
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
5.01+ year onlineMassachusetts Spray Foam Insulation
5.06½+ years onlineMobile Attic Insulation & Roofing Services Waltham, MA
5.0Newton Spray Foam Insulation
5.01½+ years onlinePremium Insulation Svcs, Inc.
5.0~7 years onlineBoston Admirals Insulation
4.94½+ years onlineGreen Insulation Brookline Inc.
4.94+ years onlinePatriot Spray Foam Insulation
4.97+ years onlineQuality Spray Foam Insulation Boston
4.95½+ years onlineCaliber Insulation
4.81½+ years onlineDolphin Insulation, Inc.
4.816½+ years onlineLocal Boston masonry and construction
4.8Suffolk Weatherization LLC.
4.8~5 years onlineWS Insulation Inc
4.8~6 years onlineGreen Stamp Insulation
4.716½+ years onlineHomeWorks Energy
4.7~18 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
4.26+ years onlineBNY Attic Insulation & Roofing Services Inc, MA
1.0Insulation Services in Nearby MA Cities
Other Services in Cambridge
About Insulation Services in Cambridge
Insulation services cover attic, wall, floor, and crawl space insulation using materials like fiberglass batts, blown-in cellulose, spray foam, and rigid board. Proper insulation reduces heating and cooling costs and improves comfort year-round.
Typical costs: Attic insulation runs $1,500–$4,000 for a typical home. Spray foam for a crawl space or basement is $2,000–$6,000. Whole-home insulation upgrades can be $5,000–$15,000.
- Attic insulation upgrade
- Spray foam crawl space or basement
- Wall cavity insulation
- Weatherization and air sealing
- Garage insulation
Simple insulation upgrades in existing walls and attics usually don't require permits. If the work involves modifying structure or electrical, permits may apply.
Frequently Asked Questions
- How much does insulation services cost in Cambridge?
- Blown-in attic insulation to bring an older home up to current R-value standards runs $1,500–$4,000. Spray foam insulation for a crawl space or rim joist is $2,000–$6,000. Many utility companies offer rebates for insulation upgrades — ask your installer about available incentives.
- How do I find a reliable insulation services contractor in Cambridge?
- A good insulation contractor starts with an energy audit or at least an R-value assessment of your current insulation. They should recommend the right material for each area (spray foam for air sealing, blown-in for attics, batts for accessible wall cavities).
- Do I need a permit for insulation services in Cambridge?
- Adding insulation to existing spaces (attic blow-in, wall injection) typically doesn't require a permit. If the project involves structural access, like opening walls, permits may be needed.
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NeedInstall helps connect customers with local installation professionals across Cambridge 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.
