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Claim This BusinessThornton & Grooms has served Farmington Hills and the greater Oakland County region for decades, earning a 4.9-star rating across 15,772 reviews. The company maintains extended weekday hours from 6 AM to 7 PM and Saturday service, accommodating busy schedules. Operating as a full-service heating, cooling, and plumbing contractor, the team handles everything from routine maintenance to complex system replacements for residential customers throughout the metro area.
What distinguishes Thornton & Grooms is their coordinated team approach and commitment to thoroughness. Multiple reviewers highlight same-day scheduling for urgent needs, with technicians arriving prepared to diagnose issues comprehensively. The company offers transparent pricing and takes time to explain options, whether recommending a replacement for an aging 21-year-old system or handling unexpected discoveries during installation.
Customer stories from recent reviews name specific technicians who delivered exceptional service. Chad and Paul installed a tankless water heater, going beyond the original scope to install new fittings and lines. Nick handled plumbing work including toilet reinstallation, icemaker water line connections, and water heater vent corrections while ensuring code compliance. Mike Lilley conducted one of the most detailed heating system inspections a homeowner had ever experienced, identifying critical replacement needs. The installation team of John Torres and Jesse Smith completed a full system replacement in four hours, leaving the space clean and configuring smart monitoring equipment.
With a 4.9-star average across 15,772 reviews, Thornton & Grooms receives consistent praise for technician knowledge and thoroughness. Positive reviews specifically commend named staff including Chad, Paul, Nick, Mike Lilley, Tequila, John Torres, and Jesse Smith for their professionalism and expertise. Reviewers frequently mention same-day scheduling availability and the company's ability to handle complex multi-technician projects.
| Sunday | Closed |
| Monday | 6 AM–7 PM |
| Tuesday | 6 AM–7 PM |
| Wednesday | 6 AM–7 PM |
| ThursdayToday | 6 AM–7 PM |
| Friday | 6 AM–7 PM |
| Saturday | 7 AM–4 PM |
Diagnose and repair cooling system issues, perform seasonal tune-ups to maintain efficiency and extend equipment life.
Replace aging furnaces and heating systems with new equipment, including same-day installation scheduling for qualifying projects.
Install on-demand water heaters with new fittings and lines as needed, going beyond base scope for proper setup.
Handle toilet installation, icemaker connections, water heater venting, and general plumbing repairs to code.
Conduct thorough diagnostic evaluations explaining system performance, expected lifespan, and replacement recommendations.