❄️ Official Rankings
10 Best HVAC in Farmington Hills, MI (August 2026)
We compared 10 hvac serving Farmington Hills and Oakland County, Michigan, and ranked the top providers by verified reviews, ratings, and local reputation — 26,496 customer reviews in all.
The 10 listed below hold an average rating of 4.9 out of 5, led by Thornton & Grooms. Updated for August 2026.
- HVAC ranked
- 10
- Average rating
- 4.9★
- Reviews analyzed
- 26,496
- Area codes
- 248, 734
Thornton & Grooms
⭐ 4.9 · 15963 reviews
24565 Hallwood Ct, Farmington Hills, MI 48335
Randazzo Heating & Cooling
⭐ 4.9 · 2505 reviews
23485 Industrial Park Dr, Farmington Hills, MI 48335
Ehlers Heating & Cooling
⭐ 4.9 · 1287 reviews
30885 Eight Mile W, Livonia, MI 48152
Carter's Plumbing, Heating & Cooling of Farmington Hills
⭐ 4.9 · 1056 reviews
21525 Hancock St, Farmington Hills, MI 48336
Great Dane Heating, Cooling, Electrical, & Plumbing
⭐ 4.9 · 305 reviews
27280 Haggerty Rd C-19, Farmington Hills, MI 48331
AJ Danboise
⭐ 4.8 · 2943 reviews
23800 Industrial Park Dr, Farmington Hills, MI 48335
Harriman Heating & Air Conditioning
⭐ 4.8 · 1663 reviews
20764 Whitlock St, Farmington Hills, MI 48336
Farmington Heating & Cooling
⭐ 4.9 · 79 reviews
23105 Power Rd, Farmington, MI 48336
Hartford & Ratliff Co Inc
⭐ 4.8 · 381 reviews
32708 Eight Mile W, Farmington, MI 48336
Diversified
⭐ 4.8 · 314 reviews
20789 Parker St, Farmington Hills, MI 48336