MarZ Heating & Cooling Inc.
This score reflects 115 verified reviews, across 2 platforms, licensed and verified.
How is this calculated?About MarZ Heating & Cooling Inc.
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.
Is this your business?
Claim your profile to access your Trust Score dashboard, respond to reviews, and unlock growth tools.
What Customers Say
Top Strengths
Ratings Across Platforms
Aggregated from independent sources. Only ProScore shows all.
Things to Know
Trusted Contractor
Meets ProScore verification standards for quality and reliability.
Highly Rated
Consistently rated 5 stars across 115+ Google reviews.
Google Review Breakdown
115 totalFeatured 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
Other top rated hvac in St. Catharines
Homeowner Guides
Frequently Asked Questions
Is MarZ Heating & Cooling Inc. licensed?
Does MarZ Heating & Cooling Inc. have insurance?
What is MarZ Heating & Cooling Inc.’s rating?
Where is MarZ Heating & Cooling Inc. located?
Data Transparency
Is this your business?
Claim your profile to update info, add photos, and respond to reviews
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.
Are you the owner of this business? Dispute this score
Still researching?
Before you hire, read: 5 questions to ask every hvac →
Compare HVAC Contractors in St. Catharines
See how MarZ Heating & Cooling Inc. ranks against other verified hvac contractors in St. Catharines on ProScore.