GSM has set itself apart with superior customer service, reliability, and quality of work for over 98 years in Stanley NC.
We're a licensed & insured heating & cooling, crawl space, insulation & HVAC Duct Cleaning contractor in Stanley NC that offers a 100% satisfaction guarantee.
Need a new Air Conditioning system or duct cleaning services? Get your free instant quote online in seconds!
If your Air Conditioner isn’t working, GSM Services offers fast, affordable AC repair services. Our licensed HVAC technicians service all makes and models, provide expert options, and offer clear, upfront pricing with no hidden fees. We also include a free service call with any repair.
Looking for a New Air Conditioning System? Our licensed HVAC installers in Stanley 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!
Looking for a trusted insulation company in Stanley, NC? GSM Services provides professional home insulation solutions that improve energy efficiency, reduce utility bills, and keep your home comfortable year-round. Our certified energy and insulation experts can evaluate your home and offer solutions to boost comfort, improve indoor air quality, and lower energy bills. Call or book online to get your free insulation inspection!
If you’re dealing with moisture, mold, or structural issues, we can help. Our team transforms problem crawl spaces into clean, energy-efficient areas. Book your FREE crawl space inspection today! 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!
This past Friday, April 29, GSM Services had thirty 8th grade students visiting from Stanley Middle School as part of the first-ever Students@Work Day, a program partnership between Gaston County Schools and the Gaston Regional Chamber. More than 300 middle school students from the county's 11 middle schools were paired with an area business.... [Read more]
This customer was in need of a new furnace and air conditioning system for their home. They had two units outside but only one needed to be updated for comfort, energy effiency to save the customer the most on their utility bills. After evaluating their whole home and taking a look to provide the customer with the best options, the customer decided to install a complete new GSM TruComfort heating and cooling system.
This homeowner in Stanley, NC needed their Heat Pump replaced. Our team of experts replaced the old heat pump with new energy efficient TruComfort System.
On this job in Stanley, NC we came across a damp crawl space that created high levels of mold. We took the steps necessary to remove all signs of mold growth and to protect the crawl space from any future growth.
GSM Services replaced a gas air conditioner and furnace with a high efficiency GSM TruComfort Signature system.
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.
Crawlspace Call, Installation of new floor insulation in the crawlspace
AC Call, Performed an installation of a new Amana system
Guttering Call, Performed an installation of Gutter Guards
Dryer Vent Call, Before & After of a dryer vent cleaning
Crawlspace Call, Performed yearly crawlspace maintenance
Generator Installation, New Generator
New Dryer vent , Dryer vent replacement