HVAC Professional

A To Z Heating & Cooling

Mississauga, ON

Emergency Service

+1 416-992-5315 Website

Serving Mississauga & area

66out of 100

Good

ProScore

This score reflects ratings from 2 platforms in all.

How is this calculated?

Score updated: Oct 2026

About A To Z Heating & Cooling

AI-generated summary from ProScore data sources

A To Z Heating & Cooling, based in Mississauga, handles HVAC repairs and is open seven days a week.

A To Z Heating & Cooling: one of 103 HVAC contractors in Mississauga.

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Ratings Across Platforms

Aggregated from independent sources. Only ProScore shows all.

2 sources · 64 reviews

GoogleListing found

Google Business Profile reviews

5.0/5

3 reviews

Review platform BListing found

Independent review platform · name withheld by policy

5.0/5

61 reviews

Not found on 2 other platforms ProScore checks (BBB, 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

Rated on Multiple Platforms

Independently rated on 2 review platforms — ratings that agree across sources are harder to game.

Google Review Breakdown

3 total

Photos & Work

1 photo

Other top rated hvac in Mississauga

MH Heating and Cooling Solutions

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5(208)

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Frequently Asked Questions

Is A To Z Heating & Cooling licensed?

Licensing status has not been verified for A To Z Heating & Cooling. Contact them directly to confirm current credentials before hiring.

Does A To Z Heating & Cooling have insurance?

WSIB insurance status is not verified for A To Z Heating & Cooling. Request proof of workplace insurance and liability coverage before hiring.

What is A To Z Heating & Cooling’s rating?

A To Z Heating & Cooling has a ProScore Trust Score of 66/100 (Good), calculated from 2 data sources including 3 Google reviews.

Where is A To Z Heating & Cooling located?

A To Z Heating & Cooling is a hvac serving Mississauga, Ontario. You can reach them at +1 416-992-5315. View their full profile on ProScore for reviews and credentials.

Business Details

7648 Roselle Crescent, Mississauga, ON L4T 3N2

HVAC

View on Google Maps

Hours

Every day7a.m.-8p.m.

Services Offered

AC installationFurnace repairDuctworkHVAC maintenanceHeat pump installationThermostat installation

Services & Info

Emergency Service

Offerings

Repair services

Credentials

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 Mississauga View all guides →

Data Transparency

Sources: Google and major review platforms
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.