Rock Hill HVAC Repair
Expert AC Repair and HVAC Services in Rock Hill, SC
GSM Services provides expert AC repair, maintenance, and HVAC installation. Our certified HVAC technicians deliver fast, reliable service, quality workmanship, and honest pricing—earning the trust of local homeowners for over 99 years! As a 10-time Best HVAC Company winner, we're committed to improving your home's comfort, air quality, and energy efficiency. Enjoy easy online scheduling, instant online quotes, and free service calls with repairs.
Why Locals Choose GSM Services:
- ✅ Fast, Affordable & Reliable
- ✅ Licensed & Insured
- ✅ Locally Owned for 99+ Years
- ✅ Voted Best HVAC Company
- ✅ 100% Guaranteed Satisfaction
- ✅ Outstanding Warranties
- ✅ Financing for Any Budget
- ✅ FREE Service Calls with Repairs
- ✅ FREE System Quotes
- ✅ FREE Insulation, Crawlspace & Energy Audits
AC Repair in Rock Hill, SC
Need AC repair in Rock Hill, SC? GSM Services provides fast, reliable AC repair for all makes and models. Our licensed HVAC technicians deliver expert service, honest pricing, and quality repairs you can trust. Plus, we waive the service call fee with repairs! Book your service online now!
HVAC Repair & Service for All System Types
- Central HVAC Systems
- Heat Pumps
- Air Conditioners
- Furnaces
- Ductless Mini Splits
- Packaged HVAC Systems
Warning Signs Your HVAC System Needs Repair
- AC Blowing Warm Air
- Furnace Not Heating
- System Not Turning On
- Weak Airflow From Vents
- Unusual Noises Or Odors
- Frequent Cycling On And Off
- Hot/Cold Rooms
- Excess Humidity Indoors
HVAC Replacement in Rock Hill, SC
Looking for a New Air Conditioning System? Our licensed HVAC installers in Rock Hill 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!
How Much Does a New Air Conditioning System Cost in Rock Hill, SC?
A new AC system in Rock Hill 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 Services' free HVAC System Cost Calculator. Receive customized AC pricing and estimated monthly payment options for your Rock Hill home before scheduling an appointment.
Duct Cleaning & HVAC System Prices in Rock Hill, SC
Get your free instant quote online in just 30 seconds!
HVAC Services in Rock Hill, SC:
Crawl Space, Insulation, Generators & Other Home Services:
Serving the following Rock Hill, SC zip codes
29730, 29731, 29732, 29733, 29734, 29730, 29731, 29732, 29733, 29734
Photo Galleries From Rock Hill
Clean space with smart drain
Hole house energy audit. This house was 200% over the minimum ventilation guide. AirSealing insulation duct sealing radiant barrier will save this homeowner a lot of money a month. Rockhill SC
News & Events From from Rock Hill
How Can I Keep My Heating Bills Down?
Make the most out of home energy expenses. More of your utility bills go toward heating and cooling than any other use of home energy, so making sure your HVAC services are being put to good use is the first and best way to make your home more efficient. Learn how to cut down on costs, waste less energy, and be more comfortable all that the same time with one easy step....[Read more]
More News & Events
Work Requests From Rock Hill, SC
- Project Location: Rock Hill, SC
Investigation additional insulation in attic Just installed new HVAC system would like to look at options: radiant barrier foam insulation additional blow in - Project Location: Rock Hill, SC
Looking to get ductal clean - Project Location: Rock Hill, SC
Would like to get some better insulation in the attic. (Older home from the 1950s. @ 1000 sq ft) - Project Location: Rock Hill, SC
I'm having a very hard time finding an insulation company to give me a quote for my new house. I have house plans I can send you. Please let me know where to send the plans to. If you do residential HVAC, i'd like a quote on that as well. Thanks. - Project Location: Rock Hill, SC
Insulation, duct cleaning, HVAC assessment - Project Location: Rock Hill, SC
I wanted an estimate on having foam insulation blown into pre-existing walls - Project Location: Rock Hill, SC
The fireplace is a main concern as it gets extremely cold in the winter time. The crawl space under the fireplace may not be properly insulated. The space behind the microwave oven in the kitchen is also a concern for improper insulation. - Project Location: Rock Hill, SC
Attic insulation - Project Location: Rock Hill, SC
My ac unit is broken. I had US Heating and Air look at it on Monday they said it needed to be replaced. I live in a 2-story end unit townhouse that is about 1200 sq feet. I am looking for a price quote for a new 2ton unit and how quickly could it be installed. My AC has been out since 05/15. - Project Location: Rock Hill, SC
I just want to find out about a tune up before I turn my air on. - Project Location: Rock Hill, SC
Need a quote on a vapor barrier to be installed before a house closing at the end of the month - Project Location: Rock Hill, SC
My house will not remain cool when the AC is running nor does it remain warm when the heat is on. - Project Location: Rock Hill, SC
We have lived in our new home (built in 1957) for about one year and have noticed very high utility bills. We would like to investigate and prioritize ways in which we could lower utility costs and increase energy efficiency. - Project Location: Rock Hill, SC
The builder appears to have not insulated the sill plates on our home. Because of this and poor insulation in walls (especially around windows) our heat bill is twice the average home cost for our area per Duke Electric. - Project Location: Rock Hill, SC
I would like to check how energy efficient my house is. I have one a/c unit outside and two thermostats inside the house. My downstairs is always cold and the upstairs is always hot. I would like energy assessment of my house. - Project Location: Rock Hill, SC
I live in a condo that has no insulation in the exterior walls, and could use some more in the attic also probably. - Project Location: Rock Hill, SC
We need a quote for installing insulation in the crawl space ceiling and removing and replacing the insulation in the attic. - Project Location: Rock Hill, SC
Just want heater checked out - Project Location: Rock Hill, SC
Quote needed for: Phase 1 - Repair work for an old metal building with the demo completed, with exposed studs, with both the walls and ceiling area needing the closed cell foam insulation. Phase 2 interior block wall that will be framed, closed foam insulation, and sheet rocked. - Project Location: Rock Hill, SC
Do you do insulation removal/install? Found rigid foam contractors online and GSM came up. I was the Manufacturing Plant Manager at Conitex in Gastonia and used you guys a few times for duct work.
See all work requests
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
Company Awards
2026 Best Heating & AC Company
GSM Services Named 2026 Best of Gaston Winner for Best Heating & Cooling Company.
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.