AC Replacement Cost in Montana (2026)
$4,000 – $8,450
Typical installed central AC replacement in Montana. Climate zone 6B · avg. electricity 11.8¢/kWh.
Get Montana quotes →| Item | Estimated range |
|---|---|
| Central AC unit + coil | $1,800 – $4,225 |
| Installation labor | $1,200 – $2,535 |
| Permits & misc. | $200 – $676 |
| Heat pump alternative | $5,400 – $12,450 |
Costs in major Montana metros
What size do you need in Montana? Climate zone 6B affects sizing. Run the sizing wizard →
What affects AC replacement cost in Montana
Prices in Montana reflect the state’s climate zone 6B, local labor and permit costs, and the size and efficiency of the system you choose.
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