HVAC Replacement Cost Guide (2026)
Published cost data with sources, so you can judge your quote. Not sure about your number? Get it checked.
Published averages give you a starting point for judging a quote. Your price will depend on home size, system type, efficiency, ductwork, local labor rates and permits.
Central air conditioner replacement
| Source | Figure | Notes |
|---|---|---|
| Angi (2026 data) | National average $5,978; typical range $3,887–$8,073 | Based on 24,979 projects. Ductwork changes can add $3,000–$7,500. |
| This Old House (2026) | Average $8,460 for central AC | Survey of 1,000 homeowners. |
Full residential HVAC system installation
ServiceTitan invoice data shows an average of $17,040 for a full residential HVAC installation in 2025, with state averages ranging from under $9,000 (South Dakota, Minnesota, Wisconsin) to nearly $26,000 (Connecticut).
Why 2025–2026 quotes are higher: the refrigerant change
Under EPA’s Technology Transitions rule, new residential AC and heat-pump systems moved from R-410A to lower-GWP A2L refrigerants such as R-454B and R-32 (US EPA). Carrier said its R-454B base prices would be about 10% above R-410A, rising to 15–20% over two years (ACHR News). EPA has said previously manufactured R-410A equipment may still be installed, so ask which refrigerant your quote includes.
Efficiency ratings and rebates
- Efficiency labels (SEER2, HSPF2, AFUE) and certified models: ENERGY STAR Product Finder.
- How heat pumps and central AC work: DOE Energy Saver-Heat Pumps, DOE-Central AC.
- Local utility rebates: DSIRE database.
What a good quote should list
- Brand, model numbers for every unit (outdoor, indoor coil/air handler, furnace, thermostat)
- Capacity (tons/BTU) and how it was sized (e.g. a Manual J load calculation)
- Efficiency rating and refrigerant type
- Ductwork, electrical, pad, line set, removal and disposal
- Permit and inspection
- Equipment and labor warranty terms
Frequently asked questions
How much does AC replacement cost in 2026?
Angi reports a 2026 national average of $5,978, with a typical range of $3,887 to $8,073, based on 24,979 projects.
Why are HVAC quotes higher since 2025?
New systems moved to A2L refrigerants such as R-454B. Carrier said R-454B base prices would be about 10% above R-410A, rising to 15-20% over two years.
What should a good HVAC quote list?
Model numbers for every unit, capacity and sizing method, efficiency rating, refrigerant type, ductwork and electrical work, permits, and warranty terms.
Not sure about your number? Get a $39 Quote Check.
Figures are published averages, not quotes or guarantees. Last checked: 2026-10-23.