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50+ Years
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Emergency
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Trusted HVAC, Plumbing & Electrical Services in Farmington Hills, MI
Established in 1937, Thornton & Grooms has built an enduring reputation as a trusted provider of heating, cooling, plumbing, and electrical services in the Farmington Hills, MI area. Our commitment to customer satisfaction is reflected in our 4.9 average rating and over 15,000 reviews, underscoring our dedication to quality and reliability. We prioritize personalized service, ensuring every technician who enters your home is professionally trained, background-checked, and committed to upholding our standards. Our comprehensive solutions include same-day service, upfront pricing, and warranties such as a one-year parts and labor guarantee for heating systems and a 10-year standard parts warranty for furnace and boiler installations.

We invest in continuous training for our team to maintain technical expertise and deliver accurate assessments. The We Care Guarantee reinforces our promise of 5-star service, while our Home Care Club offers maintenance programs, repair savings, and emergency service within one business day. Serving communities across metro Detroit for over 85 years, we combine local knowledge with industry-leading practices to address urgent needs like frozen pipes or HVAC failures. Our focus on community, professionalism, and transparency has made us a preferred choice for residents seeking dependable home comfort solutions.
Services
A/C Repair Furnace Installation Water Heater Repair Drain Unclogging Electrical Panel Services Heat Pump Installation Sump Pump Repair Air Purifier Installation Plumbing Leak Repair HVAC Tune-Ups
Details
  • Year established: 1937
Highlights and features
  • We offer 85+ years of experience in HVAC and plumbing services.
  • Our team undergoes continuous training for expert service.
  • We provide same-day service with a one-year warranty.
  • Our We Care Guarantee ensures customer satisfaction.
  • We serve Farmington Hills and surrounding areas with licensed professionals.
What people say
Top notch Knowledgeable Overwhelmed by the level of service Excellent service Highly recommend
Services
A/C Repair
Prompt repair of air conditioning systems ensures optimal summer comfort. Our technicians diagnose and fix issues like refrigerant leaks, compressor failures, and thermostat malfunctions. Customers benefit from expert recommendations and assistance with qualifying rebates.
Furnace Installation
Professional installation of state-of-the-art heating systems includes a one-year parts and labor warranty. We offer energy-efficient models with 10-year standard parts warranties, ensuring long-term reliability and winter comfort for homeowners.
Water Heater Repair
Our plumbers repair and install all water heater brands, addressing leaks, heating element failures, and sediment buildup. Services include tankless options and water quality solutions to maintain clean, safe household water.
Drain Unclogging
Fast, efficient same-day service removes stubborn clogs using advanced techniques. We handle bathroom, kitchen, and main sewer line blockages, restoring proper drainage and preventing water damage in homes.
Electrical Panel Services
Comprehensive electrical panel services include repairs, upgrades, and safety inspections starting at $89. Our licensed electricians address circuit breaker issues, wiring problems, and surge protection to ensure safe, reliable home electrical systems.
Questions
What services does Thornton & Grooms offer?
We provide HVAC repair/installation, plumbing services, electrical work, drain cleaning, and air/water quality solutions in metro Detroit.
Do you offer emergency service?
Yes, we guarantee emergency service within one business day for heating, cooling, or plumbing crises.
What warranties do you provide?
Heating systems include a one-year parts/labor warranty; furnace/boiler installations have a 10-year standard parts warranty.
Are your technicians licensed and insured?
Yes, all technicians are licensed, background-checked, and drug-tested with Michigan Plumbing License #8106666 and Contractors License #7100232.
Do you serve areas outside Farmington Hills?
We serve Ann Arbor, Birmingham, Novi, Rochester Hills, and surrounding communities across metro Detroit.
What financing options are available?
Our Home Care Club offers maintenance plans starting at $20/month with repair discounts and priority service scheduling.
Reviews (4)
Steven Nemeth
Jun 21, 2022 Report
Dan Beckett my service technician was just an all around great guy! From the moment he came inside it felt like he was more of a friend and not a salesperson. He was very very thorough in his checks and explanations of things and I enjoyed that he welcomed me to watch him and stand nearby. I have used Thornton and grooms a few times, I'm a member of the yearly subscription program which is great, and I can't recommend them enough! Would also like to add that Brian Marshall the salesmen that came out later the same evening was very professional as well! Great company all around.
Kathy I. Kindred
Jun 14, 2022 Report
Very nice & professional, he came in and went right to work on unclogging the tub drain. He also took the time to thoroughly explain to me about how to avoid having it happen again. I would definitely refer him & this company to my friends & family. I am very happy with the quality & efficiency of his work. My family & I are very Happy new customers of Thornton & Groom.
Angie Graham
Jun 06, 2022 Report
John and his partner did an excellent job! I am very happy with how professional they were and the great job that they did. He explained to me the benefits of the Home care club and we decided to take the package. I have had many people here to deal with the drain issues in the past. This is the first experience with your company and I am very happy! Thank you! Brad came out and did a follow up camera inspection. He was very informative and answered all of my questions!
Nassie Camille
May 25, 2022 Report
Brandon was exceptional! He was very thorough with explaining the entire process to me as well as extremely polite. He was determined to fix my clogged drain and he never got discouraged or gave up. I am completely satisfied with his work and enjoyed him as my technician. His personality was a fresh of breath air, you could really tell he enjoyed his job and life!