About Harbins

The only HVAC and refrigeration systems resource you’ll ever need

An Industry Leader

For over three decades, Harbin’s Mechanical Services has had a reputation as an industry leader in metro Atlanta. We offer a full complement of customized HVAC and refrigeration services and solutions to serve all of your facility’s heating and cooling needs. Our expertise lies in installing, maintaining, and repairing commercial HVAC equipment for businesses of all sizes. Whether you need a small office system, a large cooling tower, a rooftop package unit, a split system, or even a specialized application for a large commercial system, we’ll take care of you with expert workmanship, top-of-the-line products and a superior service guarantee.

Rest Easy

Our top-notch professionals have extensive experience in HVAC planning, commercial refrigeration, consulting, design, installation, and service. Rest easy knowing that all of our service professionals have undergone rigorous training requirements and each adheres to the strictest safety standards.
When precise and uninterrupted heating, cooling, dehumidification, air flow or refrigeration units are an integral part of your business process, you can count on the services of Harbin’s to keep your systems performing to satisfy your customers and keep your production lines running at peak performance.

Memberships and Affiliations

Griffin-Spalding Chamber of Commerce

Henry County Chamber of Commerce

Metro Atlanta Chamber of Commerce

Business Owners and Managers Association

A History of Service and Commitment

HMSI was founded in 1990 by current Vice-President David Harbin. David and his wife Pam who is the President of Harbin’s, share a passion for excellence and will do whatever it takes to ensure customers are completely satisfied. Their  motto – “Customer service and hospitality are the keys to success” – has made Harbin’s a metro Atlanta leader in commercial HVAC and refrigeration services.
Two decades later, Harbin’s dedication to quality products and superior customer service is still the force behind the company’s success. It’s that passion for excellence that continues to make us stand out from our competitors in the metro area.

Discover the Harbin’s Difference

At HMSI, our customers always come first. When you work with us, you have our assurance that we will handle your projects using the highest quality products and services, with a focus on your unique needs, and our 24/7 commitment to customer satisfaction.

We’re experienced. We’re responsive. And we care about you.

Contact Us

11 Bridges Rd, McDonough, GA 30253