Northguard Insulation
“Great work, in and out so we could still be operational.”
Best Insulation Contractors near Huntsville, ON
2 of these contractors are based in Huntsville; the others serve Huntsville from towns including Burk's Falls (36 km), Utterson (8 km) and Port Sydney (14 km).
2 open weekends · 9 rated 4.5+
Data verified October 18, 2026
Milestone Roofing
“I called Milestone and they IMMEDIATELY sent two guys out to fix it before a second storm hits tonight and damages the roof and boat port even more!”
All Ways Roofing & Siding Inc.
“The price was well within budget, so we had them do the work, job was done well and professionally and promptly.”
Clement Aluminum & Vinyl
“Have used them many times for supplying soffit, siding, and related trims.”
A & J Insulation Contractors
“He not only worked with my schedule, he brought his team over to prep things to save time later on and to allow other trades to stay on their schedules.”
Muskoka Spray Foam Insulation
“I recently engaged Muskoka Spray Foam Insulation to complete spray foam for my new home office bunkie, and I couldn't be more pleased with the results!”
The 10 contractors listed for Huntsville, 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: Huntsville, ON
The 10 contractors on this page are rated from 4.0 to 5.0 across 287 reviews; 1 has 50 or more reviews and 9 are rated 4.5 or higher. 2 are open on Saturdays. 3 have ten or more years of experience, the longest 25 years. 4 give free estimates; 1 is family- or locally-owned and 1 lists coupons or special offers. We have a website on file for all 10 of the contractors on this page; 8 publish a contact page; all 10 list a public email and 2 take 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.
Are all of these firms based in Huntsville?
No. 2 have an address in Huntsville and the rest come from other towns within 50 km. Rig and hose mean these crews cover a wide area from one yard. Ask whether your address falls inside the zone they work without a surcharge.
Nipissing Spray Foam Insulation
“Spencer and his partner were very professional and took pride in his work, unfortunately it's rare these days, Great job.”
Bask Pro Inc
“Very happy and would recommended to those looking for drywall and insulation services.”
Envotek Insulation Systems
“Great work guys kept the site very nice and tidy.”
Supreme Tech Insulation Inc.
“Dan is amazing , great communication and awesome timing for getting jobs done”
Why these companies made our list
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