(248) 644-7810

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Company References and Affiliations

We are proud of our tradition of excellence serving homeowners in Michigan and we encourage our customers to check our references. We are fortunate to work side by side with the best companies in Detroit and in the Heating, Cooling and Plumbing Industry. These organizations work with, audit, and support our efforts to achieve 100% customer satisfaction.

Listed below are just a few of those affiliations for your easy reference. We look forward to serving you!
Air Conditioning Contractors of America

Air Conditioning Contractors of America

The ACCA is a non-profit association serving more than 60,000 professionals in the HVACR community promoting efficiency, healthy indoor environments and professional contracting.
Angie's List

Angie's List Homeowners Grapevine

The Angie's List "Homeowners Grapevine" collects ratings for home service business across the country.

Better Business Bureau Accredited Business

The BBB serves communities across America evaluate and monitor local and national businesses and charities.
The Birmingham Bloomfield Chamber

The Birmingham Bloomfield Chamber of Commerce

The Birmingham Bloomfield Chamber’s mission is to serve our six communities as their leading resource for advancing business interests and building relationships.
Greater Farmington Area Chamber of Commerce

Greater Farmington Area Chamber of Commerce

The GFA Chamber is a not-for-profit organization focused on business growth, economic development, community involvement and good government.
HomeAdvisor Top Rated


25,000,000+ homeowners just like you have used HomeAdvisor to find a trusted home service professional
Nexstar Network Member

Independent Residential Service Contractors Association

Nexstar is a business development and best practices organization that delivers training and support to independent home service contractors. Thornton and Grooms is a Nexstar Network Accredited Contractor.


A heating and cooling system is one the most important investments you can make in your home. Though a sudden breakdown may force you to make the decision quickly, it’s not a choice you want to take lightly because it impacts your comfort, safety and wallet.
Michigan Plumbing & Mechanical Contractors Association

Michigan Plumbing & Mechanical Contractor’s Association

The MPMCA is dedicated to the promotion, advancement, education and training of the industry for the protections of our environment and the health, safety, and comfort of our citizens.

North American Technician Excellence

NATE is a leading non-profit certification program for technicians in the heating, ventilation, air-conditioning and refrigeration industry.
Plumbing Heating Cooling Contractors Association

Plumbing-Heating-Cooling Contractors Association

The Plumbing-Heating-Cooling Contractors Association of America has more than 3,500 members who manage businesses in the residential service industry.
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Contact Us

Thornton & Grooms
24565 Hallwood Ct
Farmington Hills, MI 48335
(248) 644-7810
Mon-Fri: 7am-7pm
Sat: 8am-4pm
Sun: Closed
24/7 for Emergency Service
MI Plumbing Lic. #: 8106666
MI Contractors Lic. #: 7100232
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Hearts and Heroes

Hearts & Heroes

Help Thornton and Grooms Give Back to the Community With Your Vote! Cast your vote for your favorite charity to give them a chance at a $1000 donation from Thornton and Grooms.

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