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HVAC Professional

Hartwig Heating & Air Conditioning Ltd. logoHartwig Heating & Air Conditioning Ltd.

Fergus, ON
Compare with similar hvac providers in Fergus →
Emergency ServiceTSSA Licensed
+1 519-843-1763 Website(opens in new tab)
1 Credential Verified
ProScore

This score reflects 37 Google reviews, licensed and verified.

How is this calculated?
Score updated: Oct 2026

About Hartwig Heating & Air Conditioning Ltd.

AI-generated summary from ProScore data sources

Hartwig Heating & Air Conditioning Ltd. handles HVAC repair work in Fergus, Ontario, and operates weekdays.

  • Hartwig Heating & Air Conditioning Ltd.: ProScore 69, 2nd of 4 scored HVAC contractors in Fergus.
  • 37 Google reviews (4.9 stars; median 23) for Hartwig Heating & Air Conditioning Ltd., ahead of 2 of 3 HVAC contractors.
Rated on 1 independent platformProScore found ratings for this business on 1 independent review platform. Each one is listed in "Ratings Across Platforms" below.Government-licensed

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Ratings Across Platforms

Aggregated from independent sources. Only ProScore shows all.

1 source · 37 reviews
GoogleListing found
Google Business Profile reviews
4.9/5
37 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 4.9 stars across 37 Google reviews.

TSSA Licensed

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

Google Review Breakdown

37 total
5
36
4
0
3
0
2
1
1
0

Other top rated hvac in Fergus

Motion Services
80
Fergus
4.9(155)
Upper Grand Refrigeration Htg
45
Fergus
5(8)
CGC Group Inc.
28
Fergus
3.3(3)

Frequently Asked Questions

Is Hartwig Heating & Air Conditioning Ltd. licensed?
Yes, Hartwig Heating & Air Conditioning Ltd. holds a TSSA licence, verified by ProScore against the Technical Standards and Safety Authority database.
Does Hartwig Heating & Air Conditioning Ltd. have insurance?
WSIB insurance status is not verified for Hartwig Heating & Air Conditioning Ltd.. Request proof of workplace insurance and liability coverage before hiring.
What is Hartwig Heating & Air Conditioning Ltd.’s rating?
Hartwig Heating & Air Conditioning Ltd. has a ProScore Trust Score of 69/100 (Good), calculated from 1 data source including 37 Google reviews.
Where is Hartwig Heating & Air Conditioning Ltd. located?
Hartwig Heating & Air Conditioning Ltd. is a hvac serving Fergus, Ontario. You can reach them at +1 519-843-1763. View their full profile on ProScore for reviews and credentials.

Business Details

820 Gartshore St unit 25, Fergus, ON N1M 2W8
HVAC
View on Google Maps

Hours

Monday7a.m.-5p.m.
Tuesday7a.m.-5p.m.
Wednesday7a.m.-5p.m.
Thursday7a.m.-5p.m.
Friday7a.m.-5p.m.
SaturdayClosed
SundayClosed

Services Offered

AC installationFurnace repairDuctworkHVAC maintenanceHeat pump installationThermostat installation

Services & Info

Emergency Service

Offerings

Repair services

Credentials

TSSA License
000299648
✓ Confirmed
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 FergusView all guides →

Data Transparency

Sources
Google 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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Compare HVAC Contractors in Fergus

See how Hartwig Heating & Air Conditioning Ltd. ranks against other hvac contractors in Fergus on ProScore.

View ranked list of hvac contractors in Fergus →

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.