Attic Insulation cost: Billings vs Great Falls (2026)
In 2026, attic insulation is about 1% more expensive in Billings than in Great Falls. Most homeowners pay around $3,900 in Billings versus $3,850 in Great Falls — a gap of roughly $50.
Billings MT
Typically around $3,900
Great Falls MT
Lower costTypically around $3,850
Billings vs Great Falls: full breakdown
| Factor | Billings | Great Falls |
|---|---|---|
| Typical 2026 cost | $3,900 | $3,850 |
| Estimated range | $1,550–$6,200 | $1,550–$6,150 |
| Labor index (vs US) | ×0.96 | ×0.95 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.08 | ×1.08 |
| Local permit | None | None |
| Labor share | $2,150 | $2,100 |
| Materials/equipment | $1,750 | $1,750 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national attic insulation range for local labor, climate and permits.
Billings vs Great Falls
Is attic insulation cheaper in Billings or Great Falls?
In 2026, attic insulation is cheaper in Great Falls at about $3,850, versus $3,900 in Billings — a difference of about $50 (1%).
Why does attic insulation cost more in Billings than Great Falls?
The main driver is local labor rates: Billings's labor index is 0.96 versus 0.95 in Great Falls. Climate zone (cold vs cold) also shift the total.
How much is attic insulation in Billings, MT?
In Billings, attic insulation typically runs $1,550–$6,200 in 2026, with most homeowners paying around $3,900.
Updated June 2026 · By Costadia Editorial