Expert AC Repair, HVAC Replacement & Installation in Gastonia, Charlotte & Surrounding Areas
We provide expert AC repairs, tune-ups, and system replacements for all types of cooling systems. Voted top air conditioning company in Gaston County.
Top-rated duct cleaning services in Gastonia. We clean and sanitize your ductwork to remove dirt, dust, and allergens. Enjoy cleaner, healthier air!
Charlotte’s trusted Generac dealer and installer—Certified home standby generator installations.
We offer home insulation services in Charlotte, maximizing energy efficiency and comfort.
Improve air quality, humidity, and stop mold with our crawl space services in Gastonia. Book a FREE crawlspace inspection for encapsulation solutions.
Visit our commercial services site to explore all our HVAC and roofing solutions for commercial properties.
GSM Services has been the trusted local heating & cooling company since 1927, offering free service calls with repairs, instant online quotes, easy online scheduling & fast, reliable service. From AC repair & replacement to home comfort solutions, we've got you covered.
We've helped thousands of homeowners enhance comfort, improve energy efficiency & boost indoor air quality throughout Gastonia, Charlotte & the surrounding areas.
Unlike contractors who can be hard to reach, GSM Services puts your comfort first. With a 4.9-star Google rating and thousands of customer reviews, we provide fast, reliable & affordable HVAC Services, Air Conditioning Repair, Insulation, Duct Cleaning, Standby Generators, Crawl Space Repair, Encapsulations & more. We’re paw-sitive you’ll love our service! Schedule online anytime or Call (704) 864-0344 to get started.
- Alexis, NC
- Ballantyne, NC
- Belmont, NC
- Belwood, NC
- Bessemer City, NC
- Blacksburg, SC
- Boiling Springs, NC
- Casar, NC
- Charlotte, NC
- Cherryville, NC
- Claremont, NC
- Clover, SC
- Conover, NC
- Cornelius, NC
- Cramerton, NC
- Crouse, NC
- Dallas, NC
- Davidson, NC
- Denver, NC
- Earl, NC
- Fallston, NC
- Fort Mill, SC
- Gaffney, SC
- Gastonia, NC
- Grover
- Harrisburg
- Hickory Grove
- Hickory, NC
- High Shoals
- Huntersville, NC
- India Hook
- Indian Land
- Indian Trail
- Iron Station
- Kings Mountain, NC
- Kingstown
- Lake Wylie
- Lattimore
- Lawndale
- Lesslie
- Light Oak
- Lincolnton, NC
- Lowell, NC
- Lowesville
- Maiden, NC
- Matthews, NC
- McAdenville, NC
- McConnells
- Mint Hill
- Mooresboro
- Mooresville, NC
- Mount Holly, NC
- Newport, SC
- Newton, NC
- Patterson Springs
- Pineville, NC
- Polkville
- Ranlo, NC
- Riverview, SC
- Rock Hill
- Rock Hill
- Sharon
- Shelby, NC
- Sherrills Ford
- Smyrna
- Smyrna
- Spencer Mountain
- Stallings
- Stanley, NC
- Tega Cay
- Vale
- Waco
- Weddington
- Westport
- York
You guys have given us so much in return in our 99 years in business. That’s why we work so hard to give back to our customers by supporting several great causes in Gastonia and Charlotte.
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.