View Profile
Tri-State Construction Co
- Cleaner
- Siding
- Mom
“This is the second property they have worked on to entirely replace the roof, and the quality, communication, and pricing has all been professional and timely.”
Best Insulation Contractors in Worcester, MA
24 contractors listed · 7 in Worcester · 12 open weekends · 22 rated 4.5+ · 3 show a license
Data verified October 16, 2026
View Profile
Modern Energy
- Electric
- Loan
- Mitsubishi
“During the installation process both Isiah and Ryan were very professional and kept us informed throughout the entire installation and explained how to work the units.”
View Profile
Wattson Home Solutions
- Rebate
- Questions
- Energy Audit
“Jose and his team came to my house to install the minisplits, excellent job, each of them knew what they were doing, a job well done, they picked up the trash and even vacuumed where they worked.”
View Profile
Custom Insulation Company
- Siding
- Price
- Clean
“Oscar and Kevin went above and beyond for us, not only doing an amazing job with really tough aluminum siding, but they bought bee spray and killed a wasps nest buried in our siding we didn't know about.”
View Profile
Kidd-Luukko Corporation
- Project
- Property
- Chimney
“Very professional organization top to bottom, great communication throughout the process, very reasonable on price, workmanship look great so far - we got our warranties!”
View Profile
Y&A Attic Insulation & Roofing Services
- Quality
- Price
- Leak
“I liked that this company answered their phone consistently, and when the guy showed up to give me a price quote it was evident he had been doing the work for a long time.”
The 24 contractors listed for Worcester, 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.
Area overview: Worcester, MA
7 of the 24 contractors we list are based in Worcester; the other 17 serve Worcester from towns including Marlborough (14 mi), Spencer (11 mi) and Charlton (12 mi). 23 of the contractors on this page have a rating, from 4.3 to 5.0 across 1,251 reviews; 8 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (92%), quality (88%) and responsiveness (82%). The topics that come up most in reviews of the contractors on this page are "price", "cleanliness" and "estimates". 11 are open on Saturdays and 5 on Sundays. 3 show a license on their websites and 11 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 1997. 2 offer financing or payment plans; 11 give free estimates; 4 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for 23 of the contractors on this page; 20 publish a contact page and 14 list a public email. 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.
Will anyone assess the house at no charge?
No charge assessments are advertised by 11 of the 24 contractors on this page. A free look usually means someone measures the attic and writes a proposal. A paid energy audit with a blower door and a camera is a different product and tells you far more about where your house is leaking.
View Profile
Energy Insulation Conservation
View Profile
P&Q Attic Insulation & Dryer Vent Cleaning Services Framingham
“Doing this kind of job was really though from the design to the work it was really a hard job.”
View Profile
Evangelous Roofing
- Inspection
- Project
- Job
“The one thing I will say though is that the communication could probably be a little improved, though it is understandable given he doesn't have an office staff.”
View Profile
Northeast Home & Energy
- Respectful
- Attic
- Work
“Several other crews from different companies actually turned the job down, but Bill and Jonathan and Tim and Pedro and everyone else who worked on this project were just amazing.”
View Profile
Endless Energy
- Lead
- Energy Audit
- Crew
“I appreciated him taking the time to explain what he was going to do, then reviewing his findings when finished and promptly following up via email with his recommendations in writing.”
View Profile
Nor'easter Roofing
- Efficient
- Project
- Siding
“I'll begin with saying how professional and knowledgeable Rob was while outlining the scope of repairs necessary to replace the roof on my home in Douglas, MA..”
View Profile
Better Way Home Improvement
- Clean
- Project
- Quotes
“Their knowledge of different window and siding materials, styles, and energy efficiency ratings was invaluable in helping me choose the best options for my budget and aesthetic preferences”
View Profile
Enviro Safe Foam Insulation
- Area
- Projects
- Property
“As a general contractor I look for other professionals that understand that quality matters and that is exactly what Evan has built this company to represent.”
View Profile
Lamothe Insulation & Contracting
- Renovation
- Shed
- House
“He and his crew came in day one to cover and protect all personal items in garage including door motors tracks heater down to the switch and plugs plates on walls .”
View Profile
Sure Seal
- Plan
- Efficient
- Summer
“We would highly recommend their work, and we will be asking them back once we get to other aspects of our renovation that need to be sealed up with spray foam insulation.”
View Profile
AG Home Improvement Inc
- PVC
- Team
- Communication
“He is thorough in his work and he and his crew worked quickly and efficiently, were well organized, on time every day, cleaned up work debris daily and did a wonderful job.”
View Profile
KAC Insulators Inc.
- Basement
- The Future
- Quality
“From start to finish, Randy and his team answered everyone of my million questions right away, they came when they were supposed to, and were kind and professional.”
View Profile
Ezinsul
“Part of the rebate program making it an easy way to reduce my heating cost.”
View Profile
Tetreault Construction
“Great guy, owner-operated business great product for insulating your home or business”
View Profile
Jan Carpentry Inc
View Profile
Poly-Cel Inc
View Profile
ADV Attic Insulation & Roofing Services Co
- House
“I would recommend this company to anyone that would like ur home insulated.”
View Profile
Green Idea Insulation Corp
“I am very pleased with the insulation job completed by Green Idea Insulation Corp!”
Insulation Services in Worcester, MA Cost Estimates
Minimum cost
$580
Maximum cost
$4242
National Average
$1988
Avg Per Hour Rates
$79
$1248
$2870
Average price range is based on 439 cost profiles
Why these companies made our list
Is this page useful? Yes
No
Is there anything wrong with this page?
