Gastonia, NC HVAC & Home Services
AC Repair, Air Conditioning Installation, Duct Cleaning, Insulation, Mold Removal & Crawlspace Experts in Gastonia, NC
For over 98 years, GSM Services has made home comfort easy with trusted service, reliable solutions, and top-quality work in Gaston County. As a licensed and insured home comfort specialist, we offer heating & cooling, insulation, air duct cleaning, crawlspace and mold services to improve comfort, air quality, and energy efficiency. Enjoy easy online booking, instant quotes, and free service calls with any repair!
Why Locals Choose GSM Services:
- ✅ Fast, Affordable, and Always Reliable
- ✅ Licensed and Insured
- ✅ Locally Owned for 98+ Years
- ✅ Voted Best Heating & Cooling Company
- ✅ 100% Guaranteed Satisfaction
- ✅ Outstanding Warranties
- ✅ Unbeatable Financing for Any Budget
- ✅ FREE HVAC Service Calls with Repairs
- ✅ FREE System Quotes
- ✅ FREE Insulation, Crawlspace and Home Energy Audits
Duct Cleaning and New HVAC System Cost in Gastonia, NC
Need HVAC or duct cleaning? Get your free instant quote online in just 30 seconds!
Heating & Cooling Services in Gastonia, NC:
Crawl Space, Mold Removal, Insulation, Generators & Other Home Services in Gastonia, NC:
AC Repair in Gastonia, NC
If your Air Conditioning isn’t working, you can always trust GSM Services for prompt, affordable repairs. Our licensed and insured HVAC technicians, with decades of experience, will thoroughly diagnose the problem and provide a clear, no-obligation estimate upfront—no surprise charges. We also offer free service calls with repairs and are qualified to work on all system types and models.
HVAC Replacement Experts in Gastonia, NC
If your Air Conditioner system is old or in need of frequent repairs, upgrading to a new, energy-efficient model can often be a more cost-effective solution. Our certified team can guide you through the latest HVAC technology options for a comfortable, efficient upgrade. Our premium systems deliver exceptional comfort, ultra-quiet operation, and improved air quality, with high-efficiency models that can lower energy costs by up to 30%. Trust our HVAC experts for reliable advice and outstanding service. Call or book online today for a free quote on a new system!
We Service, Repair and Install all Types of Heating & Cooling Systems
- Central Heating & Air Conditioning Systems
- Ductless Heating & Air Conditioning
- Package Systems
- Heat Pump Systems
- Gas furnaces
- Oil furnaces
- Electric Furnaces
Duct Cleaning Services in Gastonia, NC:
Our duct cleaning services thoroughly clean your entire duct system—not just the air vents—to ensure optimal air quality and system efficiency. We start with a full inspection, checking for tears, leaks, or any issues that could affect performance. Our comprehensive cleaning service includes a special disinfectant spray treatment to leave your ducts fresh and sanitized. Get a free, instant online quote in seconds and breathe cleaner air with our professional duct cleaning services!
Insulation Service Company in Gastonia, NC:
GSM Services provides top-quality, affordable home insulation services in Gastonia, NC. As a full-service insulation provider, we enhance home comfort and efficiency by insulating attics, walls, crawl spaces, basements, floors, garages, and more. With a variety of insulation types to suit any need or budget, we’re equipped to handle it all. Experiencing high energy bills or uneven room temperatures? Schedule a free insulation inspection with us today! Our experts will assess insulation levels, check for moisture and air leaks, and provide a thorough evaluation. You’ll receive a free, no-obligation quote tailored to your needs.
Gastonia, NC Crawl Space Repair & Service Contractors
GSM Services provides professional crawl space services in Gastonia, NC. Our team protects your home from moisture damage and mold, enhancing air quality, boosting energy efficiency, and reducing pests. A well-maintained crawl space also strengthens structural stability and overall comfort. Book a free crawl space inspection and quote online today!
Crawl Space Solutions:
- Crawl Space Mold Removal
- Crawl Space Encapsulations
- Crawl Space Cleanings
- Crawl Space Insulation
- Crawl Space Dehumidifiers
- Vapor Barrier Installations
- Sump Pumps & Water Removal
- Crawl Space Doors
Case Studies From Gastonia
Challenge
One of our longtime residential customers came to us with a roofing problem in which they didn’t know who or where to turn to. There were rotten wood and post on the flat roof of their covered porch.
Solution
Our residential department does not usually do projects like this, so we sent it over to RoofShield (our commercial roof repair division) to see if they could help.... [Read More]
Challenge
During this home energy evaluation we discovered moisture and bacterial growth within the crawl space, which was affecting the home's comfort and causing allergens to enter their house. After completing the audit of the whole crawlspace we found that the best solution would to install a crawl space encapsulation.
Solution
GSM Services - Dr. Energy Saver division installed a full Crawl Space Encapsulation system, including a smart drain to control the water issue.... [Read More]
Challenge
Customer called GSM Services to take a look at where bees are getting into the attic and see if we could spray foam the area to seal off the home from bees and other pests. The homeowners were on a time crunch for a graduation party being held at their home and worried about the bees with their guests.
Solution
We had a comfort advisor go to the home to check out the situation and found out that the bees had a nest behind the siding.... [Read More]
Press Releases From Gastonia
Gastonia-The Charlotte Observer has recognized 55 Companies and Organizations in the area as Top Workplaces in 2017. Locally owned HVAC company, GSM (Gastonia Sheet Metal) took the No. 3 spot in the midsize category of companies with 150-499 employees. An awards ceremony was held in the NASCAR Tower production studio. The event included a keynote speech by David Oakley, founder and creative director of BooneOakley advertising.... [Read more]
Dr. Energy Saver Charlotte received an award at the Team Basement Systems International Convention for ranking among the Top 10 Dr. Energy Saver Dealers!... [Read more]
Photo Galleries From Gastonia
Roechling, 903 Gastonia Tech Parkway
At this home we replaced a 15 year old AC unit that had quit working on the homeowners. We got them back up and running in a day!
GSM Services sponsored one of our local elementry schools in the Are You Smarter Than a 5th Grader which helps to raise money for our local schools. We are honored to participate each year.
Job Stories From Gastonia, NC
Heating and Cooling System Replacement in Gastonia, NC
Complete system installed for customers home comfort.
Mrs. Laws noticed that her system was not running as efficient and consistent as it should. She gave GSM a call as we were her Heating & Cooling maintenance service of choice. Our Appointment Center team member Bailey set up a call for Kelly to visit her home to give her a proper diagnostic and recommendation for improvements.
The best choice that fit the customers needs and budget was the GSM TruComfort Signature Series 96% Efficient heating unit paired with the GSM TruComfort Signature Series air conditioning 14 SEER unit. We also provided the customer with new properly functioning low level CO monitor and a new Honeywell programmable thermostat.
This choice was the best fit for the customers home to improve their comfort, efficiency, and lower energy costs.
28054
The Corbin's were in need of a new system and we wanted to do our best to ensure that the customer will be happy for many years to come.
We recently installed a complete new heating and air conditioning system for this customer in Gastonia. The system consisted of new GSM TruComfort Series furnace in the crawlspce of the home and a new AC and coil outdoor unit for the air conditioning system.
Now the customer will be comfortable in their home with their completely new HVAC system. Leave to Comfort to Us!
Soldering Training
Our Residential Install Division conducted a soldering training this morning to ensure everyone provides the highest quality work possible. There are many who settle for doing less, or enough to pass code, at GSM Services, we provide the highest level of training to ensure that our teams continue to be the leaders in our industries.
GSM Services provides an environment where our co-works can succeed.
- The tools to work safely
- On the job training/ appreticeships
- Trade specific certifications
- Paths to increase learning
- Up to date technology
- Up to date fleet
- Uniforms
Air Seal and Insulate
Help make your house more comfortable and efficient!
On this job we completed our traditional air seal and insulate of the attic and air sealed the crawlspace as well. We installed SilverGlo to the attic-adjacent wall and sealed off the cavity as well.
Super deck install to provide a storage platform in the attic. Duct Encapsulation with spray foam to keep everything sealed and air tight.
Finally, we installed the stair hatch cover which keeps the air consistent, ensuring no air loss.
SuperHero Award
We have quite the honor to present to our very own, Scott Konowinski!
Story:
A customer called GSM Services to take a look at where bees are getting into the attic and see if we could spray foam the area to seal off the home. What’s more, the customer was on a HUGE time crunch for a graduation party being held at their home.
We had a Comfort Advisor go to the home to check out the situation and found out that the bees have been developing a giant hive behind the siding.
The homeowner wanted to remove the bees in a humane way so reached out to a bee-keeper, but that didn’t stop us from helping the customer.
GSM Services RoofShield division came into the situation to help, this is where Scott Konowinski “bee-came” a GSM Super Hero. We had various GSM co-workers involved in this job but Scott stepped up and volunteered to help remove the bees by climbing up on the roof in a bee suit.
After removing the siding, they found over 200 POUNDS of honey combs between the siding and the wall of the home.
Realizing that this was not a heating and cooling, home energy solution problem or even a roofing matter, our employees didn’t stop at their hired responsibilities.
This is a perfect example how GSM’s core values.
Core Value #3: Exceed customer's expectations in everything we do.
We are proud of the work that Scott provided so this SUPERHERO award goes to you!
Work Requests From Gastonia, NC
- Project Location: Gastonia, NC
I would like to get a quote to have the ducts cleaned in our office. - Project Location: Gastonia, NC
We are in the process of buying a home. We need an estimate for insulation in the crawlspace and attic. We also know that the ducts in the crawlspace were not properly installed and probably need to be replaced. - Project Location: Gastonia, NC
I want a quote to replace my ac and heater. They are combined into one unit. - Project Location: Gastonia, NC
Need an estimate to replace crawlspace insulation and possibly vapor barrier. - Project Location: Gastonia, NC
After returning from summer vacation, I'm thinking it's time for an air duct cleaning. Our home is a little over 1200 sq. ft. & we've got 11 vents. I'm a teacher who goes back to work in a week, so if there's any way we can get a quote & possibly schedule the service soon, that'd be great! - Project Location: Gastonia, NC
Need a quote on total hvac install - Project Location: Gastonia, NC
Our air condition unit is not working. The compressor is working and the unit fan is on, but the blower is not pushing air through the house at all and does not seem to be turning on. - Project Location: Gastonia, NC
We would like to get an estimate for blown-in insulation in the attic (scuttle hatch access) and attic fan sealing. Thanks! - Project Location: Gastonia, NC
The unit is not putting out cold air. - Project Location: Gastonia, NC
Replacing ac unit. 20 years old. Additional information: Date requested: 05/08/2021 - Project Location: Gastonia, NC
I just would like to schedule an AC Tune-up prior to the upcoming summer months. Additional information: Date requested: 04/06/2021 - Project Location: Gastonia, NC
Wanting system maintenance for our heat pump/ac - Project Location: Gastonia, NC
Need estimate to fix and or replace AC unit - Project Location: Gastonia, NC
Schedule AC service & repair of upstairs heat. - Project Location: Gastonia, NC
Ac unit needs repaired or replaced - Project Location: Gastonia, NC
Commercial ac units not working. - Project Location: Gastonia, NC
AC is not cooling enough. May need more freon Additional information: Date requested: 04/20/2021 - Project Location: Gastonia, NC
Just looking for an estimate for ongoing maintenance services of AC unit and HVAC. - Project Location: Gastonia, NC
No ac in house - Project Location: Gastonia, NC
Our AC unit and lines are freezing up. I believe it may be low on refrigerant . We can let it thaw, but after running for awhile it freezes back up.
See all work requests
Serving the following Gastonia, NC zip codes
28052, 28053, 28054, 28055, 28056, 28052, 28053, 28054, 28055, 28056
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
Before and After Pictures from Gastonia
Replace A/C and Furnace
Crawl space encapsulation in Gastonia
Furnace replacement in Gastonia
Company Awards
2025 Best Heating & Cooling Company
GSM Voted 2025 Community Choice Award Winner.
2024 Community Choice Award Winner
Voted Best Local HVAC Company in 2024.
2023 Community Choice Award Winner
Voted Best Heating & AC Company & Best Home Service Provider in the county.
Best of Gaston 2022
GSM Services won Best Heating & Cooling Company and Top Place To Work in the County!
Best Contractor to Work For - ACHR News
Named Best Contractor to Work For by ACHR News, a leading national industry publication in 2021.
Top Place to Work in Charlotte
GSM was recognized as one of the Top Places to Work in 2019 by The Charlotte Observer.
Related Videos
GSM's 90th Anniversary Celebration @ The Gastonia Grizzlies Baseball Game
Commercial Roofing - Gaston's Great Episode 793 - Crowders Mountain
Air Conditioning - Gaston's Great Community Foundation Run
Recent Jobs and Reviews in Gastonia, NC
Job Locations and Reviews
Crawl Space call, Performed Humidity Control in Crawlspace
Crawl Space call, Performed Humidity Control in Crawlspace
Air Purification Call, Installed phenomenal aire system
Crawl Space call, performed humidity control in the crawl space
Crawlspace Call, Performed Custom Crawlspace door installation
Crawlspace Call, Performed yearly crawlspace maintenance
Crawlspace Encapsulation, Crawlspace work
New Insulation, Insulation Installation
New Crawlspace door with lock, door for underneath the house
Crawl space, Crawl space repairs
Sump Pump Install, Crawl Space Contractor
Heating Unit Changeout, AC unit replacement
Mini Split Unit, New Mitsubishi Mini Split
New AC Unit , New Heating Unit
Furnace and AC Unit, New Heating and Cooling System
New Heating Unit Install, New AC Unit Install
Mitsubishi Ducted System, New Mini Split
HVAC Unit Install, Brand New Heating and Air
New Attic Insulation, Blown In Cellulose Install
New Outside door, Crawlspace Door that locks
New Crawlspace door, New door for underneath home
Furnace and Duct Work Install, New Ducts, New Heating System
Furnace and AC, New unit install
Insulated Crawlspace Door, Crawlspace Door
Dehumidifier, Crawlspace Dehumidification System
New Furnace Install, Heating unit
Carrier Unit Install, Carrier Gaspack Installation
HVAC Unit, New heating and cooling system
Furnace and AC, Amana HVAC Unit
New Crawl Space Door,Crawl Door Installation
New Duct work, Ductwork Installation
Outdoor Unit Install, Indoor Unit Install
Rheem Package unit Installation, New Package unit
Amana HVAC unit, New AC and Heating unit
AC & Furnace Install, HVAC Installation
HVAC Replacement, Furnace Install, AC Install
Rheem Installation. HVAC Upgrade
HVAC maintenance, Furnace Check up
Gas Pack Install - HVAC Packaged Unit
Crawl Space Encapsulation. Crawl Space Repair. Home Energy.
New AC unit installation
Dehumidifier. Home Energy.
Air Sealing. Insulation. Home Energy.
Clean AC unit. AC tune up.
Crawl Space Door installation. Crawl Space.