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About Get Spray Foam Quotes
Get Spray Foam Quotes connects homeowners in our service areas with up to three vetted, independent spray foam installers. Installers pay us for quote requests; homeowners pay nothing. That never changes the facts or cost ranges we publish.
How we source local facts
- Climate zones: 2021 IECC county assignments from PNNL-33270, Guide to Determining Climate Zone by County (IECC 2021), matched to each city's county using Census place coordinates.
- Recommended R-values: ENERGY STAR, Recommended Home Insulation R-Values (based on 2021 IECC); unvented-attic rules from IRC Section R806.5.
- Energy codes: NAHB, "Residential Provisions of the IECC: State Adoption Status" (current as of May 2026).
- Housing stock: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates (tables B25035, B25034, B25024, B25040, B25003, B25077, B01003).
- Utility rebates: listed only after reading the utility's or program administrator's own page; we say so when we couldn't confirm amounts.
- State rebate status: official state pages compiled via referencesource.org, with dates.
Where the cost numbers come from
- Per-board-foot installed prices: open cell $0.60–$1.60, closed cell $1.30–$3.10. Source: Angi, "How Much Does Spray Foam Insulation Cost? [2026 Data]" (updated Sep 9, 2026).
- Per-square-foot installed prices: open cell $1.50–$3.50, closed cell $3.00–$5.00; many companies have job minimums of $1,000–$2,000+. Source: HomeGuide, "How Much Does Spray Foam Insulation Cost? (2026)" (Dec 1, 2025).
- Typical thickness defaults: Profoam spray foam price sheet (prices valid Aug 1, 2026): "2" avg in walls / 3" avg in roof lines" (closed cell), "3.5" avg in walls / 6" avg in roof lines" (open cell).
These are national published ranges, not local prices. We don't publish local prices until we have real local quotes.
We don't publish reviews, installer directories, or local prices we haven't collected.
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