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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

Company Awards

We Are Rock Hill's Proven Furnace Installation & Repair Contractor

Happy Customers Surrounding Rock Hill, SC
Work Requests

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Rock Hill'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 Rock Hill 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 Rock Hill, SC. 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 Rock Hill's trusted air conditioning and heating systems repair contractor, you can rest assured that we will get the job done right the first time! We have been in business since 1927 and repairing homeowner's HVAC 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 Rock Hill
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]
Make the most out of home energy expenses.   

More of your utility bills go toward heating and cooling...
Make the most out of home energy expenses. More of your utility bills go toward heating and cooling than any other use of home energy, so making sure your HVAC services are being put to good use is the first and best way to make your home more efficient. Learn how to cut down on costs, waste less energy, and be more comfortable all that the same time with one easy step.... [Read more]
Make the most out of home energy expenses.   

More of your utility bills go toward heating and cooling...
Make the most out of home energy expenses. More of your utility bills go toward heating and cooling than any other use of home energy, so making sure your HVAC services are being put to good use is the first and best way to make your home more efficient. Learn how to cut down on costs, waste less energy, and be more comfortable all that the same time with one easy step.... [Read more]
Work Requests From Rock Hill, SC
Patton St in Rock Hill
Would like to get some better insulation in the attic. (Older home from the 1950s. @ 1000 sq ft)
Springsteen Road in Rock Hill
I'm having a very hard time finding an insulation company to give me a quote for my new house. I have house plans I can send you. Please let me know where to send the plans to. If you do residential HVAC, i'd like a quote on that as well. Thanks.
McDow Dr in Rock Hill
Insulation, duct cleaning, HVAC assessment
McDow in Rock Hill
I wanted an estimate on having foam insulation blown into pre-existing walls
Millhouse Drive in Rock Hill
The fireplace is a main concern as it gets extremely cold in the winter time. The crawl space under the fireplace may not be properly insulated. The space behind the microwave oven in the kitchen is also a concern for improper insulation.
RidgeCrest in Rock Hill
Attic insulation
Pavillion Court in Rock Hill
My ac unit is broken. I had US Heating and Air look at it on Monday they said it needed to be replaced. I live in a 2-story end unit townhouse that is about 1200 sq feet. I am looking for a price quote for a new 2ton unit and how quickly could it be installed. My AC has been out since 05/15.
John Street in Rock Hill
I just want to find out about a tune up before I turn my air on.
Edinburgh Drive in Rock Hill
Need a quote on a vapor barrier to be installed before a house closing at the end of the month
Irwin Street in Rock Hill
My house will not remain cool when the AC is running nor does it remain warm when the heat is on.
Hawthorne Ln Ext in Rock Hill
We have lived in our new home (built in 1957) for about one year and have noticed very high utility bills. We would like to investigate and prioritize ways in which we could lower utility costs and increase energy efficiency.
Roxburgh Ave in Rock Hill
The builder appears to have not insulated the sill plates on our home. Because of this and poor insulation in walls (especially around windows) our heat bill is twice the average home cost for our area per Duke Electric.
Sunset Ridge Drive in Rock Hill
I would like to check how energy efficient my house is. I have one a/c unit outside and two thermostats inside the house. My downstairs is always cold and the upstairs is always hot. I would like energy assessment of my house.
in Rock Hill
I live in a condo that has no insulation in the exterior walls, and could use some more in the attic also probably.
Milton Avenue in Rock Hill
We need a quote for installing insulation in the crawl space ceiling and removing and replacing the insulation in the attic.
Annalinde LN in Rock Hill
Just want heater checked out
Ogden Road in Rock Hill
Quote needed for: Phase 1 - Repair work for an old metal building with the demo completed, with exposed studs, with both the walls and ceiling area needing the closed cell foam insulation. Phase 2 interior block wall that will be framed, closed foam insulation, and sheet rocked.
Overview in Rock Hill
Do you do insulation removal/install? Found rigid foam contractors online and GSM came up. Email me at [email protected] I was the Manufacturing Plant Manager at Conitex in Gastonia and used you guys a few times for duct work.
Steele St in Rock Hill
Condenser went out on air conditioner. Need peice replaced. How much would it be.
Frontier Way in Rock Hill
My HVAC is terribly inefficient. power bills range from $125/month to $500/month. The house is 2100 SQFT 2 story with an attic and crawl space and I know that there is not enough insulation in either place.
Serving the following Rock Hill, SC zip codes
29730, 29731, 29732, 29733, 29734