HVAC
AC Replacement: Cost, Permits & Timeline
Replacing a residential split-system air conditioner or heat pump, including the outdoor condenser, indoor air handler and, in most cases, the line set and thermostat.
Model reviewed August 2026
Typical cost
$8,900
$5,200 – $15,500
per ton of cooling capacity
$1,600 – $3,200
Permit
Required
$90 – $320
Timeline
1 day of work
1 day of work, 1-3 weeks including permit and inspection
Do you need a permit for ac replacement?
Yes
AC Replacement is permitted and inspected work in essentially every jurisdiction. Typical fees run $90 to $320. A licensed contractor generally has to pull the permit.
What drives the cost
- System size in tons and SEER2 efficiency rating
- Heat pump versus straight cool with electric heat
- Air handler location (attic, closet, garage)
- Duct condition and any required duct replacement
- Electrical upgrades and new disconnect
Permit, inspections and documents
| Permit status | required |
|---|---|
| Typical permit fee | $90 – $320 |
| Licensed contractor required | Usually yes |
| Owner-builder allowed | Rarely |
| Inspections | Mechanical rough / equipment set, Electrical disconnect, Final mechanical inspection |
| Timeline | 1 day of work, 1-3 weeks including permit and inspection |
| DIY difficulty | 5/5 difficulty |
Documents typically required
- • Mechanical permit application
- • HVAC contractor license and insurance
- • Equipment model numbers and AHRI certificate
- • Manual J or equivalent load documentation in some jurisdictions
AC Replacement cost by city
Local labor and material pricing applied to the national baseline.
| City | Typical range | vs national |
|---|---|---|
| New York | $8,700 – $25,900 | +67% |
| Los Angeles | $7,300 – $21,800 | +41% |
| Miami | $6,700 – $19,900 | +28% |
| Chicago | $6,600 – $19,600 | +27% |
| Phoenix | $5,400 – $16,100 | +4% |
| Dallas | $5,300 – $15,700 | +1% |
| Houston | $5,300 – $15,800 | +2% |
| Tampa | $5,600 – $16,800 | +8% |
| Denver | $6,000 – $17,900 | +15% |
| Orlando | $5,400 – $16,100 | +4% |
| Atlanta | $5,300 – $15,800 | +2% |
| Fort Lauderdale | $6,400 – $19,100 | +23% |
AC Replacement across the country
National pricing, state-by-state pricing, and the tools behind both.
Frequently asked questions
Do I need a permit for ac replacement?
In most jurisdictions this work is permitted and inspected. Requirements are set locally, so confirm the current application and inspection checklist with your building department before work starts.
How long does ac replacement take?
1 day of work, 1-3 weeks including permit and inspection. Permit review and inspection scheduling are usually the largest source of variation.
What changes the price the most?
The largest cost drivers are system size in tons and seer2 efficiency rating; heat pump versus straight cool with electric heat; air handler location (attic, closet, garage).
Sources
Sources & verification
Model vintage August 2026. The links above are the issuing agencies' own pages — we publish them so you can confirm the current rule yourself, not as evidence that each fact on this page was re-checked with them today. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing, not quotes. Permit rules change; confirm with the building department before starting work.