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AC Install Cost

AC Replacement Cost in Billings, Montana (2026)

$4,000 – $8,450
$0$20k
Lower estimateHigher estimate

Typical installed central AC replacement in Billings. Climate zone 6B .

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ItemEstimated range
Central AC unit + coil$1,800 – $4,225
Installation labor$1,200 – $2,535
Permits & misc.$200 – $676

AC replacement cost in Billings

Installed AC replacement cost in Billings 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 Billings?

A typical installed central AC replacement in Billings falls in the range shown above, depending on tonnage, efficiency, and whether ductwork is included.

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