In HVAC & Air Conditioning ServicesRegion London regional results
What are the best HVAC companies in London, ON?
AI Visibility Ranking
Brands ordered by GenRank score for this question.
DirectionalQuestion-level figures rest on at most 5 answers per brand, so treat them as direction, not a verdict; the category ranking is the number to judge by. Scores are for the week of 2026-11-08.
| Rank | Brand | Named by | Score |
|---|---|---|---|
| 1 | Donaldson Home Services | 4/5 | 57.5 |
| 2 | Builders Choice Air Systems | 3/5 | 30.9 |
| 3 | Peter Inch & Associates | 2/5 | 28.5 |
| 4 | MaxCare Heating & Cooling | 3/5 | 23.5 |
| 5 | M & K Heating and Air Conditioning | 2/5 | 16.8 |
| 6 | Handy Bros. Home Comfort | 1/5 | 12.5 |
| 7 | Reliance London Heating, Air Conditioning & Plumbing | 1/5 | 12.3 |
| 8 | TSSA directory | 1/5 | 11.8 |
| 9 | TSSA | 1/5 | 11.2 |
| 10 | Roy Inch & Sons Home Services by Enercare | 1/5 | 10.8 |
Sources these answers cited
The sites each surface's answer cited this week. The logos are the surfaces that cited the site.
| Source | Cited by |
|---|---|
| builderschoiceair.comBuilders Choice Air Systems |   2 surfaces |
| fivebest.caBest HVAC Companies in London, ON | FiveBest |   2 surfaces |
| msarch.caBest HVAC contractors in London, ON (2026) | MSARCH | 2 surfaces |
| threebestrated.ca3 Best HVAC Services in London - Expert Recommendations | 2 surfaces |
| contractorsranked.comBest HVAC Contractors in London, ON (2026): 129 Ranked | 1 surfaces |
| donaldsonheating.caDonaldson Home Services | HVAC & Plumbing in London, ON | 1 surfaces |
| handybros.comHandy Bros. Home Comfort: London HVAC contractor | Heating & Cooling Installation, Repair & Maintenance - handybros.com | 1 surfaces |
| hawana.caHawana HVAC London Ontario | 1 surfaces |
| hvacdatabase.comHVAC Contractors in London, Ontario | HVACDatabase | 1 surfaces |
| london.cdncompanies.comTop 10 Best HVAC contractors in London, ON | 1 surfaces |
| maxcareheatingandcooling.comMaxcare Heating And Cooling | 1 surfaces |
| peterinch.caPeter Inch & Associates | 1 surfaces |
4 more
Rank trend
Rank trends are drawn once two weekly editions under the same methodology exist. Only the first edition is in so far.