Charleswood Roofing & Exteriors
“We were very happy with the products and services provided by Charleswood Roofing.”
Best Insulation Contractors in Winnipeg, MB
15 contractors listed · 14 in Winnipeg · 3 open weekends · 8 rated 4.5+ · 1 shows a licence
Data verified October 18, 2026
Great Canadian Insulation
“Great company to work with, di a great job and answered all our questions.”
Tall Pines Drywall Co.
“We needed this done quickly in order to get our house ready to sell and he was able to find someone to come within a few days.”
Quik-Therm Insulation
“The product was very to easy to install and has added immensely to the comfort of our home.”
Sky City Roofing
“Everyone I dealt with were really nice and I always got a prompt reply.”
GW Spray Foam Insulation
The 15 contractors listed for Winnipeg, MB 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: Winnipeg, MB
14 of the 15 contractors we list are based in Winnipeg; the other one serves Winnipeg from Navin (9 km). 12 of the contractors on this page have a rating, from 3.0 to 5.0 across 649 reviews; 3 have 50 or more reviews and 8 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (93%), responsiveness (85%) and quality (80%). The topics that come up most in reviews of the contractors on this page are "estimates", "price" and "communication". 3 are open on Saturdays and 1 on Sundays. 1 shows a licence on its website. Domain records put 10 websites of the contractors on this page at ten or more years old; the oldest dates from 1999. 7 give free estimates and 3 list coupons or special offers. We have a website on file for all 15 of the contractors on this page; 13 publish a contact page; 10 list a public email and 1 takes bookings online. 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 7 of the 15 contractors on this page. Treat that as a sales visit with a tape measure. A paid energy evaluation is the thorough version, and in some provinces it is also the paperwork that opens the door to a rebate program.
Prairie Insulation Inc.
“They were in and out in no time and cleaned up after themselves!”
Can-Cell Industries Inc
“Super nice guys, fast and friendly, always a pleasure dealing with them.”
Spray On Systems
“Mitch was great to work with to set things up and Scott, the expert sprayer, does a fantastic job on the application of the foam.”
Advanced Insulation
“They made sure to protect from overspray and did a thorough job insulating the crawlspace.”
Nexgen Drywall Ltd
Suresave Insulation
MC Insulation
Innovative Cork
Foametix Insulation
“I am very impressed with this company, from Michelle in the office with her quick and knowledgeable answers to my many questions, to the two gentlemen Roman and Mason who did my spray foam.”
Why these companies made our list
What customers say about contractors in Winnipeg
- “Recently called them for an attic insulation quote and they were so helpful, friendly and insightful that I wanted to leave this review to thank them.” — customer of Great Canadian Insulation
- “From the estimate to the attic insulation install and then to my basement insulation dealing with Prairie Insulation has been an absolute joy.” — customer of Prairie Insulation Inc.
- “I used GW spray foam for my home- they were very professional and did a great job.” — customer of GW Spray Foam Insulation
Excerpts from public reviews of the contractors listed on this page.
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