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HVAC Professional

HVAC BOSS logoHVAC BOSS

Markham, ON
Compare with similar hvac providers in Markham →
Emergency Service
+1 416-835-2131 Website(opens in new tab)
Serving Markham & area
ProScore

This score reflects 29 Google reviews.

How is this calculated?
Score updated: Oct 2026

About HVAC BOSS

AI-generated summary from ProScore data sources

HVAC BOSS works on heating and cooling work across Markham, Ontario and the nearby area.

  • HVAC BOSS: one of 25 HVAC contractors in Markham.
Rated on 1 independent platformProScore found ratings for this business on 1 independent review platform. Each one is listed in "Ratings Across Platforms" below.

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Ratings Across Platforms

Aggregated from independent sources. Only ProScore shows all.

1 source · 29 reviews
GoogleListing found
Google Business Profile reviews
5.0/5
29 reviews

Not found on 3 other platforms ProScore checks (Review platform B, 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

Highly Rated

Consistently rated 5.0 stars across 29 Google reviews.

Google Review Breakdown

29 total
5
29
4
0
3
0
2
0
1
0

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High Efficiency Cooling & Heating Inc.
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Frequently Asked Questions

Is HVAC BOSS licensed?
Licensing status has not been verified for HVAC BOSS. Contact them directly to confirm current credentials before hiring.
Does HVAC BOSS have insurance?
WSIB insurance status is not verified for HVAC BOSS. Request proof of workplace insurance and liability coverage before hiring.
What is HVAC BOSS’s rating?
HVAC BOSS has a ProScore Trust Score of 58/100 (Good), calculated from 1 data source including 29 Google reviews.
Where is HVAC BOSS located?
HVAC BOSS is a hvac serving Markham, Ontario. You can reach them at +1 416-835-2131. View their full profile on ProScore for reviews and credentials.

Business Details

55 Austin Dr, Markham, ON L3R 8H5
HVAC
View on Google Maps

Hours

Every day8a.m.-11:30p.m.

Services Offered

AC installationFurnace repairDuctworkHVAC maintenanceHeat pump installationThermostat installation
Emergency Service

Credentials

Insurance
Not Confirmed
WSIB Coverage
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 hiringHVAC FAQs in MarkhamView all guides →

Data Transparency

Sources
Google
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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Compare HVAC Contractors in Markham

See how HVAC BOSS ranks against other hvac contractors in Markham on ProScore.

View ranked list of hvac contractors in Markham →

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.