Best insulation contractors in Ontario
These five Ontario contractors rose to the top of our methodology-based scoring, which weighs review volume, recency, and sentiment alongside star rating. See the methodology for how each composite score is built.
This list covers contractors named specialists in the underlying review data used for this page. For a dedicated ranking of roofing specialists, see best roofing contractors in Ontario.
Picks are ranked by score and relevance to insulation contractor, so a lower overall score can rank higher here.
At a glance
| # | Business | Score | Rating | From | Best for |
|---|---|---|---|---|---|
| 1 | Integrity Roofers | 90 | 4.8 (154) | — | All-round quality and warranty backup |
| 2 | Right Choice Roofing and Repair | 89 | 4.9 (86) | — | Fast, owner-led response |
| 3 | Professional Roofers. | 84 | 4.6 (560) | — | Larger crews handling volume reliably |
| 4 | AAA Roofmasters | 84 | 4.5 (87) | — | Emergency same-day fixes |
| 5 | Toronto Roofer | 79 | 4.9 (27) | — | Quick response on a smaller job |
1. Integrity Roofers
4.8 (154 reviews)score 90/100
Integrity Roofers posts the highest composite score in this group on the back of a 4.8 rating across 154 reviews, with named staff repeatedly credited for honest quoting and diagnosing tricky issues without upselling. Customers highlight 25-year warranties that get honoured without hassle, and several have come back for multiple jobs over the years.
- Named technicians (Shay, Cory, Qais) with a long track record
- 25-year labour and material warranties honoured without fuss
- Transparent, detailed quotes with no pressure on small jobs
- Photo updates and thorough cleanup during jobs
Google-verified154 Google reviewsover 20 years
Services: roof repair, roofing contractor, residential roofing, flat roofing
2. Right Choice Roofing and Repair
4.9 (86 reviews)score 89/100
Right Choice carries the highest star average in the group, 4.9 from 86 reviews, and customers single out owner Frank for showing up quickly and giving straight advice, including telling a customer to get a second quote when it made sense. Confidence sits at medium given the smaller review count, but the sentiment is consistently strong.
- Owner-led with 20+ years of experience
- Next-day availability, including Saturdays
- Drone inspection available for hard-to-reach areas
- Photo documentation sent during the work
Google-verified86 Google reviewssince 2007
Services: roof repair, emergency 24 7, roofing contractor, residential roofing
3. Professional Roofers.
4.6 (560 reviews)score 84/100
Professional Roofers has by far the deepest review base here, 560 reviews at a 4.6 average, so the track record is well established even if the sentiment score trails the leaders slightly. Named staff like Alfredo, Diego, Jason, Adam, and Edison get repeat mentions for drone assessments, competitive quotes, and thorough site cleanup.
- Drone-based inspections with video documentation
- Named staff stay accountable project to project
- Thorough cleanup and debris removal after work
- Competitive pricing against multiple quotes
Watch out: A handful of reviewers mention slow email replies and an occasional missed appointment, so calling directly is the safer bet.
Google-verified560 Google reviews
Services: roof repair, eavestrough gutters, emergency 24 7, roofing contractor
4. AAA Roofmasters
4.5 (87 reviews)score 84/100
AAA Roofmasters earns its spot with a 4.5 rating over 87 reviews and a pattern of honest scoping, customers note the crew recommends economical fixes instead of pushing full replacements. Same-day turnarounds, including a raccoon-damage repair finished in three hours, back up the responsiveness praise.
- Same-day emergency response
- Honest scoping that avoids unnecessary upsells
- Named technicians Roy and Jason known for follow-through
- GAF, IKO, BP, and CertainTeed certified
Google-verified87 Google reviewssince 1989
Services: roof repair, emergency 24 7, residential roofing, flat roofing
5. Toronto Roofer
4.9 (27 reviews)score 79/100
Toronto Roofer posts the top star rating in this list, 4.9 from 27 reviews, though the smaller sample means medium confidence. Tim's crew, including Vitaly and Ishmael, gets consistent praise for same-day response and detailed, clean work at fair prices.
- Same-day emergency response
- Thorough inspections with photo documentation
- Named crew members known for detail-oriented work
- Sites left clean after the job
Watch out: One older review flagged a 2-month warranty limit and some reluctance to cover a follow-up issue after flashing work.
Google-verified27 Google reviews30 years of experience in the roofing industry
Services: roof repair, emergency 24 7, roofing contractor, residential roofing
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Guides before you choose
- Attic ventilation and insulation: why it matters for your roof and energy bills
How attic insulation and ventilation work together to protect a roof from ice damming and moisture, and what signs suggest yours is out of balance.