Spray Foam Insulation cost: Bentonville vs Fort Smith (2026)
Bentonville runs 3% higher than Fort Smith for spray foam insulation — expect around $3,600 in Bentonville against $3,500 in Fort Smith, a difference of about $100.
Bentonville AR
Typically around $3,600
Fort Smith AR
Lower costTypically around $3,500
Bentonville vs Fort Smith: full breakdown
| Factor | Bentonville | Fort Smith |
|---|---|---|
| Typical 2026 cost | $3,600 | $3,500 |
| Estimated range | $1,450–$5,700 | $1,400–$5,550 |
| Labor index (vs US) | ×0.95 | ×0.92 |
| Climate zone | Mixed | Mixed |
| Climate factor | ×1 | ×1 |
| Local permit | None | None |
| Labor share | $2,000 | $1,950 |
| Materials/equipment | $1,600 | $1,550 |
All figures are 2026 localized planning estimates for spray foam insulation — get an actual quote before you commit.
Is the price difference a dealbreaker?
At 3%, 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: Bentonville vs Fort Smith
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 | Bentonville | Fort Smith |
|---|---|---|
| Open-cell | $1,450–$4,300 | $1,400–$4,150 |
| Closed-cell | $2,400–$6,650 | $2,300–$6,450 |
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: Bentonville vs Fort Smith
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 | Bentonville | Fort Smith |
|---|---|---|
| 500 sq ft | $850–$2,300 | $850–$2,200 |
| 1,000 sq ft | $1,450–$3,800 | $1,400–$3,700 |
| 1,500 sq ft | $2,100–$5,250 | $2,050–$5,100 |
| 2,000+ sq ft | $2,650–$6,200 | $2,600–$6,000 |
These are 2026 planning figures for spray foam insulation, localized to each city — not formal quotes.
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?
Three choices shape an insulation budget — target R-value, whether air-sealing is included, and material type. Our editors weigh how each affects payback.
The air-sealing case
Skip air-sealing and you're insulating around the very holes letting conditioned air leak out. Caulk, foam and weatherstripping are inexpensive and often return more felt comfort than a thicker blanket of insulation ever would — insist the crew handles the leaks before they bury them.
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.
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.
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.
Bentonville vs Fort Smith
Is spray foam insulation cheaper in Bentonville or Fort Smith?
In 2026, spray foam insulation is cheaper in Fort Smith at about $3,500, versus $3,600 in Bentonville — a difference of about $100 (3%).
Why does spray foam insulation cost more in Bentonville than Fort Smith?
The main driver is local labor rates: Bentonville's labor index is 0.95 versus 0.92 in Fort Smith. Climate zone (mixed vs mixed) also shift the total.
How much is spray foam insulation in Bentonville, AR?
In Bentonville, spray foam insulation typically runs $1,450–$5,700 in 2026, with most homeowners paying around $3,600.
When is the cheapest time to buy spray foam insulation — and does it differ by city?
No, the seasonal pattern is the same in Bentonville and Fort Smith: 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 $100 difference is real but one-time, and you can often close most of it in Bentonville 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