Air Conditioning

Air Conditioning Repair & Installation in Huntersville, Shelby, Charlotte & Nearby!

We provide repairs, tune-ups & replacements for cooling systems

Motor Starter replacement (1 of 5)

GSM technicians step by step replacement of a cooling unit motor starter. Watch Video

Here at GSM Services, our skilled technicians can diagnose your air conditioning system and provide the right services to prolong the life of your cooling system and keep your home comfortable.

We provide repair and maintenance services for all brands and models of central and ductless air conditioners.

To schedule your air conditioning system inspection and tune-up, call us today! We also provide free, up-front estimates for air conditioning replacement and installation in Huntersville, Shelby, Charlotte and throughout North Carolina.

Learn more about the air conditioning services we offer

AC Repair Services in Gastonia, NC

Our technicians are insured, certified and prepared to repair your AC unit.

AC Installation Services in Charlotte, NC

Upgrade your cooling system for optimal energy efficiency.

AC Service & Maintenance in Concord

Reduce your energy bills by scheduling annual service for your AC system.

Services for many air conditioning types

Learn more about your current air conditioner or find the right replacement.

Before and After
  • Air Conditioning Precision Tune Up in Huntersville NC
    Air Conditioning Precision Tune Up in Huntersville NC

    We recommend having a service tune up on your air conditioning and heating systems each year.  Under our (ESA) energy saving agreement, having tune ups performed regularly helps keep your home running efficiently and your family comfortable.

    We recently went out to this customers home in Huntersville, NC to perform their summer tune up for their air conditioning system, removing their dirt and debris from their cooling system.

  • Cooling System Tune Up - Electrical
    Cooling System Tune Up - Electrical

    Another clean tune up to maintain the life of the system

    by: James L.

  • Installation of a ductless mini split in Lincolnton, NC
    Installation of a ductless mini split in Lincolnton, NC

    GSM Services installed a ductless mini split heating and cooling system in the bonus room over a garage.

  • Air Conditioning Service in Charlotte, NC
    Air Conditioning Service in Charlotte, NC

    This homeowner had previously had a unit installed by GSM Services. Over time, it collected debris, like leaves and dust. The homeowner decided to call us for a FREE estimate on air conditioning service because they knew regular maintenance can help keep her system running smoothly and efficiently. We gladly visited the Charlotte, NC home to solve the issue. 

    As soon as we recognized the debris around the unit, we knew that was the problem and had it removed. We also replaced parts of the unit that were not running as efficiently as they did when they were brand new. 

    Now, this homeowner is experiencing better air conditioning throughout the home. 

We provide services for all types of cooling systems, including:


GSM was established in Gastonia, NC in 1927.  They specialize in designing, engineering & installing complete comfort systems for businesses & homes.  

TruComfort Signature Series Air Conditioner

GSM's TruComfort Signature Series air conditioner is engineered to serve our climate and maximize both efficiency and comfort. This line provides the highest efficiency with a low operating cost. It was designed for ultimate, quiet comfort and has the best warranties in the industry.

TruComfort Pro Series Air Conditioner

GMS's TruComfort Pro Series air conditioner provides high efficiency and a low operating cost. This line provides the ultimate in quiet comfort and exceptional warranties. This system has been designed to serve our climate and maximize both efficiency and comfort.

Recent Testimonials
  • "Your price was the best quote we received." Read Full Testimonial

    Jennifer P. of Davidson, NC

    Customer Testimonial

              The deciding factor was the overall experience meeting with your comfort & energy advisor and price. Your price was the best quote we received. Quality and expert service. We have been extremely satisfied with the service that we have received. Competent, knowledgeable, complete experts. Thank you!
    Jennifer P.
    Davidson, NC
  • "Your quality of work!" Read Full Testimonial

    June P. of Midland, NC

    Customer Testimonial

              Thank you so much for your quality of work, quality of workers - simply - Your quality of work!
    June P.
    Midland, NC
  • "We appreciate the overall ethic of the company" Read Full Testimonial

    St. Matthews Reformed Church of Maiden, NC

    Customer Testimonial

              We appreciate the overall ethic of the company and getting the work done promptly. Also, we appreciate you coming back and completing work that was found later.
    St. Matthews Reformed Church
    Maiden, NC

Count on us for dependable service, maintenance & repairs

Homeowners count on us for:

  • Air conditioning tune-ups & maintenance
  • Air conditioning repair
  • Air conditioning system replacement
  • Refrigerant replacement
  • Thermostat repair & replacement
  • Filter replacement
  • Dehumidification

Proper maintenance and regular service keeps your air conditioner running efficiently and can save you money by preventing the need for expensive repairs and prolonging the life of your system. The best time to service your air conditioner is before you actually need it.

ENERGY STAR recommends cleaning or replacing your air conditioner’s air filters once a month. If your system requires a more comprehensive checkup, contact us to schedule a service appointment with one of our expert technicians.

Just like all home appliances, your air conditioning system can eventually stop working. The good news: You can count on us for all repairs to get your cooling system back up-and-running fast.

We install quality, affordable cooling systems

If you have an old cooling system in your home, it may be more cost-effective to replace your outdated unit with a new energy-efficient air conditioning system that will provide superior cooling and save you money on your energy bills.  

We install air conditioning systems from leading manufacturers.

Contact us today to request an inspection of your existing cooling system and we will provide you with a free estimate to replace your air conditioner. We are always up-front about the cost to repair or replace your AC system.

Your home has many systems and we have solutions to improve them

There are many reasons why your home isn't as comfortable as it could be. Here at GSM Services, we're much more than just an HVAC contractor.

We can examine your home and determine what's causing your house to waste energy and money and suggest the best solutions to make your home more comfortable and energy efficient.

Fill out our simple online form to request an estimate for the air conditioning services you need. We service Hickory, Matthews, Kannapolis, Mooresville, Gaffney, Lincolnton, Rock Hill and many surrounding areas.

our service area

We serve the following areas

North CarolinaSouth Carolina Our Locations:

GSM Services
1535 W May Ave
Gastonia, NC 28052