AC Replacement Cost Calculator
Last updated: October 15, 2026
Estimate central air-conditioning replacement cost including equipment, labor, ductwork, electrical work, permits, removal, rebates and contingency.
Starting figures illustrate this model. Enter your own measurements, quoted costs and applicable terms; this page does not retrieve live prices or provider rates.
Estimated net AC replacement cost
—
- Gross project cost: —
- Estimated contingency: —
- Rebates and incentives: —
- Estimated installed cost before rebate: —
On this page
Quick summary: Estimate central air-conditioning replacement cost including equipment, labor, ductwork, electrical work, permits, removal, rebates and contingency.
Read the complete guide
Updated reference sections in this guide are in English.
What this calculator estimates
Estimate central air-conditioning replacement cost including equipment, labor, ductwork, electrical work, permits, removal, rebates and contingency.
How to use it
Enter AC equipment cost ($); Installation labor and materials ($); Ductwork modifications ($); Electrical upgrades ($); Permits and old equipment removal ($); Rebates and incentives ($); Contingency (%). Select Calculate to update the results.
How the calculation works
Equipment, labor, duct, electrical, permit and removal costs are added. Contingency is applied before subtracting rebates.
Worked example: starting scenario
| AC equipment cost ($) | 7200 |
|---|---|
| Installation labor and materials ($) | 3500 |
| Ductwork modifications ($) | 1200 |
| Electrical upgrades ($) | 650 |
| Permits and old equipment removal ($) | 500 |
| Rebates and incentives ($) | 800 |
| Contingency (%) | 8 |
| Estimated net AC replacement cost | $13,294.00 |
|---|---|
| Gross project cost | $14,094.00 |
| Estimated contingency | $1,044.00 |
| Rebates and incentives | $800.00 |
| Estimated installed cost before rebate | $13,050.00 |
Important limitations
System size, efficiency, refrigerant, duct condition, climate, access, electrical service and local labor rates affect contractor bids.