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Reviews From Huntersville
Products & Services

HVAC Systems
air conditioning contractors
air conditioning systems
central air conditioning
ductless air conditioning
gas furnace
geothermal heating and cooling
heating and cooling systems
high-efficiency furnace
home heating systems
HVAC companies
hydronic heating systems
air conditioning installation
air conditioning repair

Crawl Space Insulation

Home Energy Saving & Audit
energy efficiency audit
energy saving devices
energy saving products
energy saving tips
home energy audit
home energy conservation


Home Insulation
attic insulation
blown in insulation
cellulose insulation
duct insulation
green insulation
insulation contractors
pipe insulation
reflective insulation
rigid foam insulation
roof insulation
wall insulation
window insulation

Water Heaters
gas water heaters
high-efficiency water heater
hot water heaters
indirect water heater
instant hot water heater
on demand hot water heaters
solar water heater
tankless water heaters
water heater installation
water heater replacement

Air Sealing
sealing air leaks
air duct leakage
air duct sealing
air leakage testing
door air seal
window air leakage

Radiant Barrier
radiant barrier insulation
radiant barrier cost
roof radiant barrier

ductwork repair
ductwork installation
ductwork cost
furnace ductwork
HVAC ductwork
Duct Cleaning

Dryer Vent Cleaning

Before and After Pictures from Huntersville
Do you need your heating system serviced?

Do you need your heating system serviced?

Before After
Do you need your heating system serviced? Do you need your heating system serviced?

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

Furnace replacement in Huntersville

Before After
Furnace replacement in Huntersville Furnace replacement in Huntersville

Installed a GSM TruComfort Signature heating system

Air Conditioning Precision Tune Up in Huntersville NC

Air Conditioning Precision Tune Up in Huntersville NC

Before 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.

Company Awards
Best of Gaston 2020
GSM Services was incredibly honored to win multiple titles this year for the 2020 Best of Gaston Awards! Thank you... [Read more]
Top Place to work Charlotte 2019
GSM was voted as one of the top places to work in 2019 by the Charlotte Observer.... [Read more]
Best of Gaston 2019
We won Best of Gaston 2019 for Best Heating & Air Conditioning Company and also Best Home Repair Company by... [Read more]
More Awards

Huntersville, NC's Devoted Heating and Air Conditioning Repair & Installation

"GSM is always professional and courteous."...
Happy Customers Surrounding Huntersville, NC
Work Requests

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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, you are in the right place! GSM Services has a dedicated and devoted 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 Insulation Experts

Is there moisture in your crawl space? Does your home have proper crawl space insulation? Even if you think your crawl space has enough insulation do not hesitate to contact us. We have a team of crawl space moisture and insulation experts that will give you peace of mind when it comes to your crawl space. It is always better to have too much insulation than to have a space without any insulation at all. Crawl space insulation is very important to the efficiency of your entire home due to the fact that moisture in your crawl space can also lead to rot, structural issues, and health concerns. Don't let moisture in your crawl space plague your home. Contact us today to learn more about our crawl space moisture solutions!

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
News & Events From from Huntersville
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]
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]
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]
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
Serving the following Huntersville, NC zip codes
28070, 28078, 28070, 28078