Full HVAC System Replacement cost: Boise City vs Idaho Falls (2026)
In 2026, full HVAC system replacement is about 2% more expensive in Boise City than in Idaho Falls. Most homeowners pay around $11,850 in Boise City versus $11,650 in Idaho Falls — a gap of roughly $200.
Boise City ID
Typically around $11,850
Idaho Falls ID
Lower costTypically around $11,650
Boise City vs Idaho Falls: full breakdown
| Factor | Boise City | Idaho Falls |
|---|---|---|
| Typical 2026 cost | $11,850 | $11,650 |
| Estimated range | $8,300–$15,400 | $8,150–$15,100 |
| Labor index (vs US) | ×0.96 | ×0.95 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.05 | ×1.05 |
| Local permit | $200 | $200 |
| Labor share | $7,100 | $7,000 |
| Materials/equipment | $4,750 | $4,650 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national full HVAC system replacement range for local labor, climate and permits.
Boise City vs Idaho Falls
Is full HVAC system replacement cheaper in Boise City or Idaho Falls?
In 2026, full HVAC system replacement is cheaper in Idaho Falls at about $11,650, versus $11,850 in Boise City — a difference of about $200 (2%).
Why does full HVAC system replacement cost more in Boise City than Idaho Falls?
The main driver is local labor rates: Boise City's labor index is 0.96 versus 0.95 in Idaho Falls. Climate zone (cold vs cold) also shift the total.
How much is full HVAC system replacement in Boise City, ID?
In Boise City, full HVAC system replacement typically runs $8,300–$15,400 in 2026, with most homeowners paying around $11,850.
Updated June 2026 · By Costadia Editorial