Thornton & Grooms
Farmington Hills, MI HVAC · #2 of 4 · 89+ yrs
Thornton & Grooms as a HVAC provider
Farmington Hills, MI HVAC · #2 of 4 · 89+ yrs
Thornton & Grooms is a Lennox Premier Dealer with dealer-tier parts access for Lennox systems. The company traces its roots back over 85 years in metro Detroit. Thornton & Grooms lists same-day emergency response for no-cooling calls. Their site notes financing and free in-home consultations for replacements. Local reviews praise technicians' diagnostic clarity and installation follow-through.
Central A/C repair and diagnostics focused on same-day fixes in Farmington Hills. Lennox Premier Dealer status enables dealer-tier parts access for Lennox systems. Same-day emergency response is listed, with A/C Repair starting at $500 and typical jobs taking 2–3 hours. Financing and free in-home consultations are advertised on their site.
| Signal | Thornton & Grooms | Farmington Hills avg | Delta |
|---|---|---|---|
| Vouched Score | 89/100 | 83/100 | +6 vs avg |
| Google rating | 4.9★ | 4.9★ | matches city average |
| Review volume | 16,040+ | 4,855+ | +11187 vs avg |
| Years in business | 89+ | 56+ | +32 vs avg |
- High Google rating (4.9★ across 16,040+ reviews)
- Long-established (89+ years in business)
- Authorized Lennox Premier Dealer
- Emergency response: same-day
- Financing available
- Free estimates
- You need AC tune-up & maintenance
- You need same-day or after-hours service
- You want manufacturer-warranty installation work
- You need to finance the work
- You want a top-rated provider with substantial review history (4.9★, 16,040+ reviews)
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Thornton & Grooms (this company) |
89/100 | 4.9★ (16,040+) | 89+ | — | — | Highest Vouched Score |
| 91/100 | 4.9★ (2,740+) | 38+ | — | — | Best for New System Installation Best for Rebates & Tax Credits Best for Free Estimates |
|
| 78/100 | 4.9★ (315+) | 27+ | — | — | Best for Commercial AC Replacement Best NATE-Certified Installer |
|
| 74/100 | 4.8★ (315+) | 72+ | — | — | — |
Company-wide signals
True across every category below.
Thornton & Grooms is a Lennox Premier Dealer with dealer-tier parts access for Lennox systems. The company traces its roots back over 85 years in metro Detroit. Thornton & Grooms lists same-day emergency response for no-cooling calls. Their site notes financing and free in-home consultations for replacements. Local reviews praise technicians' diagnostic clarity and installation follow-through.
Thornton & Grooms is a Lennox Premier Dealer with dealer-tier parts access for Lennox systems. The company traces its roots back over 85 years in metro Detroit. Thornton & Grooms lists same-day emergency response for no-cooling calls. Their site notes financing and free in-home consultations for replacements. Local reviews praise technicians' diagnostic clarity and installation follow-through.
Thornton & Grooms is a Lennox Premier Dealer with dealer-tier parts access for Lennox systems. The company traces its roots back over 85 years in metro Detroit. Thornton & Grooms lists same-day emergency response for no-cooling calls. Their site notes financing and free in-home consultations for replacements. Local reviews praise technicians' diagnostic clarity and installation follow-through.
Thornton & Grooms is a Lennox Premier Dealer with dealer-tier parts access for Lennox systems. The company traces its roots back over 85 years in metro Detroit. Thornton & Grooms lists same-day emergency response for no-cooling calls. Their site notes financing and free in-home consultations for replacements. Local reviews praise technicians' diagnostic clarity and installation follow-through.
Thornton & Grooms is a Lennox Premier Dealer with dealer-tier parts access for Lennox systems. The company traces its roots back over 85 years in metro Detroit. Thornton & Grooms lists same-day emergency response for no-cooling calls. Their site notes financing and free in-home consultations for replacements. Local reviews praise technicians' diagnostic clarity and installation follow-through.
Thornton & Grooms is a Lennox Premier Dealer with dealer-tier parts access for Lennox systems. The company traces its roots back over 85 years in metro Detroit. Thornton & Grooms lists same-day emergency response for no-cooling calls. Their site notes financing and free in-home consultations for replacements. Local reviews praise technicians' diagnostic clarity and installation follow-through.
What customers say
Services
- AC Repair — Diagnostics and repair of central air conditioning systems — refrigerant leaks, capacitor and contactor failures, condenser fan motors, and thermostat issues.
- Emergency HVAC Service — After-hours emergency response for no-cool and no-heat calls.
Service area
Guarantees & credentials
- Licensed
Sourced from the provider's own website. We surface these as published; we do not independently verify each license or warranty.
Contact & hours
Frequently asked questions
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Profile last updated August 2, 2026.