Spray Foam Insulation cost: San Antonio vs Schertz (2026)
There's essentially no price gap here: spray foam insulation runs close to $3,650 in both San Antonio and Schertz in 2026.
San Antonio TX
Typically around $3,650
Schertz TX
Typically around $3,650
San Antonio vs Schertz: full breakdown
| Factor | San Antonio | Schertz |
|---|---|---|
| Typical 2026 cost | $3,650 | $3,650 |
| Estimated range | $1,450–$5,850 | $1,450–$5,850 |
| Labor index (vs US) | ×0.95 | ×0.95 |
| Climate zone | Hot | Hot |
| Climate factor | ×1.02 | ×1.02 |
| Local permit | None | None |
| Labor share | $2,000 | $2,000 |
| Materials/equipment | $1,650 | $1,650 |
All figures are 2026 localized planning estimates for spray foam insulation — get an actual quote before you commit.
No real cost edge either way
This is a statistical tie on spray foam insulation cost, so let contractor reputation and project timing decide, not geography.
Spray foam insulation by type: San Antonio vs Schertz
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 | San Antonio | Schertz |
|---|---|---|
| Open-cell | $1,450–$4,350 | $1,450–$4,350 |
| Closed-cell | $2,450–$6,800 | $2,450–$6,800 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national spray foam insulation range for local labor, climate and permits.
Spray foam insulation by area: San Antonio vs Schertz
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 | San Antonio | Schertz |
|---|---|---|
| 500 sq ft | $850–$2,350 | $850–$2,350 |
| 1,000 sq ft | $1,450–$3,900 | $1,450–$3,900 |
| 1,500 sq ft | $2,150–$5,350 | $2,150–$5,350 |
| 2,000+ sq ft | $2,700–$6,300 | $2,700–$6,300 |
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
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.
San Antonio-New Braunfels metro · about 9% below the US average installer wage.
San Antonio-New Braunfels metro · about 9% below 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
Everyone waits until fall to insulate, which is exactly why fall costs the most. Spring and summer are quieter for installers and often catch a fresh year's rebate budget before it runs dry.
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 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.
Don't half-do an insulation job to save money upfront: seal the air leaks first, insulate to the DOE target for your zone, and stack the rebates. The full scope pays back faster than the partial one.
San Antonio vs Schertz
Is spray foam insulation cheaper in San Antonio or Schertz?
Not really — both cities land at almost the same number for spray foam insulation, around $3,650 each.
Why does spray foam insulation cost more in Schertz than San Antonio?
The main driver is local labor rates: Schertz's labor index is 0.95 versus 0.95 in San Antonio. Climate zone (hot vs hot) also shift the total.
How much is spray foam insulation in San Antonio, TX?
spray foam insulation in San Antonio runs $1,450–$5,850 as of 2026 — most jobs land near $3,650.
Do insulation pros really charge more in one city?
It's not a myth — BLS data puts installer wages at about $28.4/hr in the San Antonio-New Braunfels area and $28.4/hr in San Antonio-New Braunfels. Given labor is around 55% of a spray foam insulation job's cost, that gap explains most of the price spread.
When is the cheapest time to buy spray foam insulation — and does it differ by city?
The best window is the same in both San Antonio and Schertz: 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?
Not on this basis — San Antonio and Schertz cost about the same. Weigh contractor quality, scope, equipment tier and timing instead.
Compare spray foam insulation in other cities
Updated June 2026 · By Serhat Özçelik