Consumers Energy Management
“We got a leaky water heater tank and Edward helped us to get quickly changed it to the tankless with no hassle.”
Best Insulation Contractors in Concord, ON
24 contractors listed · 4 in Concord · 7 open 24/7 · 20 open weekends · 23 rated 4.5+
Data verified October 21, 2026
Custom Insulation Systems
“Good company, Great service, great professional team with good price.”
Nexlevel Construction Solution
Lous Drywall Accessories Ltd
Alpine Roofing
“Apostolis oversaw the project and he was exceptionally helpful and knowledgeable, ensuring the job was done properly.”
Professional Roofers.
“The team that came to my place to replace my roof were on time and finished quickly.”
The 24 contractors listed for Concord, ON insulate attics, basements, headers and crawl spaces. Details under each one about materials, hours and advertised services are copied from the company's own site; star ratings and comments come from public reviews.
Area overview: Concord, ON
4 of the 24 contractors we list are based in Concord; the other 20 serve Concord from towns including Etobicoke, Brampton and Mississauga. 23 of the contractors on this page have a rating, from 4.5 to 5.0 across 3,535 reviews; 20 have 50 or more reviews. When customers rate these contractors on specific qualities, they most often praise professionalism (88%), quality (86%) and responsiveness (83%). The topics that come up most in reviews of the contractors on this page are "estimates", "price" and "cleanliness". 7 are open around the clock; 20 are open on Saturdays and 16 on Sundays. The services the contractors on this page list most often on their websites are attic insulation (2), attic ventilation (2), commercial roofing (2), flat roofing (2) and metal roofing (2). 2 show a licence on their websites and 1 lists staff certifications (GAF). Domain records put 9 websites of the contractors on this page at ten or more years old; the oldest dates from 1998. 8 offer emergency call-outs; 6 offer financing or payment plans; 16 give free estimates; 4 are family- or locally-owned and 4 list coupons or special offers. We count these figures across the contractors on this page; hours and prices change, so confirm the details with the contractor before you book.
How many listings here have a website?
A website is on file for all 24 contractors here. Look for the materials they install and whether they do attics, basements or both, because plenty of crews specialize in one. Where there is no site, ask the same questions by phone before booking a visit.
AZ Roofing
“Darwin was a pleasure to deal with and I will count on him when it's time to change my roof.”
Mas Air Home Comfort
“When they got here, the technicians are highly skilled, hard working, and took the time to explain and answer our many questions.”
Home Star Roofing LTD
“They were very respectful of our property and of our neighbours property during the whole process and did a fantastic job of cleaning up after the job was completed.”
Eastern Western Construction LTD
“They transformed our gross basement washroom into a spa oasis, even with the limited budget we were on.”
Cadillacs Roofing
“I was able to get an appointment fairly quickly, was priced appropriately and the job was done very professionally.”
T DOT Roofers Inc
“They are great, very fun people and very helpful.”
Luso Roofing & Contracting Inc.
“We hired Luso Roofing to redo our garage roof, and the service provided was excellent, very knowledgeable and professional.”
Better Living Insulation Inc
“Our heating bill this winter has been half from prior years so we know we are getting the benefit of the spray insulation”
AAA Roofmasters
“We have been using AAA for all our roof and building envelope needs for years now and they always delivery great quality materials and craftsmanship.”
NDS Insulation Inc.
“They explained the work that they were going to and ensured we inspected the job before they left.”
Sprayfoam Solutions Toronto Inc
“They' were on time, professional, took care with my project, paid extra attention to problem areas, didn't demand huge deposit before starting, and allowed me a few days to pay in short instalments when I had an issue.”
Integrity Roofers
“After noticing a leak in the ceiling I called Shay at Integrity Roofers and they were able to send someone within a few hours.”
Bros. Roofing
“Came on time, Kevin and the entire crew were all extraordinary competence, and work ethics of the team, the high quality of all materials used and the level of care for each phase of the roofing process (from the removal of old shingles to the thorough cleaning of eavestroughs and ground, ice water shield and professional installation, treated my property with care and respect at all times.”
Tactic Roofing Inc.
“Afshin and his team did a fantastic job replacing my roof shingles.”
Foam It
“I just want to thank the Fooam it team for the work that was done.”
Universal Roofs Toronto
“I'm so glad I went with them; the guys were great and got my house done in time for me!”
Pro Insulation Contracting
“He was very easy to work with, especially with a tight schedule of getting my attic insulation done and at a good price.”
United Roofers
“Very professional team excellent work very neat and made sure all needs were dealt with.”
Why these companies made our list
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