HVAC Services in Dallas, NC
Expert Furnace Repair, HVAC Installation, Insulation, Crawlspace and Duct Cleaning Services in Dallas, NC
For over 98 years, GSM Services has made home comfort easy with trusted service, reliable solutions, and top-quality work in Dallas, NC. As a licensed and insured home comfort specialist, we offer heating & cooling, insulation, air duct cleaning, crawlspace 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 & 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
New HVAC System Cost & Duct Cleaning Prices in Dallas, NC
Need HVAC or duct cleaning? Get your free instant quote online in just 30 seconds!
Heating & Cooling Services in Dallas, NC:
Crawl Space, Insulation, Generators & Other Home Services in Dallas, NC:
Furnace Repair in Dallas, NC
If your Heater isn’t working, trust GSM Services for fast, affordable Furnace repair in Dallas, NC. Our licensed HVAC technicians service all makes and models, provide expert solutions, and offer clear, upfront pricing with no hidden fees. We also include a free service call with any repair.
HVAC Replacement & Install Experts
Looking for a New Heating System? Our licensed HVAC installers in Dallas, NC are certified experts in energy-efficient heating & cooling systems that can lower your energy bills by up to 30%. We’ll walk you through the latest AC options and help you choose the right system for improved comfort, quieter operation, and cleaner indoor air. Call or book online today for a free, no-obligation consultation and quote!
Certified on All Types of Heating & Cooling Systems
- Central Heating & Air Conditioning Systems
- Ductless Mini Splits
- Package Systems
- Heat Pump Systems
- Gas furnaces
- Oil furnaces
- Electric Furnaces
Dallas, NC Crawl Space Repair & Service Contractors
GSM Services provides professional crawl space services in Dallas, 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 & Growth Solutions
- Crawl Space Encapsulations
- Crawl Space Cleanings
- Crawl Space Insulation
- Crawl Space Dehumidifiers
- Vapor Barrier Installations
- Sump Pumps & Water Removal
- Crawl Space Doors
Duct Cleaning Services in Dallas, 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 Dallas, NC:
GSM Services is your trusted local insulation company in Dallas, NC. We provide high-quality, affordable home insulation for attics, walls, crawl spaces, basements, floors, garages and more. Our certified experts use various insulation types to fit your home and budget, helping reduce energy bills and improve comfort and air quality year-round. Experiencing uneven temperatures or high utility costs? Schedule your free insulation inspection today! We’ll assess current insulation, check for air leaks or moisture issues, and provide a custom, no-obligation quote for your home. Call or book online now!
Photo Galleries From Dallas
Finished project
Finished project
Crawl Space Encapsulation Completed
News & Events From from Dallas
Is a wifi thermostat right for your home?
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]
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 Dallas, NC
- Project Location: Dallas, NC
My AC is not working like it should. Came home yesterday to my house 78 degrees, it was set for 73. It was blowing out but not cool air. Changed my filter. When I woke up this AM it had came down to 75 degrees. Thanks - Project Location: Dallas, NC
You do my every 6 month service. My indoor part of my ac is leaking water so it's off and I have no ac. I want to replace my whole heating and air system so that it's all outside. It's a 4 ton unit and you have all the info on it. I need a cost please - Project Location: Dallas, NC
Tune up/system service for summer - Project Location: Dallas, NC
Estimate on Geothermal Heat Pump Installation - Project Location: Dallas, NC
My outside unit is old and has been going out. I've had a lot of work done on it over the years, but I feel it is time to replace the unit. I can't afford to pay upfront and was wondering if you have financing available? - Project Location: Dallas, NC
Hello, recently I had another business come and replace a fan motor and blade on an HVAC unit. It is now been making a very loud noice when turned on. The other business said they tried everything to quiet it down but they couldn't stop it or make it quieter. How much does it cost to come and look at the unit?We do need to replace our units they are 20 years old but I am unsure we can afford it right now. Thank you. - Project Location: Dallas, NC
Coils need to be cleaned, AC much cooler downstairs than up. Additional information: Date requested: 05/25/2020 - Project Location: Dallas, NC
Looking to get a mini split system installed - Project Location: Dallas, NC
I just wanted to get a quote for duct cleaning for single story house. 10 vents, 1 return , was told that there are 3 main ducts under house instead of one main with ducts branching off. Please email me with a quote. Thank you - Project Location: Dallas, NC
Schedule a pre-paid cooling precision tune-up - Project Location: Dallas, NC
Generac full home generator assessment, quote, installation & service. - Project Location: Dallas, NC
Moisture and water intrusion in my crawl space - Project Location: Dallas, NC
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. - Project Location: Dallas, NC
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. - Project Location: Dallas, NC
We just bought a home and would like to have the hvac serviced to make sure it runs well through the summer. - Project Location: Dallas, NC
Our utilities bill is too high and want to reduce it. - Project Location: Dallas, NC
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! - Project Location: Dallas, NC
Like to know that cost of duct cleaning - Project Location: Dallas, NC
Follow up Inquiry for crawlspace rennovation. Checking in again about pricing options. We've spoken previously about these matters.
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
- 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 Crouse
Duct Cleaning Filter in Crouse, NC
Heating Tune Up in Crouse, NC
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.
Recent Jobs and Reviews in Dallas, NC
Job Locations and Reviews
Installation of a new HVAC system in Dallas North Carolina.
We recently completed a gas package installation for a client. Our team of skilled technicians worked diligently to ensure that the installation was done correctly and efficiently. The client was very pleased with the results, and we are proud to have been able to help them improve their home's comfort and energy efficiency.
Insulation Call, Performed an installation of new insulation to the attic
Generator Call, Performed a new installation of a Generac generator
AC Call, Performed a changeout of a Gaspack
Guttering Call, Performed a Gutter Cleaning
Crawlspace Call, Performed an encapsulation of the crawlspace
Guttering Call, Performed an installation of Gutter Guards
Heat Pump Call, Installed a new Goodman Heat Pump in crawl space
Unit Changeout Call, Performed an installation of a new furnace and AC system
Dryer Vent Call, Performed an installation of a new Dryer Vent.
A/C Call, Performed a changeout of a Goodman Furnace & A/C Unit.
Insulation Call, Performed an installation of a Santa Fe Dehumidifier and re-insulation of the floor
AC & Furnace Call, Before and After of a Furnace Changeout
Duct Cleaning call, Performed duct cleaning on 13 vents and 1 return
Insulated Crawl Space Door, New Crawlspace door under home
Furnace Repair.