Spray Foam Insulation cost: Billerica vs Worcester (2026)
Billerica runs 10% higher than Worcester for spray foam insulation — expect around $4,500 in Billerica against $4,100 in Worcester, a difference of about $400.
Billerica MA
Typically around $4,500
Worcester MA
Lower costTypically around $4,100
Billerica vs Worcester: full breakdown
| Factor | Billerica | Worcester |
|---|---|---|
| Typical 2026 cost | $4,500 | $4,100 |
| Estimated range | $1,800–$7,200 | $1,650–$6,550 |
| Labor index (vs US) | ×1.13 | ×1.03 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.06 | ×1.06 |
| Local permit | None | None |
| Labor share | $2,500 | $2,250 |
| Materials/equipment | $2,000 | $1,850 |
Treat these as 2026 localized estimates for spray foam insulation, not quotes from a contractor.
Is the gap worth worrying about?
10% (about $400) is enough to notice on a spray foam insulation budget. Timing the purchase for the off-season and pushing for an apples-to-apples bid in Billerica can close much of that gap.
Spray foam insulation by type: Billerica vs Worcester
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 | Billerica | Worcester |
|---|---|---|
| Open-cell | $1,800–$5,400 | $1,650–$4,900 |
| Closed-cell | $3,000–$8,350 | $2,700–$7,600 |
These are 2026 planning figures for spray foam insulation, localized to each city — not formal quotes.
Spray foam insulation by area: Billerica vs Worcester
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 | Billerica | Worcester |
|---|---|---|
| 500 sq ft | $1,100–$2,850 | $1,000–$2,600 |
| 1,000 sq ft | $1,800–$4,800 | $1,650–$4,350 |
| 1,500 sq ft | $2,650–$6,600 | $2,400–$6,000 |
| 2,000+ sq ft | $3,350–$7,750 | $3,050–$7,100 |
These are 2026 planning figures for spray foam insulation, localized to each city — not formal quotes.
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.
Boston-Cambridge-Newton metro · about 23% above the US average installer wage.
No BLS metro wage series for Worcester; we use Massachusetts 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 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?
R-value, air-sealing and material decide both the price and the payback. Our editors on the trade-offs.
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 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 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.
Of every home upgrade, insulation rewards doing it right the most: air-seal first, meet the DOE R-value for your climate zone, and use the rebates on the table. Cutting the scope here just delays the payback.
Billerica vs Worcester
Is spray foam insulation cheaper in Billerica or Worcester?
Worcester comes out ahead here, at roughly $4,100 for spray foam insulation compared with $4,500 in Billerica — a 10% ($400) gap as of 2026.
Why does spray foam insulation cost more in Billerica than Worcester?
It comes down to labor: Billerica indexes at 1.13 against Worcester's 1.03. The cold-vs-cold climate difference adds to the gap.
How much is spray foam insulation in Billerica, MA?
In Billerica, spray foam insulation typically runs $1,800–$7,200 in 2026, with most homeowners paying around $4,500.
When is the cheapest time to buy spray foam insulation — and does it differ by city?
No, the seasonal pattern is the same in Billerica and Worcester: 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 $400 gap is one-time, and smart timing and tighter quotes in Billerica 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