Spray Foam Insulation cost: Leominster vs Lowell (2026)
The two metros aren't quite in sync on spray foam insulation: Leominster sits 10% below Lowell, or roughly $4,100 versus $4,500 — about $400 apart.
Leominster MA
Lower costTypically around $4,100
Lowell MA
Typically around $4,500
Leominster vs Lowell: full breakdown
| Factor | Leominster | Lowell |
|---|---|---|
| Typical 2026 cost | $4,100 | $4,500 |
| Estimated range | $1,650–$6,550 | $1,800–$7,200 |
| Labor index (vs US) | ×1.03 | ×1.13 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.06 | ×1.06 |
| Local permit | None | None |
| Labor share | $2,250 | $2,500 |
| Materials/equipment | $1,850 | $2,000 |
Treat these as 2026 localized estimates for spray foam insulation, not quotes from a contractor.
How much should this gap actually matter?
That's a real $400 difference (10%) on spray foam insulation — worth factoring in, though off-season timing and a tighter quote in Lowell can narrow it.
Spray foam insulation by type: Leominster vs Lowell
Each spray foam insulation option, priced separately for both metros — the same local labor, climate and permit adjustments applied per city, so you can compare like for like.
| Type | Leominster | Lowell |
|---|---|---|
| Open-cell | $1,650–$4,900 | $1,800–$5,400 |
| Closed-cell | $2,700–$7,600 | $3,000–$8,350 |
All figures are 2026 localized planning estimates for spray foam insulation — get an actual quote before you commit.
Spray foam insulation by area: Leominster vs Lowell
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 | Leominster | Lowell |
|---|---|---|
| 500 sq ft | $1,000–$2,600 | $1,100–$2,850 |
| 1,000 sq ft | $1,650–$4,350 | $1,800–$4,800 |
| 1,500 sq ft | $2,400–$6,000 | $2,650–$6,600 |
| 2,000+ sq ft | $3,050–$7,100 | $3,350–$7,750 |
All figures are 2026 localized planning estimates for spray foam insulation — get an actual quote before you commit.
What insulation pros earn in each metro
Since labor accounts for around 55% of what a spray foam insulation job costs, it's the biggest lever behind any price gap between cities. What you're seeing below is actual BLS metro wage data for skilled installers — not a guess.
No BLS metro wage series for Leominster; we use Massachusetts regional price parity instead.
Boston-Cambridge-Newton metro · about 23% 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
The fall insulation rush drives prices up because everyone's thinking about the coming winter at once. Book in spring or summer instead, when demand is lower and rebate funds haven't been claimed yet.
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 R-value case
The DOE publishes a target R-value for every climate zone, and there's a reason to reach it: stopping short shaves a little off install day but forfeits years of lower energy bills and steadier indoor temperatures. Under-insulating is the one shortcut here that never actually pays.
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 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.
Don't half-do an insulation job to save money upfront: seal the air leaks first, insulate to the DOE target for your zone, and stack the rebates. The full scope pays back faster than the partial one.
Leominster vs Lowell
Is spray foam insulation cheaper in Leominster or Lowell?
Leominster wins on price: spray foam insulation runs about $4,100 there versus $4,500 in Lowell, a gap of roughly $400 (10%) as of 2026.
Why does spray foam insulation cost more in Lowell than Leominster?
It comes down to labor: Lowell indexes at 1.13 against Leominster's 1.03. The cold-vs-cold climate difference adds to the gap.
How much is spray foam insulation in Leominster, MA?
spray foam insulation in Leominster runs $1,650–$6,550 as of 2026 — most jobs land near $4,100.
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 Leominster and Lowell (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, $400 is a real gap, but it's a one-time cost you can partly offset in Lowell 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