Spray Foam Insulation cost: Kenosha vs Oshkosh (2026)
The two metros aren't quite in sync on spray foam insulation: Kenosha sits 7% above Oshkosh, or roughly $4,050 versus $3,800 — about $250 apart.
Kenosha WI
Typically around $4,050
Oshkosh WI
Lower costTypically around $3,800
Kenosha vs Oshkosh: full breakdown
| Factor | Kenosha | Oshkosh |
|---|---|---|
| Typical 2026 cost | $4,050 | $3,800 |
| Estimated range | $1,600–$6,450 | $1,500–$6,050 |
| Labor index (vs US) | ×1.01 | ×0.95 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.06 | ×1.06 |
| Local permit | None | None |
| Labor share | $2,250 | $2,100 |
| Materials/equipment | $1,800 | $1,700 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national spray foam insulation range for local labor, climate and permits.
Is the price difference a dealbreaker?
7% is within noise for spray foam insulation — contractor selection and timing move the price more than which of these two metros you're in.
Spray foam insulation by type: Kenosha vs Oshkosh
Below, each spray foam insulation option is priced independently for both cities, with identical local labor, climate and permit logic applied — so the comparison holds up.
| Type | Kenosha | Oshkosh |
|---|---|---|
| Open-cell | $1,600–$4,800 | $1,500–$4,550 |
| Closed-cell | $2,700–$7,500 | $2,500–$7,050 |
Treat these as 2026 localized estimates for spray foam insulation, not quotes from a contractor.
Spray foam insulation by area: Kenosha vs Oshkosh
Spray foam is priced by board foot (1 sq ft at 1 inch thick), which works out to about $1.50–$5 per sq ft of surface installed depending on foam type and thickness. Closed-cell costs more but adds twice the R-value per inch.
| Size | Kenosha | Oshkosh |
|---|---|---|
| 500 sq ft | $950–$2,550 | $900–$2,400 |
| 1,000 sq ft | $1,600–$4,300 | $1,500–$4,050 |
| 1,500 sq ft | $2,350–$5,900 | $2,200–$5,550 |
| 2,000+ sq ft | $3,000–$6,950 | $2,800–$6,550 |
Spray foam insulation numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
Cheapest time for spray foam 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?
Where an insulation budget lands depends less on square footage than on three calls — the R-value you target, whether air-sealing rides along, and which material fills the cavity.
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.
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.
Air-seal before you insulate, hit the DOE-recommended R-value for your zone, and claim every rebate you're eligible for — insulation is a rare case where doing the full job is also the cheapest one, long-term.
Kenosha vs Oshkosh
Is spray foam insulation cheaper in Kenosha or Oshkosh?
Oshkosh wins on price: spray foam insulation runs about $3,800 there versus $4,050 in Kenosha, a gap of roughly $250 (7%) as of 2026.
Why does spray foam insulation cost more in Kenosha than Oshkosh?
The main driver is local labor rates: Kenosha's labor index is 1.01 versus 0.95 in Oshkosh. Climate zone (cold vs cold) also shift the total.
How much is spray foam insulation in Kenosha, WI?
Kenosha homeowners can expect $1,600 to $6,450 for spray foam insulation in 2026, with $4,050 the typical number.
When is the cheapest time to buy spray foam insulation — and does it differ by city?
No, the seasonal pattern is the same in Kenosha and Oshkosh: book during Spring and summer for about 5–10% in savings. The pre-winter fall rush is the priciest stretch in both cities, mostly due to emergency replacements.
Should I choose where to live based on spray foam insulation cost?
Not really — the $250 gap is one-time, and smart timing and tighter quotes in Kenosha can shrink it. Factors that compound over time, like energy prices and home condition, deserve more weight than a single upfront difference.
Compare spray foam insulation in other cities
Updated June 2026 · By Serhat Özçelik