Spray Foam Insulation cost: Concord vs Rochester (2026)
Spray foam insulation costs about the same in Concord and Rochester in 2026 — roughly $4,150 in each.
Concord NH
Typically around $4,150
Rochester NH
Typically around $4,150
Concord vs Rochester: full breakdown
| Factor | Concord | Rochester |
|---|---|---|
| Typical 2026 cost | $4,150 | $4,150 |
| Estimated range | $1,650–$6,650 | $1,650–$6,650 |
| Labor index (vs US) | ×1.04 | ×1.04 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.06 | ×1.06 |
| Local permit | None | None |
| Labor share | $2,300 | $2,300 |
| Materials/equipment | $1,850 | $1,850 |
Spray foam insulation numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
Basically a tie — focus on the contractor
Neither metro has a cost edge on spray foam insulation — spend your decision-making energy on the contractor, not the location.
Spray foam insulation by type: Concord vs Rochester
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 | Concord | Rochester |
|---|---|---|
| Open-cell | $1,650–$5,000 | $1,650–$5,000 |
| Closed-cell | $2,750–$7,750 | $2,750–$7,750 |
All figures are 2026 localized planning estimates for spray foam insulation — get an actual quote before you commit.
Spray foam insulation by area: Concord vs Rochester
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 | Concord | Rochester |
|---|---|---|
| 500 sq ft | $1,000–$2,650 | $1,000–$2,650 |
| 1,000 sq ft | $1,650–$4,450 | $1,650–$4,450 |
| 1,500 sq ft | $2,450–$6,100 | $2,450–$6,100 |
| 2,000+ sq ft | $3,100–$7,200 | $3,100–$7,200 |
Treat these as 2026 localized estimates for spray foam insulation, not quotes from a contractor.
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 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.
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.
Concord vs Rochester
Is spray foam insulation cheaper in Concord or Rochester?
Practically identical — expect around $4,150 for spray foam insulation whichever city you're in.
Why does spray foam insulation cost more in Rochester than Concord?
It comes down to labor: Rochester indexes at 1.04 against Concord's 1.04. The cold-vs-cold climate difference adds to the gap.
How much is spray foam insulation in Concord, NH?
Concord homeowners can expect $1,650 to $6,650 for spray foam insulation in 2026, with $4,150 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 Concord and Rochester: 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?
There's no cost argument here between Concord and Rochester — they're a wash. Focus on contractor reputation, project scope, equipment tier and timing.
Compare spray foam insulation in other cities
Updated June 2026 · By Serhat Özçelik