Welcome to GSM Services

When it comes to heating and air services, there’s no substitute
for professional experience.

GSM Heating and Cooling has been a leader in the industry for more than 80 years. Our team of experts is always growing – both in size and in knowing how to provide the most reliable heating and air service, installation, repair, and maintenance in our area. We stay on the cutting edge so that you can get the best new equipment, technology, and money-saving ideas for keeping your home or business comfortable year-round.

We know you’re busier than ever – so you need a one-stop shop for your heating and air needs to make heating and cooling your home simple. We provide solutions to your problems, residential or commercial. Our customers range from families in need of a new air conditioning unit to business owners struggling with humidity control in their offices. No matter what the issue is, we’ll make fixing the problem quick and easy, so that the whole process is convenient for you. We want you to be comfortable, so our goal is quick and knowledgeable service.

GSM has been serving Gaston and surrounding counties for 87 years, providing expert heating and cooling services to your friends and neighbors. You’ll recognize our team members by their professionalism and courtesy. There’s not a problem our team hasn’t seen and can’t solve.

You can call on us when you need services like:
     • Routine maintenance
     • Planned maintenance
     • Fully insured, licensed, and bonded
     • Servicing all makes and models
     • Energy efficiency evaluations
     • Emergency response
     • Fully trained professional technicians

There’s a reason GSM Heating and Cooling is the number one preferred heating and cooling service provider in the Gaston County area. Our reputation for excellence and unbeatable commitment to customer satisfaction makes us the clear choice when deciding to call for heating and air assistance.

Call 704-864-0344 for expert heating and air services now.

Everyone we had contact with was very courteous and helpful. Kelly's no-pressure salesmanship won us over! He was helpful, without judging us. Owen explained how our new thermostat worked and made..


Which commercial HVAC service myths have cost you the most? So many misconceptions surround commercial HVAC service, it’s hard to separate fact from fiction. Because many businesses don’t own the buildings they’re housed in, it’s also sometimes  .....
read more >
How does your commercial heating system perform on the job? One of the easiest ways to increase productivity is by supplying adequate commercial heating for your workers and clientele. That’s not always easy depending upon the industry you’re working in. Fo .....
read more >
What’s one of the best ways to cut residential heating and air costs? Many things impact your residential heating and air costs. It’s amazing how even the slightest adjustments can help you save (or cost you) a bundle. For instance, you can help your HVAC  .....
read more >
visit our blog >
GSM Service GSM Service