Who SI recommends for HVAC companies in Forest Hill, MD

We asked ChatGPT, Claude, Gemini and Google 27 times, the way a customer would. This is how often each one named each business. Measured October 24, 2026.

The ranking

1. Forest Hill Heating & Air: named in 24 of 27 answers, 4.9 stars from 62 Google reviews
2. Anchor Mechanical LLC: named in 21 of 27 answers, 4.9 stars from 403 Google reviews
3. Blue Dot. Heating Air Conditioning Plumbing: named in 17 of 27 answers, 4.5 stars from 8200 Google reviews
4. First Response Heating & Cooling: named in 17 of 27 answers, 4.8 stars from 386 Google reviews
5. Krause Companies: named in 16 of 27 answers, 4.1 stars from 65 Google reviews
6. Krause Heating & Air Conditioning: named in 14 of 27 answers, 4.8 stars from 15 Google reviews
7. Mullhausen Heating & Air Conditioning Company: named in 14 of 27 answers, 4.9 stars from 21 Google reviews
8. Elite HVAC Services Inc.: named in 13 of 27 answers
9. Horizon: named in 9 of 27 answers
10. Griff's Heating and Air: named in 7 of 27 answers, 5.0 stars from 156 Google reviews
11. Comfort Air: named in 6 of 27 answers, 5.0 stars from 77 Google reviews
12. Pure Air HVAC: named in 4 of 27 answers, 5.0 stars from 469 Google reviews
13. HGH Mechanical: named in 4 of 27 answers, 4.9 stars from 354 Google reviews
14. Champion Heating & Cooling: named in 3 of 27 answers
15. Harford APJ HVAC and R: named in 3 of 27 answers, 5.0 stars from 58 Google reviews
16. Mercury Home Services: named in 2 of 27 answers
17. Blessed Cooling N Heating Services, LLC: named in 2 of 27 answers
18. Hughes Mechanical: named in 2 of 27 answers, 4.8 stars from 453 Google reviews
19. HVAC Detectives: named in 1 of 27 answers
20. Watkins Oil: named in 1 of 27 answers
21. HEA Heating and Cooling, L.L.C.: named in 1 of 27 answers
22. Mister Insulation LLC: named in 1 of 27 answers
23. Hamilton Plumbing, Heating & Air Conditioning: named in 1 of 27 answers

On Google Maps, but never named by SI

• Excel HVAC Services: Google Maps #5, named in 0 of 27 answers
• James A. Quick, Inc.: Google Maps #12, named in 0 of 27 answers
• Clarksburg's Heating and Air Conditioning: Google Maps #14, named in 0 of 27 answers
• Eco-Cool HVAC: Google Maps #16, named in 0 of 27 answers

How this was measured

Each AI was asked these questions 3 times each, with Forest Hill, MD as the asker's location, and each question was searched once on Google:

1. What are the best hvac companies in Forest Hill, MD?
2. Can you recommend an hvac company in Forest Hill, Maryland?
3. Which hvac company near Forest Hill, MD do people trust most?

Rankings are never for sale. Each one shows the day it was measured.