Pro Insulation Contracting
“First off Pro Insulation was extremely accommodating to this projects special needs as it was for a rental property and everything had to navigated around the tenants schedule.”
Best Insulation Contractors in Richmond Hill, ON
15 contractors listed · 11 in Richmond Hill · 4 open 24/7 · 14 open weekends · 13 rated 4.5+
Data verified October 18, 2026
Confirmed Contracting & Insulation
“The team was very professional, did a great job with our new insulation.”
Free Attic
“David was professional, patient, and was very understanding of our concern about having a properly sealed and protected work area given attic access was through our master bedroom.”
Space Insulation
“Great job guys thank you for on time and for serving my house 🏠 …”
Akrete
“It's a simple solution to adding insulation to an old house without tearing out plaster lath walls.”
Toronto City Contracting
“Clean job and pontuality is his goals.”
The 15 contractors listed for Richmond Hill, 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: Richmond Hill, ON
11 of the 15 contractors we list are based in Richmond Hill; the other 4 serve Richmond Hill from Markham (14 km), Etobicoke (21 km) and Scarborough (23 km). The contractors on this page are rated from 3.7 to 5.0 across 847 reviews; 6 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 (93%), responsiveness (82%) and value (78%). The topics that come up most in reviews of the contractors on this page are "efficient", "estimates" and "cleanliness". 4 are open around the clock; 14 are open on Saturdays and 7 on Sundays. 6 have ten or more years of experience, the longest 25 years. 5 offer emergency call-outs; 3 offer financing or payment plans; 8 give free estimates; 1 is family- or locally-owned and 2 list coupons or special offers. We have a website on file for 14 of the contractors on this page; 12 publish a contact page; 12 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.
How many listings here have a website?
A website is on file for 14 of the 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.
Spiros Aluminum & Roofing Inc.
“We had used Spiros Roofing 19 years ago and used Spiros again this year to replace our roof.”
Pro Roofers Inc
“One best roofing company in GTA ,with awesome employee”
SMC Group Commercial Roofing Services
“I've been working with SMC Commercial Roofing services for several months and I've seen first hand their level of expertise and professionalism.”
The Skyroofers
“It wasn't a small job but not only did they finish the whole job in a day, they also cleaned every trace that they were here.”
FAB Insulation
“Execeptional service for a friend of mine!”
AZ Roofing
“Thank you Darwin, we are grateful that you fixed the roof and resolved the problem”
Cadillacs Roofing
“Had many quotes and Cadillacs Roofing gave me a great product for a great price would definitely recommend them to family and friends.”
Exalted Services
“Super nice guys who knew what they were doing and stayed late when we ran into an issue with the thermostat and fixed it too!”
Tiltop Roofers
“The communication was phenomenal and workmanship was phenomenal, I really can't say enough good about my experience with Tiltop, I would HIGHLY recommend them to anyone.”
Why these companies made our list
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