A Family Legacy Built on Quality & Trust

About us

A Family Tradition of Comfort Since 1946

Man on couch using laptop, air conditioner above, plant to the left, white brick wall.

For more than 75 years, Stewart Adams & Son Heating & Air Conditioning LLC has been the trusted name for reliable heating, cooling, and air quality services in Port Huron, MI. As a family-owned and locally operated HVAC company, we are committed to delivering honest workmanship, dependable service, and long-lasting comfort solutions for homeowners and businesses throughout St. Clair County and the Blue Water Area.

We believe every customer deserves high-quality service at a fair price. From friendly service calls to full system installations, our team is dedicated to treating every home with the respect and care it deserves. Our licensed and certified technicians bring decades of experience, professionalism, and industry expertise to every job.

Quality is everything. We stake our reputation on it. That’s why we strive to provide the very best HVAC services to all our customers, and our extensive training, skills, and experience ensure that you’re getting just that. Our years of work in the field, combined with our extensive training, make for high-quality heating and air conditioning services that are simply unmatched.

But that’s not all. When you choose us for your HVAC needs, you’re also getting the friendly service and integrity that only a local business like us can provide. See our exceptional service for yourself by scheduling a service appointment today.

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HVAC technician working on an air conditioner unit on a rooftop.