
Insulation Services in Boston, MA
Compare 29 insulation services contractors near you in Boston and surrounding area with an average rating of 4.9/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated March 23, 2026
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US Spray Foam Insulation

Extreme Spray Foam of Boston

Mass Green Insulation

Boston Insulation Group
Other Businesses in This Area
Boston Greens Spray Foam Insulation
Boston Spray Foam Insulation
Diamond Dorchester Insulation Inc.
5.04+ years onlineGreenstar insulation
5.018½+ years onlineHugh's Insulation
5.0Massachusetts Spray Foam Insulation
5.06½+ years onlineMetro Insulation Inc
5.02 years onlineNewton Spray Foam Insulation
5.0~2 years onlinePremium Insulation Svcs, Inc.
5.07 years onlineRogers Insulation Specialists
5.018½+ years onlineWollaston Construction LLC
5.0~5 years onlineBoston Admirals Insulation
4.9~5 years onlineGreen Insulation Brookline Inc.
4.94+ years onlinePatriot Spray Foam Insulation
4.97½+ years onlineQuality Spray Foam Insulation Boston
4.95½+ years onlineCaliber Insulation
4.8~2 years onlineGreenBay Energy - Commercial Spray Foam Insulation
4.85½+ years onlineWS Insulation Inc
4.8~6 years onlineGreen Stamp Insulation
4.716½+ years onlineHomeWorks Energy
4.718 years onlineSpray Foam Distributors Of Boston - SPI
4.64½+ years onlineInsulation Services in Nearby MA Cities
Other Services in Boston
Insulation Services in Boston, MA
Boston insulation upgrades pay back fast given MA's cold winters (-5°F design temps) and Eversource/National Grid rates. Most pre-1990 Boston homes have R-19 to R-30 attics — well below the modern R-49+ target. Air sealing before insulation matters in older brownstones with balloon framing. Mass Save rebates (up to $4,000+) for whole-home weatherization. NeedInstall connects you with Boston insulation contractors who handle Mass Save paperwork, blower-door testing, and proper detailing for the maritime climate.
Boston attic top-up to R-49+: $2,200-$5,500. Wall dense-pack: $4,500-$11,000 retrofit. Basement spray-foam: $4-$7 per board foot. MA requires a state HIC license. Mass Save rebates (up to $4,000+ for whole-home weatherization). Blower-door test ($300-$500) often required.
Frequently Asked Questions
- Mass Save rebate?
- Up to $4,000+ for whole-home weatherization. Pre-approval required. Free home energy assessment kicks off the process.
- Worth it on natural gas?
- Definitely — Boston heating loads heavy. R-19 to R-49 attic upgrade saves $400-$900/yr on gas. Payback 3-6 years before rebates.
- Brownstone walls?
- Dense-pack cellulose can fill 1900-era stud cavities without major demo. Pair with rim joist spray-foam for max effect.
About NeedInstall
NeedInstall helps connect customers with local installation professionals across Boston and surrounding communities. Featured contractors have claimed their profile and verified their business information. Listings marked as "Verified Pro" have been confirmed by the business owner.