It's raining outside, protect your crawlspace - contact us today!

Click here to schedule online

Air Conditioning

Air Conditioning Services in Charlotte, Gastonia & Surrounding Greater Charlotte

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

May Air Conditioning Offers

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 Gastonia, Charlotte, Rock Hill 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 Rock Hill

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.

Recent Testimonials
  • "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
  • "GSM has installed new systems in our home and rental property." Read Full Testimonial

    Gail S. of Charlotte, NC

    Customer Testimonial

              GSM has installed new systems in our home and rental property. Their performance has always been very professional and accommodating. Jason is very knowledgeable and polite.
    Gail S.
    Charlotte, NC
  • "Wayne knows his stuff and was able to get the AC installed quickly!" Read Full Testimonial

    Ms. Poole of Charlotte, NC

    Customer Testimonial

              The men who installed the air conditioner and furnace were very neat and professional. Your office was helpful throughout the process and answered my many questions and requests. Wayne knows his stuff and was able to get the AC installed quickly!
    Ms. Poole
    Charlotte, NC

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.

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, Concord and many surrounding areas.

Before and After
  • 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.

  • New Heating and Air / Duct work renovation
    New Heating and Air / Duct work renovation
  • Heating and Air Conditioner replacement in Matthews, NC
    Heating and Air Conditioner replacement in Matthews, NC

    Installed a GSM TruComfort Pro Series Heating and Air conditioning system in Matthews, NC.

our service area

We serve the following areas

North CarolinaSouth Carolina Our Locations:

GSM Services
1535 W May Ave
Gastonia, NC 28052