Donaldson Heating and Air Conditioning
This score reflects 2746 Google reviews, licensed and verified.
How is this calculated?About Donaldson Heating and Air Conditioning
Donaldson Heating and Air Conditioning is a family-owned HVAC contractor in London that handles repair and on-site service work, open six days a week.
- Donaldson Heating and Air Conditioning: ProScore 84, 1st of 42 scored HVAC contractors in London.
- 2746 Google reviews (4.9 stars; median 35) for Donaldson Heating and Air Conditioning, ahead of 41 of 41 HVAC contractors.
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What Customers Say
Top Strengths
Areas to Watch
Ratings Across Platforms
Aggregated from independent sources. Only ProScore shows all.
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.
Things to Know
Elite Status
Scores in ProScore’s Elite tier — the highest level a HVAC contractor can reach, earned from strong, consistent signals across the sources ProScore checks.
Highly Rated
Consistently rated 4.9 stars across 2,746 Google 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: technician quality, pleasant and respectful, family-owned business.
Google Review Breakdown
2,746 totalFeatured Review
From Google
It was notable from my initial phone call with the receptionist, to Jen the Comfort Specialist (sales) who came to our house to discuss the possibility of purchasing a new furnace, and to Pat & Keifer who installed our new Trane furnace. I can say the service and interaction I had with everybody at Donaldson Home Service was second to none.<br>I had been with one of the "monopoly companies" that have the lion's share of all HVAC & Water Heater business throughout Ontario for many years. Over the
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Frequently Asked Questions
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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is informational only — not a guarantee, endorsement, or recommendation — and the data behind it may be incomplete or out of date.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.