
Insulation Services in Cambridge, MA
Compare 29 insulation services contractors near you in Cambridge and surrounding area with an average rating of 4.7/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated March 23, 2026
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Boston Greens Spray Foam Insulation
Boston Spray Foam Insulation
TSN Attic Insulation & Roofing Services Inc Of MA,
Diamond Dorchester Insulation Inc.
5.04+ years onlineHi-Tech Attic Insulation & Roofing Services Of MA
5.0JR CONSTRUCTION AND SPRAY FOAM CO
5.01½+ years onlineMassachusetts Spray Foam Insulation
5.06½+ years onlineMobile Attic Insulation & Roofing Services Waltham, MA
5.0Newton Spray Foam Insulation
5.0~2 years onlinePremium Insulation Svcs, Inc.
5.07 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 onlineDolphin Insulation, Inc.
4.816½+ years onlineLocal Boston masonry and construction
4.8Suffolk Weatherization LLC.
4.85 years onlineWS Insulation Inc
4.8~6 years onlineGreen Stamp Insulation
4.716½+ years onlineHomeWorks Energy
4.718 years onlineCSE Attic Insulation & Roofing Services Co, MA
4.6Spray Foam Distributors Of Boston - SPI
4.64½+ years onlineZND-FRT Attic Insulation & Roofing Services Inc, MA
4.26½+ years onlineBNY Attic Insulation & Roofing Services Inc, MA
1.0Insulation Services in Nearby MA Cities
Other Services in Cambridge
Insulation Services in Cambridge, MA
Cambridge insulation paybacks come fast given MA cold winters and Eversource/National Grid rates. Most pre-1980 Cambridge homes have R-13 to R-30 attics. Air sealing matters more than insulation in older Cambridgeport and Riverside balloon-framed homes. Mass Save rebates up to $4,000+ for whole-home weatherization.
Cambridge 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. Blower-door test ($300-$500) often required.
Frequently Asked Questions
- Mass Save?
- Up to $4,000+ for whole-home weatherization. Pre-approval required.
- Worth on gas?
- Definitely — Cambridge heating loads heavy. Payback 3-6 years before rebates.
- Spray-foam or cellulose?
- Cellulose for attics. Spray-foam for basements and rim joists.
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