Charlotte, NC HVAC
AC Repair, HVAC Replacement & Installation Services in Charlotte, NC
GSM Services provides expert AC repair, HVAC installation & system replacement services in Charlotte, NC. For over 99 years, our certified technicians have delivered fast, friendly service, quality workmanship, strong warranties, and honest pricing to homeowners across the Charlotte area. We also offer insulation, air duct cleaning, and 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 & Family-Owned for 99 Years
- ✅ Voted Best Heating & Cooling Company
- ✅ 100% Satisfaction Guaranteed
- ✅ Unbeatable Warranties
- ✅ Financing for Any Budget
- ✅ FREE Service Calls with Repairs
- ✅ FREE HVAC System Quotes
- ✅ FREE Insulation, Crawlspace & Home Energy Audits
HVAC System Installation Cost & Duct Cleaning Prices in Charlotte, NC
Get your free instant quote online in just 30 seconds!
Heating & Cooling Services in Charlotte, NC:
Crawl Space, Insulation, Generators & Other Home Services in Charlotte, NC:
AC Repair in Charlotte, NC
If your Air Conditioner isn’t working, trust GSM Services for fast, affordable AC repair in Charlotte, 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.
Signs Your HVAC System Needs Repair or Replacement
- AC not cooling properly
- HVAC system freezing up
- AC Blowing warm air
- Loud noises from HVAC unit
- High energy bills
- Uneven temperatures in your home
Charlotte, NC HVAC Replacement & Installation Experts
Looking for a New Air Conditioning System? Our licensed HVAC installers in Charlotte, 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
Duct Cleaning Services in Charlotte, 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!
Case Studies From Charlotte
Challenge
Our Commercial Roofing Division of GSM Services working on a multi-leve roof with rooftop HVAC units and drains.
Solution
Our team applied a durable synthetic rubber on top of insulation to ensure the customers interior comfort for their business.... [Read More]
Press Releases From Charlotte
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 Charlotte
Duct installation
Roof Top Heating/Cooling System
Duct installation
Job Stories From Charlotte, NC
GSM TruComfort Signature Series Heating and Cooling System Replacement
We installed a higher efficiency GSM TruComfort Signature Series system for this home. We also included a Nest Protect (Smoke and Carbon Monoxide Detector) which provides heads up alerts by voice and message to your smartphone.
Attic Installation of New Heating System
Installations of new heating and air conditioning systems aren't always the easiest. In fact, it is also hard to take good pictures as well. Attic working conditions don't leave the best of senerios for working, our guys installed this one on a 86 degree day, which in an attic gets over 120 degrees (and thats a cool attic). Attics involve tight working spaces, hot temperates, and also hard access.
These photos are from a recent job showing the working situations that we do on a daily basis. Imagine weaving duct work through this attic all while not falling through the ceiling.
Work Requests From Charlotte, NC
- Project Location: Charlotte, NC
High energy bill, high humidity, and dirty filters (changed often) - Project Location: Charlotte, NC
Need estimate for AC repair and/or complete HVAC replacement. Original unit for our house is at the end of its service life, and searching for any help to escape this crazy heat of summer! - Project Location: Charlotte, NC
Buying a new home which has a crawl space and attic. Trying to get an audit. - Project Location: Charlotte, NC
Do you all install dehumidifiers in crawl spaces? Our exterminator did a moisture check the other day and determined we were close to conditions that would produce mold. We have a fairly new and in good shape plastic sealing but no dehumidifier. Thanks - Project Location: Charlotte, NC
Excessive moisture in crawl space - Project Location: Charlotte, NC
My house has recently undergone a large renovation and I would like to get the air ducts cleaned before moving in. - Project Location: Charlotte, NC
Interested in purchasing a generator. Do you supply and install? - Project Location: Charlotte, NC
Attic insulation - Project Location: Charlotte, NC
I recently purchased a home built in 1968. A portion of the fiberglass insulation in my crawlspace was not installed properly. I need it replaced plus I'd like recommendation on how to ventilate my crawlspace. - Project Location: Charlotte, NC
Need new Heating and air conditioning system - Project Location: Charlotte, NC
Spring service/check Additional information: Date requested: 05/05/2021 - Project Location: Charlotte, NC
We just moved into a house this spring and would like our AC units to be inspected and serviced if needed. Looking for a quote for these services. - Project Location: Charlotte, NC
HVAC system needs replacement. It is at least 16 years old and AC is not cooling sufficently and heater fan sounds like a 1970s jet engine taking off. - Project Location: Charlotte, NC
Need quote for a replacement A/C system - one unit - Project Location: Charlotte, NC
Replace central ac unit - Project Location: Charlotte, NC
Need to replace central air. - Project Location: Charlotte, NC
I would an estimate or quote on a HVAC system installation. - Project Location: Charlotte, NC
Request for quote for attic insulation add-on - Project Location: Charlotte, NC
Need to schedule cooling service pre-paid her contract service - Project Location: Charlotte, NC
Schedule my pre-paid cooling tune up, cleaning, & safety check as part of your GSM Services Loyalty Club Membership.
See all work requests
Serving the following Charlotte, NC zip codes
28201, 28202, 28203, 28204, 28205, 28206, 28207, 28208, 28209, 28210, 28211, 28212, 28213, 28214, 28215, 28216, 28217, 28218, 28219, 28220, 28221, 28222, 28223, 28224, 28226, 28227, 28228, 28229, 28230, 28231, 28232, 28233, 28234, 28235, 28236, 28237, 28241, 28242, 28243, 28244, 28246, 28247, 28250, 28253, 28254, 28255, 28256, 28258, 28260, 28262, 28263, 28265, 28266, 28269, 28270, 28271, 28272, 28273, 28274, 28275, 28277, 28278, 28280, 28281, 28282, 28284, 28285, 28287, 28288, 28289, 28290, 28296, 28297, 28299, 28201, 28202, 28203, 28204, 28205, 28206, 28207, 28208, 28209, 28210, 28211, 28212, 28213, 28214, 28215, 28216, 28217, 28218, 28219, 28220, 28221, 28222, 28223, 28224, 28226, 28227, 28228, 28229, 28230, 28231, 28232, 28233, 28234, 28235, 28236, 28237, 28241, 28242, 28243, 28244, 28246, 28247, 28250, 28253, 28254, 28255, 28256, 28258, 28260, 28262, 28263, 28265, 28266, 28269, 28270, 28271, 28272, 28273, 28274, 28275, 28277, 28278, 28280, 28281, 28282, 28284, 28285, 28287, 28288, 28289, 28290, 28296, 28
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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 Charlotte
Air Conditioning Service in Charlotte, NC
Furnace in crawl space
Furnace Tune Up in Charlotte, 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.