Spray Foam Insulation cost: Coon Rapids vs Duluth (2026)
In 2026, spray foam insulation is about 17% more expensive in Coon Rapids than in Duluth. Most homeowners pay around $4,400 in Coon Rapids versus $3,750 in Duluth — a gap of roughly $650.
Coon Rapids MN
Typically around $4,400
Duluth MN
Lower costTypically around $3,750
Coon Rapids vs Duluth: full breakdown
| Factor | Coon Rapids | Duluth |
|---|---|---|
| Typical 2026 cost | $4,400 | $3,750 |
| Estimated range | $1,750–$7,000 | $1,500–$6,000 |
| Labor index (vs US) | ×1.1 | ×0.94 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.06 | ×1.06 |
| Local permit | None | None |
| Labor share | $2,400 | $2,050 |
| Materials/equipment | $2,000 | $1,700 |
These are 2026 planning figures for spray foam insulation, localized to each city — not formal quotes.
How much should this gap actually matter?
A 17% gap is meaningful on a project this size — about $650. That's real money, but it's often within reach of off-season timing and a tighter apples-to-apples bid in Coon Rapids.
Spray foam insulation by type: Coon Rapids vs Duluth
Every spray foam 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 | Coon Rapids | Duluth |
|---|---|---|
| Open-cell | $1,750–$5,250 | $1,500–$4,500 |
| Closed-cell | $2,900–$8,150 | $2,500–$6,950 |
These are 2026 planning figures for spray foam insulation, localized to each city — not formal quotes.
Spray foam insulation by area: Coon Rapids vs Duluth
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 | Coon Rapids | Duluth |
|---|---|---|
| 500 sq ft | $1,050–$2,800 | $900–$2,400 |
| 1,000 sq ft | $1,750–$4,650 | $1,500–$4,000 |
| 1,500 sq ft | $2,550–$6,400 | $2,200–$5,500 |
| 2,000+ sq ft | $3,250–$7,550 | $2,800–$6,450 |
Treat these as 2026 localized estimates for spray foam insulation, not quotes from a contractor.
What insulation pros earn in each metro
Roughly 55% of what you pay for spray foam insulation is labor, which is why local wages explain most of the price gap. The numbers below are actual metro wages for skilled installers, sourced from BLS OEWS — not guesses.
Minneapolis-St. Paul-Bloomington metro · about 18% above the US average installer wage.
No BLS metro wage series for Duluth; we use Minnesota regional price parity instead.
Source: U.S. Bureau of Labor Statistics, OEWS metro wages for HVAC installers (used as a trade-labor index).
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?
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.
What makes insulation unusual is that the thorough version and the cheap version are the same version — seal first, meet the DOE R-value for your zone, and layer on the rebates. A partial job just pushes the payback date further out.
Coon Rapids vs Duluth
Is spray foam insulation cheaper in Coon Rapids or Duluth?
In 2026, spray foam insulation is cheaper in Duluth at about $3,750, versus $4,400 in Coon Rapids — a difference of about $650 (17%).
Why does spray foam insulation cost more in Coon Rapids than Duluth?
The main driver is local labor rates: Coon Rapids's labor index is 1.1 versus 0.94 in Duluth. Climate zone (cold vs cold) also shift the total.
How much is spray foam insulation in Coon Rapids, MN?
Expect to pay $1,750 to $7,000 for spray foam insulation in Coon Rapids in 2026, averaging around $4,400.
When is the cheapest time to buy spray foam insulation — and does it differ by city?
It doesn't vary by location — Spring and summer is the discount window in both Coon Rapids and Duluth (roughly 5–10% off), while the pre-winter fall rush tends to be the most expensive in either city.
Should I choose where to live based on spray foam insulation cost?
Probably not. Yes, $650 is a real gap, but it's a one-time cost you can partly offset in Coon Rapids with off-season timing and tighter bids. Long-term factors like energy prices and home condition matter more than this one number.
Compare spray foam insulation in other cities
Updated June 2026 · By Serhat Özçelik