Attic Insulation cost: Cheyenne vs Gillette (2026)
Budget-wise, attic insulation in Cheyenne ($3,900) runs 3% more than in Gillette ($3,800), a roughly $100 spread.
Cheyenne WY
Typically around $3,900
Gillette WY
Lower costTypically around $3,800
Cheyenne vs Gillette: full breakdown
| Factor | Cheyenne | Gillette |
|---|---|---|
| Typical 2026 cost | $3,900 | $3,800 |
| Estimated range | $1,550–$6,250 | $1,500–$6,050 |
| Labor index (vs US) | ×0.97 | ×0.93 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.08 | ×1.08 |
| Local permit | None | None |
| Labor share | $2,150 | $2,100 |
| Materials/equipment | $1,750 | $1,700 |
Treat these as 2026 localized estimates for attic insulation, not quotes from a contractor.
How much should this gap actually matter?
3% is within noise for attic insulation — contractor selection and timing move the price more than which of these two metros you're in.
Attic insulation by type: Cheyenne vs Gillette
Every attic insulation type gets its own localized price for each metro, using the same labor, climate and permit adjustments — a true apples-to-apples comparison.
| Type | Cheyenne | Gillette |
|---|---|---|
| Fiberglass batts | $1,550–$4,200 | $1,500–$4,050 |
| Blown-in fiberglass | $1,550–$4,700 | $1,500–$4,550 |
| Blown cellulose | $1,800–$5,200 | $1,700–$5,050 |
| Spray foam | $3,650–$9,400 | $3,550–$9,100 |
All figures are 2026 localized planning estimates for attic insulation — get an actual quote before you commit.
Attic insulation by area: Cheyenne vs Gillette
Attic insulation is priced by the square foot of attic floor, typically $1–$7 per sq ft installed depending on material and how deep you build the R-value. Blown-in is cheapest; spray foam costs the most.
| Size | Cheyenne | Gillette |
|---|---|---|
| 500 sq ft | $750–$2,300 | $700–$2,200 |
| 1,000 sq ft | $1,250–$3,650 | $1,200–$3,550 |
| 1,500 sq ft | $1,900–$5,200 | $1,800–$5,050 |
| 2,000+ sq ft | $2,500–$6,800 | $2,400–$6,550 |
These are 2026 planning figures for attic insulation, localized to each city — not formal quotes.
Cheapest time for attic insulation in either city
Everyone waits until fall to insulate, which is exactly why fall costs the most. Spring and summer are quieter for installers and often catch a fresh year's rebate budget before it runs dry.
How much insulation is worth paying for?
How much you spend on insulation and how fast it pays back come down to R-value, air-sealing and material. Our editors break down the trade-offs.
The air-sealing case
Insulation without air-sealing underperforms. Sealing leaks first is cheap and often delivers more comfort per dollar than thicker insulation alone — make sure it's in the scope.
The rebate case
Insulation has some of the best rebate math in home improvement — utility and state programs can cover a solid share (the federal 25C credits ended Dec 2025). Check DSIRE before you book and time it to a fresh rebate budget.
The R-value case
Insulate to the DOE recommendation for your climate zone — under-insulating to save money leaves comfort and energy savings on the table that would have paid the job back.
Hit the DOE R-value for your zone, air-seal first, and stack the rebates. Insulation is one of the few upgrades where doing it fully is also the cheapest path to payback.
Cheyenne vs Gillette
Is attic insulation cheaper in Cheyenne or Gillette?
Gillette wins on price: attic insulation runs about $3,800 there versus $3,900 in Cheyenne, a gap of roughly $100 (3%) as of 2026.
Why does attic insulation cost more in Cheyenne than Gillette?
The main driver is local labor rates: Cheyenne's labor index is 0.97 versus 0.93 in Gillette. Climate zone (cold vs cold) also shift the total.
How much is attic insulation in Cheyenne, WY?
Cheyenne homeowners can expect $1,550 to $6,250 for attic insulation in 2026, with $3,900 the typical number.
When is the cheapest time to buy attic insulation — and does it differ by city?
The best window is the same in both Cheyenne and Gillette: Spring and summer, when demand drops and installers discount to keep crews busy — typically 5–10% off peak pricing. The most expensive time anywhere is an emergency replacement during the pre-winter fall rush.
Should I choose where to live based on attic insulation cost?
Probably not. Yes, $100 is a real gap, but it's a one-time cost you can partly offset in Cheyenne with off-season timing and tighter bids. Long-term factors like energy prices and home condition matter more than this one number.
Compare attic insulation in other cities
Updated June 2026 · By Serhat Özçelik