Leaders in the Heating & Cooling Industry Since 1927

Leave Your Comfort To Us

Contact Us For An Estimate!

100% customer satisfaction guarantee

Check out our new podcast featuring all the positive things happening in and around Gaston County, NC!

In memory of Robert Shook & James Lewis

"The adventure of life is to learn. The purpose of life is to grow. The nature of life is to change. The challenge of life is to overcome. The essence of life is to care. The opportunity of life is to serve. The secret of life is to dare. The spice of life is to befriend. The beauty of life is to give."

- William Arthur Ward

Why Greater Charlotte Homeowners Choose Us

Been in business since 1927

24/7 emergency service

Here's What Our Past Customers Have to Say

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By Beverly E.
Belmont, NC
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By Bev E.
Belmont, NC
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By Christopher
King, NC

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Recent Projects Our Crews Have Completed

Furnace Service & Installation Experts Near Huntersville, Gastonia, Mount Holly, Fort Mill

Get Quality Solutions For All of Your HVAC & Home Insulation Needs

Most people don't realize what it means to maximize the comfort, efficiency, and health inside their home or building. At GSM Services, we help people live better through improved comfort, health, and energy efficiency. By upgrading insulation, replacing old heating and air conditioning systems, or installing a new generator, we can improve your energy efficiency and comfort all year round.

You deserve to feel comfortable no matter the season or the weather. That means your HVAC system needs to be efficiently working day and night. When something goes wrong or it's time to upgrade, most contractors are difficult to get on the phone, impossible to schedule an appointment with, and simply can't guide you to make the best decision. Your comfort shouldn't be dependent on contractors who don't make you a priority.

GSM Services has worked with thousands of property owners throughout Greater Charlotte and understands how frustrating it can be when you can't get someone to show up and solve your home energy problems. We've been taking care of our customers' comfort since 1927 with a team of experienced personnel, many with more than 30 years at our company alone. This unmatched experience has led us to build reliable processes that serve you. This includes immediate scheduling, consistent follow-through, and guidance to help you choose the right options for your home or building's comfort, health, and efficiency needs.

Our Core Characteristics

  • Knowledgeable and competent problem solvers
  • You can rely on us to provide work that meets the highest standards
  • Dependable, responsive, and reliable
  • Customer-focused service and work at the customer's convenience

Get started by scheduling a home energy audit. We will assess your entire property and make recommendations that are guaranteed to improve the energy efficiency and comfort of your home or building. We also offer free service estimates throughout North Carolina in Huntersville, Gastonia, Mount Holly, Fort Mill, and nearby.

Schedule a Free Home Energy Audit & Service Estimate

GSM Services has been in business since 1927, providing high-quality home and commercial improvement services to the Greater Charlotte area. We offer a wide variety of services for residential and commercial properties, including heating and cooling, insulation, and roof repair and replacement.

With outstanding quality and service, we are the North Carolina contractors you can trust. When you work with us, you can always count on exceptional craftsmanship and fantastic customer service. We look forward to the opportunity to serve you and your home or commercial property. Contact us today for a FREE service estimate!

Our goal is to help homeowners in Greater Charlotte fix their uncomfortable homes by using our proven methods to improve energy efficiency. Our wide variety of services allows us to create a custom plan based on what issues your home is currently facing.

Our Promise to You

  • To listen: Our customers know more about what issues they are dealing with than we do
  • To learn: By listening to our customers and staying on top of the latest innovations, we can solve problems
  • To deliver: We solve problems with high-quality solutions and reliable service
  • To please: 100% Customer Satisfaction Guarantee
Member of Ductless America
Mitsubishi Diamond Contractor Elite
Nest Elite Pro Dealer
Air Conditioning Contractors of America
BPI Certified
NATE Certified
National Comfort Institute
Plumbing Heating Cooling Contractors Association
Service Nation Alliance
Service Roundtable
Gaston Outside
Gaston Regional Chamber