Full HVAC System Replacement cost: Billings vs Great Falls (2026)
In 2026, full HVAC system replacement is about 0% more expensive in Billings than in Great Falls. Most homeowners pay around $11,700 in Billings versus $11,650 in Great Falls — a gap of roughly $50.
Billings MT
Typically around $11,700
Great Falls MT
Lower costTypically around $11,650
Billings vs Great Falls: full breakdown
| Factor | Billings | Great Falls |
|---|---|---|
| Typical 2026 cost | $11,700 | $11,650 |
| Estimated range | $8,200–$15,200 | $8,150–$15,100 |
| Labor index (vs US) | ×0.95 | ×0.95 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.05 | ×1.05 |
| Local permit | $200 | $200 |
| Labor share | $7,000 | $7,000 |
| Materials/equipment | $4,700 | $4,650 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national full HVAC system replacement range for local labor, climate and permits.
Billings vs Great Falls
Is full HVAC system replacement cheaper in Billings or Great Falls?
In 2026, full HVAC system replacement is cheaper in Great Falls at about $11,650, versus $11,700 in Billings — a difference of about $50 (0%).
Why does full HVAC system replacement cost more in Billings than Great Falls?
The main driver is local labor rates: Billings's labor index is 0.95 versus 0.95 in Great Falls. Climate zone (cold vs cold) also shift the total.
How much is full HVAC system replacement in Billings, MT?
In Billings, full HVAC system replacement typically runs $8,200–$15,200 in 2026, with most homeowners paying around $11,700.
Updated June 2026 · By Costadia Editorial