Spray Foam Insulation cost: Burlington vs San Francisco (2026)
The two metros aren't quite in sync on spray foam insulation: Burlington sits 9% below San Francisco, or roughly $4,100 versus $4,450 — about $350 apart.
Burlington VT
Lower costTypically around $4,100
San Francisco CA
Typically around $4,450
Burlington vs San Francisco: full breakdown
| Factor | Burlington | San Francisco |
|---|---|---|
| Typical 2026 cost | $4,100 | $4,450 |
| Estimated range | $1,650–$6,550 | $1,800–$7,100 |
| Labor index (vs US) | ×1.03 | ×1.18 |
| Climate zone | Cold | Mixed |
| Climate factor | ×1.06 | ×1 |
| Local permit | None | None |
| Labor share | $2,250 | $2,450 |
| Materials/equipment | $1,850 | $2,000 |
These are 2026 planning figures for spray foam insulation, localized to each city — not formal quotes.
Is the gap worth worrying about?
That's a real $350 difference (9%) on spray foam insulation — worth factoring in, though off-season timing and a tighter quote in San Francisco can narrow it.
Spray foam insulation by type: Burlington vs San Francisco
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 | Burlington | San Francisco |
|---|---|---|
| Open-cell | $1,650–$4,950 | $1,800–$5,350 |
| Closed-cell | $2,750–$7,650 | $2,950–$8,300 |
Spray foam insulation numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
Spray foam insulation by area: Burlington vs San Francisco
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 | Burlington | San Francisco |
|---|---|---|
| 500 sq ft | $1,000–$2,650 | $1,050–$2,850 |
| 1,000 sq ft | $1,650–$4,400 | $1,800–$4,750 |
| 1,500 sq ft | $2,400–$6,000 | $2,600–$6,500 |
| 2,000+ sq ft | $3,050–$7,100 | $3,300–$7,700 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national spray foam insulation range for local labor, climate and permits.
What insulation pros earn in each metro
Labor is about 55% of a spray foam insulation bill, so local wages drive most of the gap. These are real metro hourly wages for skilled installers (BLS OEWS), not estimates.
No BLS metro wage series for Burlington; we use Vermont regional price parity instead.
San Francisco-Oakland-Fremont metro · about 34% 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 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
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 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.
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.
Burlington vs San Francisco
Is spray foam insulation cheaper in Burlington or San Francisco?
Yes — San Francisco costs more. Expect around $4,450 for spray foam insulation there against $4,100 in Burlington, about $350 (9%) apart in 2026.
Why does spray foam insulation cost more in San Francisco than Burlington?
It comes down to labor: San Francisco indexes at 1.18 against Burlington's 1.03. The mixed-vs-cold climate difference adds to the gap.
How much is spray foam insulation in Burlington, VT?
spray foam insulation in Burlington 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?
The best window is the same in both Burlington and San Francisco: 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?
That would be a stretch. $350 is a one-time difference, not an ongoing one, and off-season buying plus apples-to-apples bids in San Francisco can close a good chunk of it. What matters more long-term is energy costs, climate and the condition of the home.
Compare spray foam insulation in other cities
Updated June 2026 · By Serhat Özçelik