Heating, Cooling, & Plumbing Services in Commerce, MI

The Township of Commerce, MI has a motto we love. It says, "when you're here, you're family." It's a motto that Thornton & Grooms takes to heart when we're out assisting one of the ten thousand local households. In fact, Commerce homeowners have relied on us for cooling, heating, and plumbing services for over 85 years!

We service the entire community, from the neighborhoods near Beacon Hill Golf Club to the south of Wolverine Lake. So whether you need a heat pump repaired, a drain unclogged, or an AC installed, our licensed pros are here to help. Call today and see why Commerce homeowners rate us a 5-star service company!

Reliable Repairs & Replacements by Commerce's Most Trusted Home Service Company

Hiring Qualified Professionals:

You'll enjoy working with our licensed experts from the first call to the final handshake.

Taking a Prevention-First Approach:

Annual maintenance is proven to save you money. So we prioritize check-ups over selling new systems.

Honoring Our We Care Guarantee:

Showing we care by guaranteeing our professionalism, reputation, and convenience each day.

Service Overview

Highest-Rated Home Service Professionals in Commerce, MI

Thornton & Grooms has deep roots within the Township of Commerce that date back to the 1930s. Since then, we've served hundreds of households in the local area, providing heating, cooling, and plumbing services when needed. No other contractor is more consistent in their response times and customer service than the team at Thornton & Grooms. We're here for you whether you need a repair in the middle of the week or on a Saturday afternoon.

Thousands of customers have rated us a 5-star service company. Contact us today and see why your friends and neighbors put your trust in us!

Service Details

How Can We Help You Today?

  • Heating Service in Commerce

    Thornton & Grooms is trusted by thousands of homeowners in Commerce every year for heating tune-ups, repairs, and replacements. No other team of HVAC specialists takes more pride and care in their work than we do. We're so confident in our ability to provide 5-star heating service that we guarantee it with our We Care Guarantee.

    Also, we promise to arrive on time and give you a heads up before arriving at your home. That's just common courtesy. You can also expect more options for both repairs and replacement systems. Our inventory of heating systems is one of the largest in the state, and we can help you find the perfect system match during a complimentary estimate. You can even get started right now by taking our online Comfort Survey.

  • Cooling Service in Commerce

    When temperatures soar and ACs break down, you can count on the licensed professionals at Thornton & Grooms to be there for you. From AC installations and replacements to repairs, we provide honest diagnostics and upfront pricing for all AC makes and models. Our certified Replacement Specialists will walk you through your options and answer all of your questions without pushing for a sale. We're honest professionals who work to help homeowners in Commerce find the system best for their homes and budgets.

  • Plumbing Service in Commerce

    Thornton & Grooms is the most trusted plumbing service provider in Commerce, with an outstanding 4.9 out of 5 stars based on thousands of reviews from other homeowners in the local area. Our plumbers and drain technicians can handle any plumbing issue you have, from water heater repairs and replacements to drain and sewer installations and more.

    We know that not all plumbing repairs can wait. That's why we're open late on weekdays and even Saturdays for your convenience. Whenever you have a plumbing emergency, don't hesitate to call us.

Home Care Club

Join the Home Care Club and Save on Home Services

Get lower monthly energy bills and avoid expensive A/C repairs by joining the Home Care Club. With bi-annual HVAC check-ups, our comfort specialists will catch small issues before they snowball into costly fixes. Plus, with yearly maintenance, you’ll keep your A/C equipment under warranty for as long as possible.

Additionally, plan members receive:

  • Markdowns on HVAC, plumbing, and drain repairs
  • Discounts on comfort system replacements
  • Extended warranties
  • Lower service fees
  • And more...


Celebrating 85+ years of service in the great state of Michigan

I will certainly use this company again…”

"Very pleased with this repair. Very professional. I have had Thornton and Grooms to my home in the past and have always had excellent service. I will certainly use this company again and highly recommend them to people I know."

-Janis S. | Commerce Homeowner

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Guarantees You Won't Find Anywhere Else

We promise to provide our customers with 5-star service—no matter what. If you are not satisfied with our level of service at any point, we ask that you inform us so we can make it right before we leave your home.

Real Guarantees
  • Professionalism

    We are a team of skilled, knowledgeable professionals who undergo regular training to provide top-notch service and solutions at a fair cost.

  • Reputation

    We truly care about providing 5-star service to our customers and our community. With thousands of Google reviews (we reply to each one!), it seems our customers agree.

  • Convenience

    We know customers already have enough to deal with, so we offer friendly and convenient service from the first call to our post-service process.

Schedule Your Home Service Visit in Commerce with Thornton & Grooms Today