Spray Foam Insulation cost: Davenport vs Iowa City (2026)
Budget-wise, spray foam insulation in Davenport ($3,750) runs 1% less than in Iowa City ($3,800), a roughly $50 spread.
Davenport IA
Lower costTypically around $3,750
Iowa City IA
Typically around $3,800
Davenport vs Iowa City: full breakdown
| Factor | Davenport | Iowa City |
|---|---|---|
| Typical 2026 cost | $3,750 | $3,800 |
| Estimated range | $1,500–$6,000 | $1,500–$6,050 |
| Labor index (vs US) | ×0.94 | ×0.95 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.06 | ×1.06 |
| Local permit | None | None |
| Labor share | $2,050 | $2,100 |
| Materials/equipment | $1,700 | $1,700 |
All figures are 2026 localized planning estimates for spray foam insulation — get an actual quote before you commit.
Is the gap worth worrying about?
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: Davenport vs Iowa City
Every spray foam insulation type gets its own localized price for each metro, using the same labor, climate and permit adjustments — a true apples-to-apples comparison.
| Type | Davenport | Iowa City |
|---|---|---|
| Open-cell | $1,500–$4,500 | $1,500–$4,550 |
| Closed-cell | $2,500–$6,950 | $2,500–$7,050 |
These are 2026 planning figures for spray foam insulation, localized to each city — not formal quotes.
Spray foam insulation by area: Davenport vs Iowa City
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 | Davenport | Iowa City |
|---|---|---|
| 500 sq ft | $900–$2,400 | $900–$2,400 |
| 1,000 sq ft | $1,500–$4,000 | $1,500–$4,050 |
| 1,500 sq ft | $2,200–$5,500 | $2,200–$5,550 |
| 2,000+ sq ft | $2,800–$6,450 | $2,800–$6,550 |
All figures are 2026 localized planning estimates for spray foam insulation — get an actual quote before you commit.
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?
Insulation is priced on more than thickness. Target R-value, the presence or absence of air-sealing, and the material itself each pull the number in a different direction, and each changes how fast the job pays for itself.
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
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.
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.
Davenport vs Iowa City
Is spray foam insulation cheaper in Davenport or Iowa City?
Yes — Iowa City costs more. Expect around $3,800 for spray foam insulation there against $3,750 in Davenport, about $50 (1%) apart in 2026.
Why does spray foam insulation cost more in Iowa City than Davenport?
The main driver is local labor rates: Iowa City's labor index is 0.95 versus 0.94 in Davenport. Climate zone (cold vs cold) also shift the total.
How much is spray foam insulation in Davenport, IA?
Expect to pay $1,500 to $6,000 for spray foam insulation in Davenport in 2026, averaging around $3,750.
When is the cheapest time to buy spray foam insulation — and does it differ by city?
Timing doesn't change by city here — Spring and summer is the cheapest window in both Davenport and Iowa City, saving roughly 5–10%. Avoid the pre-winter fall rush in either location, when emergency replacements push prices up.
Should I choose where to live based on spray foam insulation cost?
Not really — the $50 gap is one-time, and smart timing and tighter quotes in Iowa City can shrink it. Factors that compound over time, like energy prices and home condition, deserve more weight than a single upfront difference.
Compare spray foam insulation in other cities
Updated June 2026 · By Serhat Özçelik