Heating, Cooling, Plumbing in Farmington Hills, MI

Trusted & Guaranteed. Bringing Comfort to Your Home. 

Serving the Metro Detroit community for over 85 years, Thornton & Grooms puts people before profits with:

Qualified Professionals

You'll enjoy working with us from the first call to the final handshake. With nearly nine thousand 5-star reviews, it looks like Detroit Metro homeowners agree with us! We hire skilled professionals who undergo regular training and are professional in attire, experience, and character.

Prevention-First Approach

Annual maintenance matters more to us than selling new systems. We want to help customers keep their energy bills down, their HVAC and plumbing systems lasting long, and avoid breakdowns with our precision tune-ups.

We Care Guarantee

We show we care by guaranteeing our professionalism, reputation, and convenience daily. By adapting to the needs of our customers, we promise to provide 5-star service, or we will make it right.

Our Services

Comfort Protection

Join Metro Detroit's Most Popular Maintenance Plan!

Join over 10,000 others who have experienced Thornton & Grooms' Home Care Club. Benefits include:
  • Regular tune-ups for all home comfort systems
  • Discounts on common HVAC & plumbing repairs
  • Longer parts & labor warranties

...and much, much more!

About Us

Why choose us...

Since 1937, we've set the bar for professional service and backed our first-rate services with solid, written guarantees.

  • Wrench Icon

    For Your Next Service Call

    An unwavering focus on people guides every action we take at Thornton & Grooms. That's as true today as it was in 1937, when we took our first service call.

  • Calendar Icon

    For Your Next Career

    We extend the same kindness to our team members as our customers. If you're a driven, hard-working professional looking to make a difference in people's lives, we're the company for you. We help build and train our team via our HVAC Academy and Plumbing Academy programs.


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

Really pleased with the service and pricing…”

"We've been using T&G for years for our heating, cooling and plumbing. We've been really pleased with the service and pricing. David B. did an excellent job installing our two new furnaces and thermostats and has provided excellent service in maintaining them."

-Kay K.

Read Reviews Attention arrow

Ready for HVAC or Plumbing Service That Puts You First?