Spray Foam Insulation cost: Alpharetta vs Savannah (2026)
The two metros aren't quite in sync on spray foam insulation: Alpharetta sits 1% below Savannah, or roughly $3,700 versus $3,750 — about $50 apart.
Alpharetta GA
Lower costTypically around $3,700
Savannah GA
Typically around $3,750
Alpharetta vs Savannah: full breakdown
| Factor | Alpharetta | Savannah |
|---|---|---|
| Typical 2026 cost | $3,700 | $3,750 |
| Estimated range | $1,450–$5,900 | $1,500–$6,000 |
| Labor index (vs US) | ×0.96 | ×0.98 |
| Climate zone | Hot | Hot |
| Climate factor | ×1.02 | ×1.02 |
| Local permit | None | None |
| Labor share | $2,050 | $2,050 |
| Materials/equipment | $1,650 | $1,700 |
All figures are 2026 localized planning estimates for spray foam insulation — get an actual quote before you commit.
Is the price difference a dealbreaker?
A 1% difference on spray foam insulation is minor — you'll typically see a wider spread just from getting multiple quotes in the same city, so don't let location drive the decision.
Spray foam insulation by type: Alpharetta vs Savannah
We localize each spray foam insulation type separately for both metros, applying the same labor, climate and permit adjustments each time, so you're comparing like for like.
| Type | Alpharetta | Savannah |
|---|---|---|
| Open-cell | $1,450–$4,400 | $1,500–$4,500 |
| Closed-cell | $2,450–$6,900 | $2,500–$7,000 |
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: Alpharetta vs Savannah
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 | Alpharetta | Savannah |
|---|---|---|
| 500 sq ft | $900–$2,350 | $900–$2,400 |
| 1,000 sq ft | $1,450–$3,950 | $1,500–$4,000 |
| 1,500 sq ft | $2,150–$5,400 | $2,200–$5,500 |
| 2,000+ sq ft | $2,750–$6,400 | $2,800–$6,500 |
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.
Atlanta-Sandy Springs-Roswell metro · about 7% below the US average installer wage.
No BLS metro wage series for Savannah; we use Georgia 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
Fall is when everyone rushes to insulate before winter hits, making it the busiest and priciest season. Spring and summer see far less demand — and utility rebate budgets are often still full that 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 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
Few home projects come with rebate support like insulation does — utility and state programs routinely offset a meaningful slice of the bill (the federal 25C credit closed in December 2025). Run your address through DSIRE first, and book when a program's yearly budget has just refilled.
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.
What makes insulation unusual is that the thorough version and the cheap version are the same version — seal first, meet the DOE R-value for your zone, and layer on the rebates. A partial job just pushes the payback date further out.
Alpharetta vs Savannah
Is spray foam insulation cheaper in Alpharetta or Savannah?
Alpharetta comes out ahead here, at roughly $3,700 for spray foam insulation compared with $3,750 in Savannah — a 1% ($50) gap as of 2026.
Why does spray foam insulation cost more in Savannah than Alpharetta?
The main driver is local labor rates: Savannah's labor index is 0.98 versus 0.96 in Alpharetta. Climate zone (hot vs hot) also shift the total.
How much is spray foam insulation in Alpharetta, GA?
spray foam insulation in Alpharetta runs $1,450–$5,900 as of 2026 — most jobs land near $3,700.
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 Alpharetta and Savannah (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, $50 is a real gap, but it's a one-time cost you can partly offset in Savannah 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