HVAC Professional
ONAS Heating & Cooling Corp. O/A Ontario Air Services
Vaughan, ON
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Verified ListingServing Vaughan & area
0out of 100
ProScore
-2 over 2 mo
5★ Google|1/4 Sources
This score reflects 143 verified reviews.
How is this calculated?About ONAS Heating & Cooling Corp. O/A Ontario Air Services
AI-generated summary from verified data sources
Serving Vaughan, ONAS Heating & Cooling Corp. O/A Ontario Air Services is an established HVAC contractor in the region. With a 5.0★ rating from 143 Google reviews, they are among the top-rated in their area.
Google
5★ (143)
Rated on 1 independent platform
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What Customers Say
AI analysis of 3-4 verified Google reviews
Top Strengths
Flawless installation that is extremely clean and well-organized
Fast emergency response and quick problem resolution
High level of professionalism and technical skill demonstrated
Performance Breakdown
✨ Quality4.5
💬 Communication4.2
👔 Professionalism4.4
⏰ Reliability4.3
🎓 Expertise4.1
heat pump installationquick and efficient serviceprofessional teamemergency repair responseclean workmanship
Ratings Across Platforms
Aggregated from independent sources. Only ProScore shows all.
G
Google
5/5
H
Review Site B
B
BBB
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Review Site C
The ProScore Trust Score aggregates ratings from all verified sources, weighted by review volume, recency, and platform credibility.
Things to Know
Highly Rated
Consistently rated 5 stars across 143+ Google reviews.
Google Review Breakdown
143 total5
143
4
0
3
0
2
0
1
0
Featured Review
Verified review from Google
“
ONAS Heating & Cooling Corp. exceeded my expectations. From start to finish, their team demonstrated a high level of professionalism and technical skill. The installation was not only flawless but also extremely clean and well-organized. It’s rare to find contractors who care this much about both quality and presentation. Highly recommend!
A
A. M.
Google Review
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Frequently Asked Questions
Is ONAS Heating & Cooling Corp. O/A Ontario Air Services licensed?
Licensing status has not been verified for ONAS Heating & Cooling Corp. O/A Ontario Air Services. Contact them directly to confirm current credentials before hiring.
Does ONAS Heating & Cooling Corp. O/A Ontario Air Services have insurance?
WSIB insurance status is not verified for ONAS Heating & Cooling Corp. O/A Ontario Air Services. Request proof of workplace insurance and liability coverage before hiring.
What is ONAS Heating & Cooling Corp. O/A Ontario Air Services’s rating?
ONAS Heating & Cooling Corp. O/A Ontario Air Services has a ProScore Trust Score of 50/100 (Basic), calculated from 1 verified data source including 143 Google reviews.
Where is ONAS Heating & Cooling Corp. O/A Ontario Air Services located?
ONAS Heating & Cooling Corp. O/A Ontario Air Services is a hvac serving Vaughan, Ontario. You can reach them at +1 647-687-4911. View their full profile on ProScore for verified reviews and credentials.
Data Transparency
SourcesGoogle, multiple verified platforms
Last updated2026-05-06
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Checked by ProScore
What is the ProScore?
The ProScore aggregates ratings from multiple review platforms into a single score from 0 to 100. Unlike platforms that show only their own reviews, the ProScore gives you the complete picture. Scores are capped for providers with limited source verification.
≥82
Elite
≥70
Trusted
≥55
Good
≥30
Basic
<30
Caution
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