HVAC cost estimator
Estimate your central air conditioner replacement below, or pick another HVAC project.
Central air conditioner replacement estimate
Adjust for your home and system. The estimate starts from our published range and narrows for the choices you make.
Adjusts the estimate to local cost levels. Pick a metro or leave on national.
Bigger homes need more cooling capacity (measured in tons).
Higher-efficiency units cost more upfront but use less power.
How we got this
Starts from our published central air conditioner replacement range of $3,500–$12,000, adjusted for:
- Home / system size: Average (1,500–2,000 sq ft · ~3 ton)×1
- Efficiency (SEER2): Standard (14–15 SEER2)×1
- Ductwork: Reuse existing ducts×1
These figures are planning estimates compiled from public cost data on the dates shown — not quotes, bids, or guarantees. Real prices vary widely with your home, location, materials, permits, and contractor. Always get itemized written quotes from licensed local pros before budgeting or hiring.
See the full breakdown, sources, and FAQ on the Central air conditioner replacement cost guide.