AC Replacement Cost in Great Falls, Montana (2026)
$4,000 – $8,450
Typical installed central AC replacement in Great Falls. Climate zone 6B .
Get Great Falls quotes →| Item | Estimated range |
|---|---|
| Central AC unit + coil | $1,800 – $4,225 |
| Installation labor | $1,200 – $2,535 |
| Permits & misc. | $200 – $676 |
AC replacement cost in Great Falls
Installed AC replacement cost in Great Falls reflects Montana's climate zone 6B, the size and efficiency of the system you choose, and local labor and permit costs. The range above is a typical central-AC replacement; heat pumps and full system swaps run higher. For the size your home needs, run the sizing wizard, or see the full Montana cost breakdown.
Frequently asked questions
How much does it cost to replace an AC unit in Great Falls?
A typical installed central AC replacement in Great Falls falls in the range shown above, depending on tonnage, efficiency, and whether ductwork is included.
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