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24 contractors listed · 9 in New Bedford · 9 open weekends · 20 rated 4.5+ · 3 show a license
Data verified October 18, 2026
The 24 contractors listed for New Bedford, MA insulate attics, walls, crawl spaces and rim joists. Details under each one about materials, hours and the services advertised are copied from the company's own site; star ratings and comments come from public reviews.
9 of the 24 contractors we list are based in New Bedford; the other 15 serve New Bedford from towns including Fairhaven (3 mi), Fall River (9 mi) and Dartmouth (5 mi). 22 of the contractors on this page have a rating, from 4.2 to 5.0 across 2,000 reviews; 6 have 50 or more reviews and 20 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (91%), quality (81%) and responsiveness (78%). The topics that come up most in reviews of the contractors on this page are "crew", "price" and "cleanliness". 9 are open on Saturdays and 3 on Sundays. 3 show a license on their websites; 2 list staff certifications (BPI) and 7 have a BBB rating of A or A+. Domain records put 13 websites of the contractors on this page at ten or more years old; the oldest dates from 1998. 4 offer financing or payment plans; 7 give free estimates; 4 are family- or locally-owned and 5 list coupons or special offers. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.
A website is on file for 18 of the 24 contractors here. Use it to see which materials they actually install, since a firm that only sprays foam will recommend foam. A contractor with no site is not automatically worse, but you will have to ask on the phone what the site would have told you.
