Rick Macdonald Siding
“I have nothing but amazing things to say about the owner and crew at Rick MacDonald!”
Best Insulation Contractors near Wilmot, ON
These contractors serve Wilmot from nearby bases in towns including Kitchener, Waterloo and Petersburg.
15 contractors listed · 4 open weekends · 13 rated 4.5+
Data verified October 18, 2026
Reitzel Insulation
“They showed up on time and left our place clean and neat.”
A1 Pros
“Brilliant job by A1 Pros fixing my disgusting gutters for a very good price!!”
Reuter Roofing
“The entire process from choosing the shingles to installation and cleaning up at the end, went very smoothly and within the estimated price.”
Quality Care Roofing Inc.
“It is very evident that Quality Care Roofing stands behind its name and is committed to an outstanding customer experience.”
NGR Roofing Solutions
“They worked non-stop for 2 full days, cleaned the area thoroughly afterwards, and protected my driveway and gardens prior to beginning their work.”
The 15 contractors listed for Wilmot, 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: Wilmot, ON
The 15 contractors on this page are rated from 4.0 to 5.0 across 718 reviews; 3 have 50 or more reviews and 13 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (92%), quality (83%) and responsiveness (81%). The topics that come up most in reviews of the contractors on this page are "estimates", "price" and "cleanliness". 4 are open on Saturdays and 1 on Sundays. 1 lists staff certifications (GAF). Domain records put 4 websites of the contractors on this page at ten or more years old; the oldest dates from 2003. 6 give free estimates and 1 lists coupons or special offers. We have a website on file for all 15 of the contractors on this page; 14 publish a contact page and 11 list a public email. We count these figures across the contractors on this page; 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 6 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.
R M W Exteriors Inc
“These guys are great, did a fantastic job with siding, trofs, and soffits even in the dead of winter.”
Enerliv
“Insulated my attic to R60 and house is warm and comfortable in this cold winter!”
Mallard Home Services
“Excellent customer service from start to finish and someone who genuinely cares about providing quality products.”
Strong Foam Insulation
Titanium Insulation Inc.
“We have used this company for years now for all of our residential batt , spray foam and blown in insulation.”
Golden Gate Spray Foam & Fire Proofing
True North Insulation Ltd
“Very polite installers, prompt and very clean”
Ellus Contracting
“He was always available for discussions regarding the project whenever I needed to talk about any particular issue.”
Isomatrixx
“Very willing to help me find the best solution for my project.”
Why these companies made our list
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