Enjoy Comfort, Clean Air & Energy Savings — HVAC & Home Service Experts in Gastonia, Hickory, Charlotte & Surrounding Areas
We provide expert AC repairs, tune-ups, and replacements on all types of cooling systems. Voted top air conditioning company in Gaston County.
Enjoy cleaner, healthier air with our top-rated duct cleaning services. We inspect, clean and sanitize your duct system to remove dirt, dust, and allergens.
GSM is proud to be Gastonia’s trusted Generac dealer! Never lose power again with our reliable home standby generators installed by certified experts.
Enjoy a range of home insulation options and solutions tailored to your home’s unique needs, maximizing energy efficiency and comfort every season.
Our crawl space services enhance air quality, control humidity, and prevent damage with solutions like mold removal, encapsulations, and dehumidification systems.
Visit our commercial services site to explore all our HVAC and roofing solutions for commercial properties.
GSM Services is Gastonia’s trusted expert for complete home comfort solutions. Since 1927, we've helped homeowners enhance comfort, boost energy efficiency, and improve indoor air quality with reliable HVAC services, insulation, duct cleaning, standby generators, crawl space encapsulations and more.
Unlike contractors who may be hard to reach, we prioritize your comfort and needs. With thousands of satisfied homeowners across Gaston County, we understand the importance of fast, reliable and affordable service.
We’re paw-sitive you’ll love our service! Schedule online anytime or Call (704) 864-0344 to get started.
- Alexis, NC
- Ballantyne
- Belmont
- Belwood, NC
- Bessemer City
- Blacksburg
- Boiling Springs
- Casar
- Charlotte, NC
- Cherryville
- Claremont
- Clover
- Conover
- Cornelius
- Cramerton
- Crouse
- Dallas, NC
- Davidson
- Denver, NC
- Earl
- Fallston
- Fort Mill
- Gastonia, NC
- Grover
- Harrisburg
- Hickory
- High Shoals
- Huntersville
- India Hook
- Indian Land
- Indian Trail
- Iron Station
- Kings Mountain
- Kingstown
- Lake Wylie
- Lattimore
- Lawndale
- Light Oak
- Lincolnton
- Lowell
- Lowesville
- Maiden
- Matthews
- McAdenville
- Mint Hill
- Mooresboro
- Mount Holly
- Newport, SC
- Newton, NC
- Patterson Springs
- Pineville
- Polkville
- Ranlo
- Riverview
- Rock Hill
- Sharon
- Shelby
- Sherrills Ford
- Smyrna
- Spencer Mountain
- Stallings
- Stanley
- Tega Cay
- Vale
- Waco
- Weddington
- Westport
- York
You guys have given us so much in return in our 98 years in business. That’s why we work so hard to give back to our customers by supporting several great causes in Gastonia and Gastonia.
Guarding your heating and air system is our mascot, Max. This intrepid pup can also be counted on to fight mold and seal leaks and cracks. He sets out every day to ensure every home in Gastonia feels cozy and relaxed. His deft paws filter the air, so no allergens attack. With his top-dog insulation services, warmth never lacks. When it comes to blissful comfort in Gaston County, Max always has your back.