HVAC Professional

MarZ Heating & Cooling Inc.

St. Catharines, ON

Emergency ServiceTSSA LicensedBBB AccreditedResponds to Reviews

+1 437-238-6556 Website

2 Credentials Verified

75out of 100

Trusted

ProScore

This score reflects 115 Google reviews, licensed and verified.

How is this calculated?

Score updated: Oct 2026

About MarZ Heating & Cooling Inc.

AI-generated summary from ProScore data sources

MarZ Heating & Cooling Inc. provides HVAC repairs and installations in St. Catharines, available 24/7.

MarZ Heating & Cooling Inc.: ProScore 75, 1st of 14 scored HVAC contractors in St. Catharines.
115 Google reviews (5.0 stars; median 13) for MarZ Heating & Cooling Inc., ahead of 15 of 16 HVAC contractors.

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Ratings Across Platforms

Aggregated from independent sources. Only ProScore shows all.

2 sources · 115 reviews

GoogleListing found

Google Business Profile reviews

5.0/5

115 reviews

BBBListing found

Better Business Bureau · accredited · as of March 2026

A+Rating · accredited

Not found on 2 other platforms ProScore checks (Review platform B, Review platform C).

ProScore aggregates Google, the BBB and other major review platforms. Some sources are not named publicly.

How sources are weighted: ProScore methodology.

Things to Know

Trusted Level

Scores in ProScore’s Trusted tier — strong, consistent signals across the sources ProScore checks.

Highly Rated

Consistently rated 5.0 stars across 115 Google reviews.

TSSA Licensed

Licensed with the Technical Standards and Safety Authority — confirmed against the register.

BBB Accredited · A+

Better Business Bureau accredited with an A+ rating.

Open 24 Hours

Every posted day shows 24-hour availability.

Google Review Breakdown

115 total

115

Featured 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

Crystal GC

Google Review

Photos & Work

1 photo

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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 75/100 (Trusted), calculated from 2 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 reviews and credentials.

Business Details

25 Linfield Dr, St. Catharines, ON L2N 5T7

HVAC

View on Google Maps

Hours

Every dayOpen 24 hours

Services Offered

AC installationFurnace repairDuctworkHVAC maintenanceHeat pump installationThermostat installation

Services & Info

Open 24 HoursEmergency ServiceOnline estimates

Amenities

Gender-neutral washroom

Offerings

Repair servicesInstallation service

Accessibility

Wheelchair accessible seatingWheelchair-accessible washroom

Service options

Credentials

TSSA License

FS-R-51547

✓ Confirmed

Insurance

Not Confirmed

Credentials are as reported by contractors and public sources — verify each with the contractor and the issuing authority before hiring.Check it yourself: WSIB clearance · TSSA fuels contractor registry

Homeowner Guides

How much does this service cost in Ontario?Red flags when hiring HVAC FAQs in St. Catharines View all guides →

Data Transparency

Sources: Google, BBB, and Ontario regulatory records
Score computed: October 13, 2026

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Checked by ProScore

What is the ProScore?

One score from 0 to 100 across every review platform and public registry ProScore checks. How the ProScore works

≥81

Elite

≥70

Trusted

≥54

Good

≥30

Basic

<30

Caution

—

Not yet rated

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A ProScore is informational only — not a guarantee, endorsement, or recommendation — and the data behind it may be incomplete or out of date. Before hiring, independently verify all credentials, including licences, insurance (including WSIB) and references, directly with the contractor and the issuing authority. Full data notice. Something wrong? Let us know.