AC replacement in Gastonia NC & nearby areas.
AC Repair Service Gastonia NC | GSM Services
Heating & Cooling • Insulation • Crawlspace Services • Mold Removal • Energy Audits • Generators • Air Duct Cleaning • Furnace • HVAC Repair & Installation
Heating & Cooling • HVAC • Insulation • Crawlspace Repair • Mold Removal • Energy Audits • Generators • Vent & Duct Cleaning
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HVAC & Home Services in Huntersville, NC

AC Repair, Air Conditioning Installation, HVAC Duct Cleaning, Insulation, Mold Removal & Crawlspace Service Experts in Huntersville, NC

GSM Services has set itself apart with superior customer service, reliability, and quality of work for over 97 years in Huntersville, 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 Huntersville. 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!

Get an Online Quote for HVAC Installations & Duct Cleaning Services in Huntersville

Try our free, online price calculators. Get a quote for your home in 30 seconds!

We Offer The Following Home & HVAC Service Calls in Huntersville, NC

Fast & Affordable Heating Service Specialists in Huntersville, NC

If your furnace won't turn on, if there's a leak, if the blower isn't working or if you want regularly scheduled maintenance, then you're in the right place! GSM Services has a dedicated team of furnace service professionals with decades of combined experience. Our trained technicians can provide a prompt and thorough inspection of your unit to determine the problem and suggest the solution. Our furnace service team provides FREE written estimates for all potential furnace repairs so you will never be surprised by the bill. Also, we provide furnace service for all types and models, including natural gas, oil, electric, and propane. Don’t hesitate to contact us today, call or click to schedule your furnace service appointment with GSM Services!

Benefits of regular furnace service:

  • Optimal home comfort
  • Reliable performance
  • Better furnace efficiency
  • Extended life
  • Lower repair costs & increased energy savings

Proven Furnace Installation Experts

If your furnace is old or your bills seem too high, replacing your furnace will be the best option. Basic usage compromises your unit over time and keeping a damaged or old furnace may be costing you more money than installing a new unit. Our certified and highly trained team of furnace installation professionals can provide a thorough inspection of your unit to help you make that decision. Our skilled experts can replace all types of units with high-quality and energy efficient models that are guaranteed to lower your energy bills by as much as 30%. Trust our furnace installation professionals to provide you with reliable services every step of the way. Call or click today to schedule your FREE furnace installation estimate!

We install a variety of types of furnaces:

  • Gas furnaces
  • Oil furnaces
  • Electric furnaces
  • Propane furnaces
  • Heat pump systems

Huntersville's Dependable Home Insulation Professionals

We specialize in a variety of home insulation services that are aimed to lessen your home's carbon footprint and save energy and money each month! We offer it all, from air sealing to ductwork to various types of insulation services such as blown in fiberglass, cellulose, injection foam, and more in Huntersville, NC. We understand that you need to use the correct type of insulation in your home, and it needs to be placed in the correct areas.

Before we perform any insulation work in your home, we first take the time to conduct a custom home energy audit. The audit is used to figure out what the root cause of your energy woes, and gives us an idea of what the best method would be to fix it. At GSM Services, we not only test and investigate your home's energy usage, but we will discuss and prioritize the proper repairs. You'll know which ones will save you the most energy and why. This will also help direct you in making the best decision for you and your family.

Types of Insulation
  • Blown-in Fiberglass
  • Blown-in Cellulose
  • Rigid Foam
  • Injection Foam
  • Radiant Barrier
  • Sealing Air Leaks
  • Air Duct Sealing
Areas of Home
  • Attic Insulation
  • Basement Insulation
  • Crawl Space Insulation
  • Garage Insulation
  • Wall Insulation
  • Floor Insulation
  • Ductwork Insulation

Crawl Space Contractors

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!

Air Conditioning Repair, Installation, & Service Company

Here at GSM Services, our skilled technicians can inspect 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.

Our Air Conditioning Services Include:

  • Air conditioning tune-ups & maintenance
  • Air conditioning repair
  • Air conditioning system replacement
  • Refrigerant replacement
  • Thermostat repair & replacement
  • Ductless air conditioning
  • Central air conditioning

Comprehensive Home Energy Audits

Our team of home energy take the time to carefully examine your home and can provide comprehensive home energy audits that identify the areas that need improvement. Once we finalize the test, we will sit with you and show you exactly what was found and giving you a prioritized list of list of home energy tasks. Our custom home energy audits allow us to help homeowners improve the overall energy efficiency of their home's and can help save you money!

Evaluations Include:
  • Air Leak Inspection
  • Thermal Scanning
  • Detailed Explanation
  • Blower Door (Infiltrometer) Test
  • Insulation Level Check
  • Appliance & Lighting Checks
Photo Galleries From Huntersville

Merve 11 filter blocking out bad air and allowing good air to flow through

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News & Events From from Huntersville
Start 2017 with saving Energy, Money, & the Planet!

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]

Is a wifi thermostat right for your home?

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]

Save Energy on Heating with This List

High energy bills can come as a surprise in the winter. In our service area, air conditioners see a lot more use than heaters. When temperatures drop, homeowners might feel relieved as bills start to lower as well-until the heater becomes more and more of a necessity.... [Read more]

More News & Events
Work Requests From Huntersville, NC
  • Project Location: Huntersville, NC
    Spring tune-up, safety check, cleaning Additional information: Date requested: 04/02/2021
  • Project Location: Huntersville, NC
    Have noticed mold growing on air vents in several rooms. Wanted to have someone inspect and pricing to clean. Also, interested in pricing for new AC units.
  • Project Location: Huntersville, NC
    Looking for dehumidifier for our finished basement
  • Project Location: Huntersville, NC
    Semi annual check (a/c system)
  • Project Location: Huntersville, NC
    We are looking for options for heating/cooling our 3 season room.
  • Project Location: Huntersville, NC
    I would like to get a qoute on a ductless heating system for my house.
  • Project Location: Huntersville, NC
    Attic loorly insulated in closet of upper bedroom. Walls literally emminate heat floor to ceiling, warm to touch. Rental, need to check adequacy of design and issues in attic space that could both he hazardous as well as how to make conditions better to avoid excess unnecessary heating/cooling costs.
  • Project Location: Huntersville, NC
    House Size: 3700 SQ FT Current System: 4 TON, 2 zone, 2 thermostat Current Room: 2 vents 1 return Room Sq FT: 400 SQ FT Room Location: Over Garage Walls facing outside: 3 Scope of work: Check for what BTU/SEER is needed based off of insulation, size, and windows Install new mini-split system with heat/AC for room Disable/Block return and Vents
  • Project Location: Huntersville, NC
    Two story home. Would like to inquire about radiant barrier insulation installation in the attic rafters.
  • Project Location: Huntersville, NC
    Well insulate room over garage
  • Project Location: Huntersville, NC
    Just purchased a new home. Would like my crawl space insulation checked out.
  • Project Location: Huntersville, NC
    My gas furnace doesn't work anymore and needs replaced ASAP. I'm getting quotes to compare price and service
  • Project Location: Huntersville, NC
    Furnace cleaning/tune in crawl space, one in attic
  • Project Location: Huntersville, NC
    Dehumidifier for basement
  • Project Location: Huntersville, NC
    Need to freshen up the blow in attic insulation. Add to what is already existing.
  • Project Location: Huntersville, NC
    My husband attempted to install our nest thermostat and could not get it to work. Therefore our air conditioning isn't working either now. Would like someone to come Sunday to install correctly.
  • Project Location: Huntersville, NC
    Lennox AC system with leaking evaporator coils - looking for price on replacement of coils and timing Cannot join class action suit since we are not the original home owners. System is 2011 and has been charged recently and yet it continuously is freezing
  • Project Location: Huntersville, NC
    We are finishing a storage building to be heated and cooled. We need the building insulated. It is 16x32 with 14 foot ceiling.
  • Project Location: Huntersville, NC
    I would like to schedule an sales appointment for replacing my HVAC system. Thanks!
  • Project Location: Huntersville, NC
    Quote for annual maintenance, twice a year
See all work requests
Serving the following Huntersville, NC zip codes

28070, 28078, 28070, 28078

Products & Services
HVAC Systems
  • air conditioning company
  • air conditioning systems
  • central air conditioning
  • ductless air conditioning
  • gas furnace
  • geothermal heating and cooling
  • HVAC tune ups
  • high-efficiency HVAC systems
  • ductless heating systems
  • HVAC companies
  • furnace installation
  • furnace repair
  • air conditioning installation
  • air conditioning repair
  • heat pump installation
  • heat pump repair
Crawl Space Repairs
  • crawl space encapsulations
  • crawl space vapor barrier
  • crawl space cleanings
  • mold removal
  • dehumidifers
  • crawl space inspections
Home Energy Audits
  • energy efficiency audit
  • air leakage testing
  • blower door testing
  • crawl space inspection
  • attic inspection
  • insulation inspection
Home Generators
  • generator installation
  • generator repair
  • generator service
Home Insulation Services
  • attic insulation
  • insulation installation
  • insulation inspections
  • insulation removal
  • insulation company
  • blown in insulation
  • cellulose insulation
  • duct insulation
  • green insulation
  • insulation contractors
  • pipe insulation
  • reflective insulation
  • rigid foam insulation
  • roof insulation
  • wall insulation
  • window insulation
  • Crawl Space Insulation
  • radiant barrier insulation
Air Sealing
  • sealing air leaks
  • air duct leakage
  • air duct sealing
  • air leakage testing
  • door air seal
  • window air leakage
Air Duct Cleaning
  • duct cleaning services
  • duct disinfectant spray treatment
  • air vent cleaning
  • ductwork repair
  • ductwork installation
  • ductwork cost
  • furnace ductwork
  • HVAC ductwork
  • duct cleaning
Dryer Vent Cleaning
  • dryer vent cleaning services
  • dryer vent replacement
Before and After Pictures from Huntersville

Out of sight, out of mind, right? Wrong... During a PTU (Precision Tune Up) our Service Advisors will make sure your heating and cooling system will be cleaned inside and out. They will also clean any mess that is around your furnace in the attic or crawl space.


Furnace Replacement in Huntersville


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.

Company Awards

2023 Community Choice Award Winner - Best of Gaston

2023 Community Choice Award Winner

GSM Services was voted Best Heating & AC Company & Best Home Service Company in the county.

2022 Best of Gaston

Best of Gaston 2022

GSM Services won Best Heating & Cooling Company, Top Place To Work, & Best Home Service Company

Best Contractor to Work For

2021 Best Contractor to Work For - ACHR News

GSM Services was named 2021 Best Contractors to Work for by National ACHR News

2021 Best of Gaston

Best of Gaston 2021

GSM Services won Best Heating & Cooling Company, Top Place To Work, & Best Home Service Company

Best of Gaston 2020

Best of Gaston 2020

GSM Services was incredibly honored to win Best HVAC Company, Best Roofing, Best Customer Service, Best Home Service Company

top place to work charlotte

Top Place to work Charlotte 2019

GSM was voted as one of the top places to work in 2019 by the Charlotte Observer.

2019 Best of Gaston

Best of Gaston 2019

Best of Gaston 2019 Winner for Best Heating & Air Conditioning Company and also Best Home Repair Company

Recent Jobs and Reviews in Huntersville, NC

Job Locations and Reviews

Ductwork Call, Performed a replacement of the duct system and installation of Phenomenal Aire
Ductwork Call, Performed a replacement of the duct system and installation of Phenomenal Aire
Install T.
Install T. Checked in
Ductwork Call, Performed a replacement of the duct system and installation of Phenomenal Aire
Huntersville, NC 28078
Dryer Vent Call, Performed a cleaning of a dryer vent, before & after
Dryer Vent Call, Performed a cleaning of a dryer vent, before & after
Install T.
Install T. Checked in
Dryer Vent Call, Performed a cleaning of a dryer vent, before & after
Huntersville, NC 28078
AC Call, Performed an installation of a ductless unit
AC Call, Performed an installation of a ductless unit
Install T.
Install T. Checked in
AC Call, Performed an installation of a ductless unit
Huntersville, NC 28078
Huntersville, NC - Furnace Call, Performed an installation of an Amana Furnace
Install T.
Install T. Checked in
Furnace Call, Performed an installation of an Amana Furnace
Huntersville, NC 28078
New Unit  and Ductwork, New HVAC Installation
New Unit  and Ductwork, New HVAC Installation
Install T.
Install T. Checked in
New Unit and Ductwork, New HVAC Installation
Huntersville, NC 28078
HVAC Install, AC Installation
HVAC Install, AC Installation
Naomi H.
Naomi H. Checked in
HVAC Install, AC Installation
Huntersville, NC 28078
Huntersville, NC - Smoke Alarm check. Carbon Monoxide Monitor check.
Service T.
Service T. Checked in
Smoke Alarm check. Carbon Monoxide Monitor check.
Huntersville, NC 28078