Spray Foam Insulation cost: Marietta vs Savannah (2026)
Marietta runs 1% lower than Savannah for spray foam insulation — expect around $3,700 in Marietta against $3,750 in Savannah, a difference of about $50.
Marietta GA
Lower costTypically around $3,700
Savannah GA
Typically around $3,750
Marietta vs Savannah: full breakdown
| Factor | Marietta | 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 |
These are 2026 planning figures for spray foam insulation, localized to each city — not formal quotes.
How much should this gap actually matter?
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: Marietta vs Savannah
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 | Marietta | Savannah |
|---|---|---|
| Open-cell | $1,450–$4,400 | $1,500–$4,500 |
| Closed-cell | $2,450–$6,900 | $2,500–$7,000 |
These are 2026 planning figures for spray foam insulation, localized to each city — not formal quotes.
Spray foam insulation by area: Marietta 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 | Marietta | 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 |
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.
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?
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 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 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.
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.
Marietta vs Savannah
Is spray foam insulation cheaper in Marietta or Savannah?
Yes — Savannah costs more. Expect around $3,750 for spray foam insulation there against $3,700 in Marietta, about $50 (1%) apart in 2026.
Why does spray foam insulation cost more in Savannah than Marietta?
Labor rates explain most of it — 0.98 in Savannah vs 0.96 in Marietta. A hot climate versus hot accounts for the rest.
How much is spray foam insulation in Marietta, GA?
In Marietta, spray foam insulation typically runs $1,450–$5,900 in 2026, with most homeowners paying around $3,700.
When is the cheapest time to buy spray foam insulation — and does it differ by city?
No, the seasonal pattern is the same in Marietta and Savannah: 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?
Rarely. The $50 difference is real but one-time, and you can often close most of it in Savannah by buying in the off-season and getting tighter, apples-to-apples bids. Ongoing factors — energy prices, climate and home condition — matter more over the life of the system.
Compare spray foam insulation in other cities
Updated June 2026 · By Serhat Özçelik