HVAC Professional

Corestar Mechanical Ltd

New Dundee, ON

Emergency ServiceWSIBTSSA LicensedBBB Accredited

+1 519-579-5037 Website

3 Credentials Verified

77out of 100

Trusted

ProScore

This score reflects 58 Google reviews, licensed and verified.

How is this calculated?

Score updated: Oct 2026

About Corestar Mechanical Ltd

AI-generated summary from ProScore data sources

Corestar Mechanical Ltd installs and repairs furnaces and air conditioning systems in New Dundee, with a track record of reliable workmanship and fast turnaround on urgent calls.

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What Customers Say

AI analysis of 7 Google reviews

Top Strengths

Consistently excellent workmanship and installation quality across furnace/AC replacements

Fast response times and quick turnaround on urgent repairs and installations

Professional, courteous, and polite staff with no high-pressure sales tactics

excellent serviceprofessional workmanshipquick responsefurnace replacementlong-term reliability

Ratings Across Platforms

Aggregated from independent sources. Only ProScore shows all.

2 sources · 58 reviews

GoogleListing found

Google Business Profile reviews

4.5/5

58 reviews

BBBListing found

Better Business Bureau · accredited · as of March 2026

A+Rating · accredited

No rating yet on Review platform C. Not found on Review platform B.

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.

Well Reviewed

4.5 star average on Google with 58 reviews.

WSIB Verified

Workplace Safety and Insurance Board coverage confirmed — you're protected.

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.

What Reviews Highlight

Reviews mention: excellent service, professional workmanship, quick response.

Google Review Breakdown

58 total

Featured Review

From Google

“

Quit searching! Corestar will provide the type of excellent service you’re looking for, one that I just experienced.<br>From an initial urgent repair completed in a timely fashion by Josh, to an in home, no sales pressure consultation from Shaun and the impressive workmanship by Scott in replacing my 16yr old furnace, can only lead me to recommend Corestar.

Gwyn Morgan

Google Review

Photos & Work

1 photo

Frequently Asked Questions

Is Corestar Mechanical Ltd licensed?

Yes, Corestar Mechanical Ltd holds a TSSA licence, verified by ProScore against the Technical Standards and Safety Authority database.

Does Corestar Mechanical Ltd have insurance?

Yes, Corestar Mechanical Ltd has verified WSIB (Workplace Safety and Insurance Board) coverage, which protects homeowners from liability if a worker is injured on the job.

What is Corestar Mechanical Ltd’s rating?

Corestar Mechanical Ltd has a ProScore Trust Score of 77/100 (Trusted), calculated from 2 data sources including 58 Google reviews.

Where is Corestar Mechanical Ltd located?

Corestar Mechanical Ltd is a hvac serving New Dundee, Ontario. You can reach them at +1 519-579-5037. View their full profile on ProScore for reviews and credentials.

Business Details

2015 Fischer-Hallman Rd R.R. # 1, New Dundee, ON N2R 1R8

HVAC

View on Google Maps

Hours

Monday8a.m.-4:30p.m.

Tuesday8a.m.-4:30p.m.

Wednesday8a.m.-4:30p.m.

Thursday8a.m.-4:30p.m.

Friday8a.m.-4:30p.m.

SaturdayClosed

SundayClosed

Services Offered

AC installationFurnace repairDuctworkHVAC maintenanceHeat pump installationThermostat installation

Emergency Service

Credentials

TSSA License

FS R0076526235

✓ 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 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.