Spray Foam Insulation cost: Duluth vs Eagan (2026)
In 2026, spray foam insulation is about 17% less expensive in Duluth than in Eagan. Most homeowners pay around $3,750 in Duluth versus $4,400 in Eagan — a gap of roughly $650.
Duluth MN
Lower costTypically around $3,750
Eagan MN
Typically around $4,400
Duluth vs Eagan: full breakdown
| Factor | Duluth | Eagan |
|---|---|---|
| Typical 2026 cost | $3,750 | $4,400 |
| Estimated range | $1,500–$6,000 | $1,750–$7,000 |
| Labor index (vs US) | ×0.94 | ×1.1 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.06 | ×1.06 |
| Local permit | None | None |
| Labor share | $2,050 | $2,400 |
| Materials/equipment | $1,700 | $2,000 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national spray foam insulation range for local labor, climate and permits.
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 Eagan.
Spray foam insulation by type: Duluth vs Eagan
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 | Duluth | Eagan |
|---|---|---|
| Open-cell | $1,500–$4,500 | $1,750–$5,250 |
| Closed-cell | $2,500–$6,950 | $2,900–$8,150 |
These are 2026 planning figures for spray foam insulation, localized to each city — not formal quotes.
Spray foam insulation by area: Duluth vs Eagan
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 | Duluth | Eagan |
|---|---|---|
| 500 sq ft | $900–$2,400 | $1,050–$2,800 |
| 1,000 sq ft | $1,500–$4,000 | $1,750–$4,650 |
| 1,500 sq ft | $2,200–$5,500 | $2,550–$6,400 |
| 2,000+ sq ft | $2,800–$6,450 | $3,250–$7,550 |
Treat these as 2026 localized estimates for spray foam insulation, not quotes from a contractor.
What insulation pros earn in each metro
With labor making up about 55% of a spray foam insulation job, wage differences between metros do most of the work here. These figures are real BLS OEWS installer wages, not modeled estimates.
No BLS metro wage series for Duluth; we use Minnesota regional price parity instead.
Minneapolis-St. Paul-Bloomington metro · about 18% above the US average installer wage.
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 insulates in fall before winter, so that's the busy, full-price season. Booking in spring or summer catches off-peak pricing — and utility rebate budgets are often freshest early in the year.
How much insulation is worth paying for?
Three choices shape an insulation budget — target R-value, whether air-sealing is included, and material type. Our editors weigh how each affects payback.
The rebate case
Insulation carries some of the strongest incentive money in remodeling, with utility and state rebates covering a real portion of the cost since the federal 25C credit expired at the end of 2025. Look up what applies on DSIRE, then schedule the work while rebate funds are still unclaimed for the year.
The R-value case
Aim for the R-value the DOE assigns your zone, not a round number that sounds close enough. Every point you fall short is comfort you don't feel and utility savings you never bank — savings that would have covered the extra material several times over.
The air-sealing case
Blown-in or batt, insulation can only slow the heat that isn't already escaping through gaps and penetrations. Sealing those leaks costs little and frequently buys more comfort per dollar than piling on extra R-value, so confirm it's written into the scope.
Rare among home projects, insulation punishes the half-measure — the money saved by under-insulating or skipping the air-seal comes back as higher bills. Meet the DOE R-value for your zone, seal the leaks first, and use the rebates on the table.
Duluth vs Eagan
Is spray foam insulation cheaper in Duluth or Eagan?
Duluth wins on price: spray foam insulation runs about $3,750 there versus $4,400 in Eagan, a gap of roughly $650 (17%) as of 2026.
Why does spray foam insulation cost more in Eagan than Duluth?
Eagan's higher labor index (1.1 vs 0.94 in Duluth) is the biggest factor, with the cold/cold climate split playing a smaller role.
How much is spray foam insulation in Duluth, MN?
Expect to pay $1,500 to $6,000 for spray foam insulation in Duluth in 2026, averaging around $3,750.
When is the cheapest time to buy spray foam insulation — and does it differ by city?
The best window is the same in both Duluth and Eagan: 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 spray foam insulation cost?
Not really — the $650 gap is one-time, and smart timing and tighter quotes in Eagan 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