AC Repair, HVAC Replacement & Install in Shelby, NC

For 99 years, GSM Services has provided AC repair, AC replacement, HVAC maintenance, and new heating & cooling system installation in Shelby, NC. Our certified technicians deliver fast, reliable service, quality workmanship, and honest, fair pricing. We're proud to have been voted Best Heating & Cooling Company for the past 10 years! We also offer insulation, 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!

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Why Locals Choose GSM Services:

✅ Fast, Affordable & Reliable
✅ Licensed and Insured
✅ Locally Owned for 99+ Years
✅ Voted Best Heating & Cooling Company
✅ 100% Guaranteed Satisfaction
✅ Outstanding Warranties
✅ Unbeatable Financing for Any Budget
✅ FREE HVAC Service Calls with Repairs
✅ FREE Online HVAC System Quotes
✅ FREE Insulation, Crawlspace and Home Energy Audits

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How Much Does a New AC System Cost in Shelby, NC?

A new Air Conditioning system in Shelby, NC typically costs $8,000–$20,000+, depending on your home's size, system efficiency, ductwork, and installation requirements. Factors like square footage, insulation, and existing equipment can also impact pricing.

Get an instant estimate with GSM's free HVAC System Cost Calculator. Receive customized AC pricing and estimated monthly payment options for your Shelby, NC home before scheduling an appointment.

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Duct Cleaning & Air Conditioning System Prices in Shelby, NC

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HVAC INSTALLATION

DUCT CLEANING

DRYER VENT CLEANING

Heating & Cooling Services in Shelby, NC:

Crawl Space, Insulation, Generators & Other Home Services We Offer in Shelby, NC:

Case Studies From Shelby

GSM Services recently did a job at a home in Shelby, NC. The coworkers involved on this project were Shane Groves, Shawn Messer, Owen Driscoll,...[Read More]

Photo Galleries From Shelby

SunChutter radiant barrier installation underway. This attic will be much cooler in the summer.

More comfort

News & Events From from Shelby

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]

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]

We Fix Uncomfortable Homes!

What Is a Home Energy Audit? A home energy audit is a service provided by GSM Services to help you determine what you can do to make your home more efficient and help your AC and heating equipment to perform better. You get an assessment of your home, and you can get a custom plan for healthier air, energy savings, and comfort and most importantly, we will do this FREE to provide you the best options to improve your home comfort....[Read more]

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Work Requests From Shelby, NC

Project Location: Shelby, NC
Need to replace an existing broken mini split unit in a bonus room. I've already purchased the new unit and install kit of adequate size. It's a Pioneer 12K btu.
Project Location: Shelby, NC
My AC is blowing, but it is not cold. It has slowly gotten worse over the last few years. We had a repair man out a couple years ago (for another issue) and he said it would most likely need more R22. The unit is from 1980, and I know we need a new unit, but for right now we just need it repaired.
Project Location: Shelby, NC
My second story stays hot. Was needing to know what can be done to cool the entire house. I also wanting to see the cost of switching to electric heater.
Project Location: Shelby, NC
Need a new heating an air conditioner. It need to be up date it. An may need new duck work an air vents cut out in the floor agin do to they got covered up when the plywood was replaced
Project Location: Shelby, NC
Need a new heating an air conditioner. It need to be up date it. An may need new duck work an air vents cut out in the floor agin do to they got covered up when the plywood was replaced
Project Location: Shelby, NC
1800 sq ft attic insulation price?
Project Location: Shelby, NC
I need a new ac unit and also do u guys do payment plan on new ac units
Project Location: Shelby, NC
Air conditioner breaker keeps tripping. Unit will run big the air will not get cool
Project Location: Shelby, NC
The compressor on our hvac went out yesterday. We were told that they would either need to be replaced or the whole system would need to be replaced. It was originally installed in 2010. We need to get it working ASAP or get a new unit due to having two small children. We need to have it financed.
Project Location: Shelby, NC
Air not working . Circumstances: • when set to a specific temp; pump works outside but nothing inside. • when turned "off" in house; air blows inside and smells like something burning. • Currently all breakers are off and using window unit.
Project Location: Shelby, NC
Air is not getting cool
Project Location: Shelby, NC
Needing new HVAC system.
Project Location: Shelby, NC
We just bought this house in June and need to start having the hvac system service done to get ready for winter
Project Location: Shelby, NC
Looking to purchase generator with installation.
Project Location: Shelby, NC
Energy Efficiency.. attic insulation and duct work
Project Location: Shelby, NC
We are in immediate need for a quote to add duct and HVAC to a new event center we are buying this week. Can we setup a time asap to meet and get a quote
Project Location: Shelby, NC
Request estimate on duct cleaning
Project Location: Shelby, NC
ownstairs of our house is very cold and drafty -- I'm wondering if it's an insulation problem?
Project Location: Shelby, NC
AC not working

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Serving the following Cleveland County, NC zip codes

28150, 28151, 28152, 28150, 28151, 28152

Products & Services

HVAC Systems

air conditioning company
air conditioning systems
HVAC Replacements
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
AC installation
AC 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 Shelby

Before

After

Our Service Advisors work hard to keep you comfortable! We thoroughly clean and service your system to bring it back to life. Regular maintenance extends the life of your heating system.

Before