GSM Services has set itself apart with superior customer service, reliability, and quality of work for over 97 years in Shelby, NC!
We are your one stop shop for home comfort solutions. We're a licensed & insured heating & air conditioning contractor, hvac duct cleaning, crawl space experts, & insulation pros in Shelby. We help people live better through improved home comfort, air quality, and energy efficiency.
If you are in need of repair, installation, tune up, or any other heating & cooling, crawl space, insulation, home mold solutions, or air duct cleaning services you are in the right place!
Try our free, online price calculators. Get a quote for your home in 30 seconds!
Welcome to GSM Services – the leading experts in crawl space restoration and repair. Is your crawl space causing issues such as moisture, mold, or structural damage? Don't worry; you're in the right place. We specialize in turning crawl space nightmares into healthy, functional, and energy-efficient spaces. We offer FREE Crawl Space Inspections. We will check the humidity level, look for any mold or growth, inspect your home's insulation and air duct system, air leakage, air quality and more! We can provide you different solutions to create a healthy, comfortable, and safe environment under and inside your home. Some of the crawl space services we offer are Whole Home Dehumidifiers, Crawl Space Encapsulations, Vapor Barrier, Crawl Space Insulation, Crawl Space Cleaning & Air Sealing, Sump Pumps, Crawl Space Mold Removal, Crawl Space Door Replacements, and much more. Schedule your Free Inspection today!
GSM Services recently did a job at a home in Shelby, NC. The coworkers involved on this project were Shane Groves, Shawn Messer, Owen Driscoll,...[Read More]
SunChutter radiant barrier installation underway. This attic will be much cooler in the summer.
More comfort
Home improvements are a great way to start off your new years resolution of "saving money". Take a look at your heating and cooling costs and have a Whole Home Energy Evaluation done.... [Read more]
Do you need a wifi thermostat in your home? How much does a wifi thermostat cost? What makes a wifi thermostat smart? How much money can you save with a wifi thermostat?... [Read more]
What Is a Home Energy Audit? A home energy audit is a service provided by GSM Services to help you determine what you can do to make your home more efficient and help your AC and heating equipment to perform better. You get an assessment of your home, and you can get a custom plan for healthier air, energy savings, and comfort and most importantly, we will do this FREE to provide you the best options to improve your home comfort....[Read more]
28150, 28151, 28152, 28150, 28151, 28152
Our Service Advisors work hard to keep you comfortable! We thoroughly clean and service your system to bring it back to life. Regular maintenance extends the life of your heating system.
AC & Furnace Replacement in Shelby, NC
2025 Best Heating & Cooling Company
GSM Voted 2025 Community Choice Award Winner.
2024 Community Choice Award Winner
Voted Best Local HVAC Company in 2024.
2023 Community Choice Award Winner
Voted Best Heating & AC Company & Best Home Service Provider in the county.
Best of Gaston 2022
GSM Services won Best Heating & Cooling Company and Top Place To Work in the County!
Best Contractor to Work For - ACHR News
Named Best Contractor to Work For by ACHR News, a leading national industry publication in 2021.
Top Place to Work in Charlotte
GSM was recognized as one of the Top Places to Work in 2019 by The Charlotte Observer.
Crawlspace Encapsulation before and after
HVAC Call, Before & After of an AC Unit changeout
HVAC Call, Performed an installation of a new furnace and duct system
Ductwork Call, Replaced the entire duct system
Furnace Call, Performed an installation of a new furnace
Furnace Call, Performed a replacement of a furnace.
Encapsulation Call, Performed an installation of a Sante Fe Dehumidifier and encapsulated the crawl space.
Ac Unit Install, Heating Unit Install