Spray Foam Insulation cost: Houston vs Schertz (2026)
In 2026, spray foam insulation is about 1% more expensive in Houston than in Schertz. Most homeowners pay around $3,700 in Houston versus $3,650 in Schertz — a gap of roughly $50.
Houston TX
Typically around $3,700
Schertz TX
Lower costTypically around $3,650
Houston vs Schertz: full breakdown
| Factor | Houston | Schertz |
|---|---|---|
| Typical 2026 cost | $3,700 | $3,650 |
| Estimated range | $1,450–$5,900 | $1,450–$5,850 |
| Labor index (vs US) | ×0.96 | ×0.95 |
| Climate zone | Hot | Hot |
| Climate factor | ×1.02 | ×1.02 |
| Local permit | None | None |
| Labor share | $2,050 | $2,000 |
| Materials/equipment | $1,650 | $1,650 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national spray foam insulation range for local labor, climate and permits.
How much should this gap actually matter?
At 1%, this gap is small enough that it's usually swallowed by normal quote-to-quote variation for spray foam insulation — focus on the contractor, not the city.
Spray foam insulation by type: Houston 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 | Houston | Schertz |
|---|---|---|
| Open-cell | $1,450–$4,400 | $1,450–$4,350 |
| Closed-cell | $2,450–$6,850 | $2,450–$6,800 |
All figures are 2026 localized planning estimates for spray foam insulation — get an actual quote before you commit.
Spray foam insulation by area: Houston 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 | Houston | Schertz |
|---|---|---|
| 500 sq ft | $900–$2,350 | $850–$2,350 |
| 1,000 sq ft | $1,450–$3,950 | $1,450–$3,900 |
| 1,500 sq ft | $2,150–$5,400 | $2,150–$5,350 |
| 2,000+ sq ft | $2,750–$6,400 | $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
With labor making up about 55% of a spray foam insulation job, wage differences between metros do most of the work here. These figures are real BLS OEWS installer wages, not modeled estimates.
Houston-Pasadena-The Woodlands metro · about 7% 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
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 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.
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.
Hit the DOE R-value for your zone, air-seal first, and stack the rebates. Insulation is one of the few upgrades where doing it fully is also the cheapest path to payback.
Houston vs Schertz
Is spray foam insulation cheaper in Houston or Schertz?
Schertz wins on price: spray foam insulation runs about $3,650 there versus $3,700 in Houston, a gap of roughly $50 (1%) as of 2026.
Why does spray foam insulation cost more in Houston than Schertz?
Labor rates explain most of it — 0.96 in Houston vs 0.95 in Schertz. A hot climate versus hot accounts for the rest.
How much is spray foam insulation in Houston, TX?
In Houston, spray foam insulation typically runs $1,450–$5,900 in 2026, with most homeowners paying around $3,700.
Do insulation pros really charge more in one city?
It's not a myth — BLS data puts installer wages at about $29/hr in the Houston-Pasadena-The Woodlands 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?
It doesn't vary by location — Spring and summer is the discount window in both Houston and Schertz (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?
Rarely. The $50 difference is real but one-time, and you can often close most of it in Houston 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