end of life. The buyer budgeted $6,500 for furnace replacement and $4,200 for AC replacement within the next 2-3 years.