Since 1937, Thornton & Grooms has been a trusted name in heating, cooling, and plumbing for Metro Detroit residents. We're a family-owned and operated business committed to providing exceptional customer service, quality workmanship, and honest pricing.
Our Services
We offer a comprehensive range of services to keep your home comfortable and efficient year-round. Some of our offerings include:
Heating
- Furnace and boiler installations, repairs, and tune-ups
- Comprehensive heating system maintenance plans
- Emergency heating repairs
Cooling
- A/C installation, repair, and tune-up services
- Professional advice on choosing the right cooling system for your home
- Preventive cooling maintenance plans
Plumbing
- Water heater repairs and installations
- Plumbing repair and maintenance services
- Drain and sewer cleaning and unclogging
Air Quality
- Indoor air quality assessments and solutions
- Smart thermostat installations
- Air purifier and humidifier installation
Additional Services
- Financing options for your comfort needs
- Preventive maintenance plans that save you money in the long run
- Referral programs and discounts for new customers
What Sets Us Apart?
At Thornton & Grooms, we pride ourselves on:
- Experienced and certified technicians: Our team undergoes rigorous training and has extensive experience in all aspects of HVAC and plumbing.
- Honest and upfront pricing: We provide clear and transparent quotes before any work is done.
- Customer-centric approach: We value open communication and personalized solutions to meet your unique needs.
- Commitment to quality: We stand behind our workmanship with solid warranties and guarantees.
Our Promise
At Thornton & Grooms, our mission is to provide you with the highest quality and most reliable heating, cooling, and plumbing services in the Metro Detroit area. We are dedicated to exceeding your expectations and becoming your trusted partner in home comfort.

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