HVAC Professional
MarZ Heating & Cooling Inc.
St. Catharines, ON
Compare with similar hvac providers in St. Catharines →Emergency ServiceTSSA LicensedBBB AccreditedResponds to Reviews
Verified Listing2 Credentials Verified
0out of 100
ProScore
+5 over 2 mo
5★ Google|2/4 Sources
This score reflects 115 verified reviews, across 2 platforms, licensed and verified.
How is this calculated?About MarZ Heating & Cooling Inc.
AI-generated summary from verified data sources
Serving St. Catharines, MarZ Heating & Cooling Inc. is an established HVAC contractor in the region. With a 5.0★ rating from 115 Google reviews, they are among the top-rated in their area. TSSA licensed (#FS-R-51547) — a mark of professional credibility.
Google
5★ (115)
BBB
Excellent
Rated on 2 independent platforms
Government-licensed
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What Customers Say
AI analysis of 5+ verified Google reviews
Top Strengths
Rapid emergency response - arrived within an hour during a historic storm and worked in freezing conditions on roof
Team professionalism and technical knowledge - described as 'knowledgeable', 'honest', 'punctual' with ability to identify and fix problems quickly
Personable approach and customer care - Marlon specifically praised for being 'nice', 'genuine', showing comfort and answering all questions thoroughly
Performance Breakdown
✨ Quality4.9
💬 Communication4.8
👔 Professionalism4.9
💰 Value4.7
⏰ Reliability4.9
🎓 Expertise4.8
professional techniciansfast/reliable serviceemergency responsefurnace installation and repairhonest and trustworthy
Ratings Across Platforms
Aggregated from independent sources. Only ProScore shows all.
G
Google
5/5
H
Review Site B
B
BBB
Excellent
T
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 115+ Google reviews.
Google Review Breakdown
115 total5
115
4
0
3
0
2
0
1
0
Featured Review
Verified review from Google
“
I attend church in Toronto’s west end. Two weeks ago (end of January 2026 approximately), something went wrong with our heating system. It was freezing inside the main auditorium where all the activities take place throughout the day. We have a lot of children and seniors so getting the heat back on was an urgent matter. Marlon arrived and immediately climbed up onto the roof, in freezing temperatures, and was able to identify and fix the problem quickly. We started to feel the auditorium gettin
C
Crystal GC
Google Review
Other top rated hvac in St. Catharines
Homeowner Guides
Frequently Asked Questions
Is MarZ Heating & Cooling Inc. licensed?
Yes, MarZ Heating & Cooling Inc. holds a TSSA licence, verified by ProScore against the Technical Standards and Safety Authority database.
Does MarZ Heating & Cooling Inc. have insurance?
WSIB insurance status is not verified for MarZ Heating & Cooling Inc.. Request proof of workplace insurance and liability coverage before hiring.
What is MarZ Heating & Cooling Inc.’s rating?
MarZ Heating & Cooling Inc. has a ProScore Trust Score of 69/100 (Good), calculated from 2 verified data sources including 115 Google reviews.
Where is MarZ Heating & Cooling Inc. located?
MarZ Heating & Cooling Inc. is a hvac serving St. Catharines, Ontario. You can reach them at +1 437-238-6556. 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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