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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

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

Before and After Pictures from Kings Mountain
Replace and relocate outdoor units

Replace and relocate outdoor units

Before After
Replace and relocate outdoor units Replace and relocate outdoor units

The outdoor units were replaced, and relocated. The upstairs duct system was also replaced.

Crawl Space Encapsulation - Kings Mountain, NC

Crawl Space Encapsulation - Kings Mountain, NC

Before After
Crawl Space Encapsulation - Kings Mountain, NC Crawl Space Encapsulation - Kings Mountain, NC

Crawl space encapsulation with SilverGlo - Air seal and insulation of the crawl space.



Everlast Crawl Space Door

Everlast Crawl Space Door

Before After
Everlast Crawl Space Door Everlast Crawl Space Door

Provided and installed Everlast Crawl Space Hatch Cover.

Company Awards

We Are Kings Mountain's Proven Heating, Air Conditioning & HVAC Repair & Insulation Contractor

Your thoughtfulness takes the most simple sentiments and turns them into gestures of kindness and gratitude....
Happy Customers Surrounding Kings Mountain, NC
Work Requests

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Reviews From Kings Mountain
Testimonials From Kings Mountain
Everyone worked in a very professional and friendly manner.
Testimonial by Jimmy W. from Kings Mountain, NC
Have told many people about GSM and our great service.
Testimonial by William W. from Kings Mountain, NC

Kings Mountain's Furnace Repair Experts

There are many reasons why your home’s heating system or furnace may not be working like it should (or working at all). Regular maintenance is important to prevent problems with your heating system and to keep your home comfortable and your energy costs low. Here at GSM Services, we can evaluate your current heating system and provide a fast quote to get your furnace running like new. We provide repair and maintenance services for oil, electric, gas, and propane furnaces.

Furnace Installation & Replacement

Is it time for a new furnace? Furnace replacement will be necessary if a major problem develops – such as a cracked heat exchanger. GSM Services is your local expert for heating system replacement. Before we replace your existing furnace, we will thoroughly inspect your heating system. If you require a new furnace, we can install a heating system that's right for you.

We install a variety of types of furnaces:

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

Schedule a FREE Estimate!

Insulating Your Kings Mountain Home

We specialize in a variety of home energy improvement services that were 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 Kings Mountain, 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

Heating & Air Conditioning Repair, Installation & Maintenance Service Contractor 

As Kings Mountain's trusted air conditioning and heating systems repair contractor, you can rest assured that we will get the job done right the first time! Since 1927, we have repairing homeowner's heating and air conditioning systems 

If you feel that your home's HVAC system is not working as it should, we can fix that. We offer maintenance, repair, and installation services of all kinds of heaters. Did you know that having an efficient heating unit will not only help keep your home warmer in the winter months, but can greatly improve the air quality of your home?  

Along with heating repair, we also offer a wide variety of air conditioning system services. Having heat is a necessity for home owners in the Greater Charlotte area, especially in the winter.  Our team of HVAC repair & service professionals can replace any heating system from furnaces to electric heaters, so no matter what sort of heating your home uses, we can make your you're never left out in the cold.

  • Gas Furnace
  • Oil Burners
  • Geothermal
  • Electric Furnaces
  • Heat Pumps
  • Wood Heating
  • Forced Air Heaters
  • Hot Water Heater
  • Tankless Water Heaters 
  • Central Air Conditioning
  • Ductless Air Conditioning
  • Evaporative Air Conditioning
  • AC Repair & Installation
  • Dehumidification
  • Heat Pumps
  • Ductwork Cleaning
  • Ductwork Sealing 
  • Ductwork Repair
  • Air Purification

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

Schedule a FREE Estimate!

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!

News & Events From from Kings Mountain
This is the question that most homeowners don't want to think about.  No one wants to think about their...
This is the question that most homeowners don't want to think about. No one wants to think about their air conditioning going out during the middle of summer or their heat going out on below freezing days. Read below on ways we can help you out in the long run.... [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]
Home improvements are a great way to start off your new years resolution of
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]
Work Requests From Kings Mountain, NC
Battleground Rd. in Kings Mountain
I need to obtain a quotation to have the air ducts cleaned in our facility.
Hawknest Court in Kings Mountain
Set up existing unit, run 2 ducts and 1 return line. Come back later and check it out when power is turned on.
Lois Lane in Kings Mountain
AC freezing up
Oak Grove Rd in Kings Mountain
We purchase a 3000 Sq ft commercial building recently and looking to install Mitsubishi mini-split unit into the office and our shop area.
Crown Court in Kings Mountain
When we turn on the AC unit the house is not getting cold and it does not seem like the fan outside has been moving
Crown Court in Kings Mountain
I was curious how much just an annual checkup/service and probably freon recharge would be? Our AC seems to be not as cold as usual.
Alex D Owens Drive in Kings Mountain
I would like a price on a Generac generator, installed for whole house backup electric. 1800 square foot coverage. Thanks! Janet
North Watterson in Kings Mountain
Foam wall insulation
Maner in Kings Mountain
2nd story on house gets hot fast
Thompson Dr. in Kings Mountain
Furnace started making an loud noise and then soon afterwards it stop working.
Chestnut Ridge Church Road in Kings Mountain
Would like to get a estimate in having blown insulation in my attic.
Oakwood Drive in Kings Mountain
We have been given an estimate to replace our gas pack by another company & are looking for other estimates
Sparrow Springs Road in Kings Mountain
I just need my ducts cleaned out for the winter.
Phifer Rd in Kings Mountain
NO AIR Additional information: Date requested: 09/06/2017
S Battleground Ave in Kings Mountain
Very dusty inside. crawl space has no insulation. would like estimate for crawlspace insulation as well as the floor of the crawl space
Chestnut Woods Drive in Kings Mountain
Compressor went out on old unit. Looking for new one but on a tight budget
Amy Drive in Kings Mountain
Central heat/air needs a tune up
AMY Dr in Kings Mountain
Just had to replace hot water heater it had been leaking for long time and did not no so we replaced it and sub floor's but still need crawl space done. We have a lot of damage and we are trying to see what will be best way to complete work under home.
Sellars Road in Kings Mountain
Looking to replace 27 year old hvac system and replace/insulate? ductwork.
in Kings Mountain
Saving energy.