Exalted Services
“Excellent service, good price--the team was prompt and they knew exactly what they were doing.”
Best Insulation Contractors near Stouffville, ON
These contractors serve Stouffville from nearby bases in towns including Richmond Hill, Markham and Aurora.
15 contractors listed · 1 open 24/7 · 11 open weekends · all 15 rated 4.5+
Data verified October 18, 2026
Bros. Roofing
“I had a roof leak which he found the source of and fixed quickly”
Pro Insulation Contracting
“They took their time and did it right and even cleaned up and took all garbage once they were done.”
Guycan Ltd
“This month following a severe rain storm they were on site within 48 hours”
Free Attic
“They perform thorough inspections of the attic and did disinfection due to minor trace of animal droppings.”
Confirmed Contracting & Insulation
“Great to do business with, clean, clear, executed on time and on budget, what more can you ask for!”
The 15 contractors listed for Stouffville, 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: Stouffville, ON
The 15 contractors on this page are rated from 4.5 to 5.0 across 1,159 reviews; 11 have 50 or more reviews. When customers rate these contractors on specific qualities, they most often praise professionalism (93%), quality (82%) and responsiveness (80%). The topics that come up most in reviews of the contractors on this page are "price", "cleanliness" and "efficient". 1 is open around the clock; 11 are open on Saturdays and 5 on Sundays. The services the contractors on this page list most often on their websites are attic insulation (3), air sealing (2), attic insulation removal (2) and roof repairs (2). 4 have ten or more years of experience, the longest 25 years. 2 offer emergency call-outs; 1 offers financing or payment plans; 7 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; all 15 publish a contact page; 12 list a public email and 2 take bookings online. 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 15 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.
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The Next Level Consulting
“Our initial assessment was done within 3 weeks of booking(this was a busy time of year), and the follow up assessment was completed within a week of our request.”
Celluloseman
“Huge improvement in my home comfort and cost less then I was expecting”
360 Roof
“Keith provided a thorough quote and explanation of options/the work to be done on our roof replacement.”
Jay Carter Roofing & Sheet Metal
“2) Given the severity of my leaky roof, he expedited scheduling the work to occur in a matter of 2 days despite the cold and snowy winter conditions”
4leaf Property Solutions
“They're also very competitive in pricing and maintaining good quality of their work.”
The Same Guys Insulation
“The same guys insulation team did a great job topping up my attic insulation.”
Norris Roofing
“Our roof was completed with all the weather shields ice shield fixed existing valley problems as well as updated vents and exhaust vents.”
Space Insulation
“Great job I really liked your job guys thanks for the work”
First Choice Roofing
“From my initial inquiries through to inspection, quoting process and then scheduling and completion of the roof (Nov 2022) - the entire team at First Choice were prompt, professional and thorough.”
Why these companies made our list
What customers say about contractors near Stouffville
- “They did my house attic insulation. They provided very professional service at reasonable price.” — customer of 4leaf Property Solutions
- “We are extremely happy with the work that was done by Daniel and his team and would wholeheartedly recommend them to anyone who require attic insulation.” — customer of Celluloseman
- “Mike and his crew did a great job on my crawlspace and attic insulation.” — customer of Pro Insulation Contracting
Excerpts from public reviews of the contractors listed on this page.
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