Costs & R-Value

Insulation Labor Cost

Labor is 45–65% of most insulation bids. Understanding the hours behind a quote is the fastest way to tell a fair price from a padded one.

Updated January 2026 · about 6 min read

Rates

Insulation installers bill $45–$85 per hour per person in most markets, and $90–$140 in high-cost metros. Crews are usually two or three people. Spray foam crews bill higher because of rig cost.

Typical crew hours

Attic air sealing on a 1,500 sq ft house: 4–8 crew hours. Blowing that attic: 3–5 crew hours. Batting a 2,000 sq ft house of open walls: 16–24 crew hours. Crawl encapsulation: 16–40 crew hours. Removal: 8–16 crew hours.

Labor as a share of the bid

Blown attic: about 55% labor. Batt walls: about 50%. Spray foam: about 35% labor, because the chemical is expensive. Removal: 80%+ labor. That is why DIY savings are largest on removal and batt work.

Reducing labor cost honestly

Clear the attic and the work path, move stored items, provide a power outlet and a parking spot near the access, and do your own air sealing prep. Crews charge for obstacles.

Run the numbers

Frequently asked questions

How much do insulation contractors charge per hour?
$45–$85 per installer hour nationally, higher in expensive metros and for spray foam rigs.
How long does it take to insulate a house?
An attic is a single day. A full house of open walls is two to four days. Crawl space encapsulation runs two to five days.
Is labor included in the tax credit?
No. The federal 25C credit for insulation covers materials only; labor is excluded.

Insulation gear worth owning

The tools and materials that show up on almost every insulation job.

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