State cost guide
California: HVAC Replacement Cost Calculator
Replacing an HVAC system in California typically costs between $5,000 and $12,000 installed, depending on system type, home size, and efficiency tier.
Worked example
For a 1,800 sq ft home in California replacing a central AC at standard efficiency with existing ductwork in good shape, most homeowners pay in the middle of the local range.
Frequently asked questions
How much does HVAC replacement cost in California?
Most California homeowners pay between $5,000 and $12,000 for a full HVAC replacement, with heat pumps at the higher end before incentives.
Does the estimate include installation?
Yes — the ranges shown include both equipment and labor for a standard installation.