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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

Electrical
generators


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

Dryer Vent Cleaning

Before and After Pictures from Dallas
Heating - Before and After - Tune Up

Heating - Before and After - Tune Up

Before After
Heating - Before and After - Tune Up Heating - Before and After - Tune Up

Our residential service technicians do routine system check ups and service for our customers to help their heating and cooling systems run smoothly when you need them the most.

For customers, peace and mind are the two most things that they want when it comes to their home comfort. Customers don't typically see the work that is performed on their systems - Most furnaces are either in the attic or crawlspace of a home (out of site out of mind). 

Our technicians leave the systems cleaner than they find them.  Sometimes dirt, dust and other things in the air can dirty a system. We make sure to leave your heating and cooling system the cleanest possible. 

 

See photos for a before and after of a furnace in a crawlspace on a recent tune up.

Furnace Cleaning/Tune Up

Furnace Cleaning/Tune Up

Before After
Furnace Cleaning/Tune Up Furnace Cleaning/Tune Up

Furnace tuneups are not only good for safety purposes but it also helps the efficiency of your heating system.

Company Awards
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]
Top Place to work Charlotte 2018
GSM Services was voted for the second year in a row as one of the best places to work in... [Read more]
More Awards

Dependable Heating and Cooling Experts Serving Dallas, NC

Thanks for giving me some extra special care while my system was being fixed....
Happy Customers Surrounding Dallas, NC
Testimonials
Reviews
Work Requests

Click the icons to see what our customers had to say.

Reviews From Dallas
Testimonials From Dallas
We wouldn't ever consider anyone else to do our Heating and Cooling needs.
Testimonial by Jim & Linda L. from Dallas, NC
Scott was great, every tech that you have sent out has been great!
Testimonial by B M. from Dallas, NC

Fast & Affordable Furnace Service Specialists

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

Dallas'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 Dallas, 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 Dallas
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]
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 Dallas, NC
Vicinity of Angelina Drive in Dallas
Our central air has went out & we are in need of a new one so we would like to know about how much a new one would be plus installation and if you guys offer financing.
Vicinity of Pinkney Road in Dallas
Moisture and water intrusion in my crawl space
Vicinity of Red Leaf Court in Dallas
I was interested in obtaining an estimate for maintenance for my a/c unit. As of right now, I do not have it serviced regularly but would like to if it is not too expensive.
Vicinity of Rhyne Road in Dallas
2 items. At the moment, my air is not functioning very well - may be low on freon and needing a recharge, at least it feels that way. Also, I'd like to get an estimate on a new heat pump split system. My current system is 20+ years old so it's way past time. Probably won't need new duct work, but it's possible they would need to be sealed up some. Thanks.
Vicinity of Devon Dr. in Dallas
We just bought a home and would like to have the hvac serviced to make sure it runs well through the summer.
Vicinity of Sam Rhyne Court in Dallas
Our utilities bill is too high and want to reduce it.
Vicinity of Saint John St in Dallas
No heat. May be self-inflicted. Tried to replace the thermostat and now neither heat or a/c will come on. Rudd heat pump / ac unit less than 1 year old. Can we get service today? Tenants will need heat tonight. Thanks!
Vicinity of Eastway Dr in Dallas
Like to know that cost of duct cleaning
Vicinity of Kudzu Lane in Dallas
Follow up Inquiry for crawlspace rennovation. Checking in again about pricing options. We've spoken previously about these matters.
Vicinity of Village Center Dr in Dallas
HVAC maintenance needed. It appears that the AC is not cooling properly.
Vicinity of Eastway Dr in Dallas
Need twice a year ac/heat tune ups
Vicinity of Gastonia-Dallas Hwy in Dallas
Vicinity of Woodyville Rd in Dallas
I have a Fujitsu ductless mini split system. It has 3 heads. One of them we think is leaking so we turned it off. The other we think is frozen up. Blows warm air. One of them works. Is this something yall could diagnose/fix? Also email works best. Thanks
Vicinity of S Rhyne Street in Dallas
Need the ductwork cleaned in a rental property I have purchased.
Vicinity of Lauren Alexis Ct in Dallas
I have spoke with Steven Long regarding a crawl space issue in my home..I have had work done by your company, and would like to speak to Steven along personally about some issues that I am not happy with..Please have him call me ASAP with the cell number that I listed.. Best Regards, Mike Burriss
Vicinity of W Robinson St in Dallas
Our heating system is outdated and we use window units to cool the house. Looking to get unit installed.
Vicinity of E. Webb St in Dallas
Tune up
Vicinity of Meadow Creek in Dallas
AC is not cooling. Ice formed around pipe.
Vicinity of Heather Ridge Rd in Dallas
2 - GSC units needing R22 charge, one capacity is 117 and another capacity is 93.
Vicinity of Willis Rd in Dallas
Heat/AC repair
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