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York, SC HVAC & Home Services

Furnace Repair, Heater Installation, HVAC Duct Cleaning, Insulation, Mold Removal & Crawlspace Experts in York, SC

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

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 York. 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 York

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

We Offer The Following Home & HVAC Service Calls in York, SC

Fast & Affordable Heating Service Specialists in York, SC

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

York'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 York, 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

Crawl Space Service in York, SC

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 York

4801 York Highway

Before picture of a duct system we are going to spray foam for a customer at Lake Wylie in York SC. Spray foaming duct work seals and insulates at the same time.

Customer had a lot of condensation on duct work in crawlspace. We perform on all work after completion a quality assurance visit. Customer very happy with no more condensation and his home is more comfortable. Duct sealing with spray foam.

News & Events From from York
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]

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 York, SC
  • Project Location: York, SC
    Crawlspace in my home needs attention.
  • Project Location: York, SC
    Installation problems, air holes in house
  • Project Location: York, SC
    Would like to get a quote to install radiant barrier
  • Project Location: York, SC
    Cooling costs
  • Project Location: York, SC
    Air handler in attic makes a constant buzzing and system needs duct work improvements Additional information: Date requested: 04/20/2018
  • Project Location: York, SC
    Estimate for attic insulation.
  • Project Location: York, SC
    Our heat went out Saturday evening. It's an older Goodman unit - at least a dozen years old. It has a small freon leak and we've had both the AC and heat portions of our HVAC system repaired twice since we took ownership of this home 18 months ago. Interested in possible replacement.
  • Project Location: York, SC
    Looking at replacing existing HVAC system for 2nd floor.
  • Project Location: York, SC
    Low freon
  • Project Location: York, SC
    Several neighbors have had poor results on energy audits and we were encouraged to check our home.
  • Project Location: York, SC
    Just curious to see if there are easy fixes/adjustments I can make in the house.
  • Project Location: York, SC
    My furnace won't switch on.
  • Project Location: York, SC
    I would like to get an estimate on a replacement whole house unit. Currently we have gas, heat pump unit that is 17 yrs old and its past time for it to be replaced. We would like to have someone that could take some time with us, answer questions, learn about the different units, find the best one for us etc Do you come out on weekends to give estimates? If we have to wait a couple of weeks for someone to come out, that will be fine. We plan on replacing within 6 months. Thank You Diane Robinson
  • Project Location: York, SC
    Our air conditioner unit is not blowing cool air and the outside fan is not working at the moment. I have breathing problems and this is making weak.
  • Project Location: York, SC
    I have two AC units (upper/lower), 9 years old. Lower is not keeping up this summer. It is keeping the house ~80-83 degrees but wont go under 79. This happens about every 2-3 years with these units. Typically need coolant, but I'd like to make sure they're clean and nothing else is wrong
  • Project Location: York, SC
    Ac unit not putting out cool air
  • Project Location: York, SC
    Air is blowing out of the vents but it is not cool. I can't hear the AC unit running on the outside either. The thermostat is set to 74 and it is now 80 degrees inside.
  • Project Location: York, SC
    Would like a estimate for crawlspace insulation and removal of some mold.
  • Project Location: York, SC
    Interested in an estimate on the Super Attic Insulation.
  • Project Location: York, SC
    New heating//ac system
See all work requests
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
  • ductwork repair
  • ductwork installation
  • ductwork cost
  • furnace ductwork
  • HVAC ductwork
  • duct cleaning
Dryer Vent Cleaning
  • dryer vent cleaning services
  • dryer vent replacement
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 York, SC

Job Locations and Reviews

Encapsulation Call, Performed an encapsulation of a crawl space.
Encapsulation Call, Performed an encapsulation of a crawl space.
Install T.
Install T. Checked in
Encapsulation Call, Performed an encapsulation of a crawl space.
York, SC 29745
Humidity/Mold Call, Performed mold treatment to control humidity in crawlspace
Humidity/Mold Call, Performed mold treatment to control humidity in crawlspace
Install T.
Install T. Checked in
Humidity/Mold Call, Performed mold treatment to control humidity in crawlspace
York, SC 29745
Duct Cleaning Before and After/ Duct work being cleaned
Duct Cleaning Before and After/ Duct work being cleaned
Install T.
Install T. Checked in
Duct Cleaning Before and After/ Duct work being cleaned
York, SC 29745