AC Repair, HVAC Replacement & Installation in Blacksburg, SC

For 99 years, GSM Services has been the trusted choice for AC repair, HVAC replacement, installation, and maintenance services in Blacksburg, SC. Our certified technicians deliver fast, reliable service and honest, upfront pricing. We're dedicated 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 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 System Quotes
• ✅ FREE Insulation, Crawlspace and Home Energy Audits

How Much Does a New AC System Cost in Blacksburg, SC?

The cost of a new Air Conditioning system in Blacksburg, SC typically ranges from $8,000 to $20,000+ in 2026, depending on the size of your home, the efficiency of the system, ductwork requirements, and installation complexity.

Want to know what a new AC may cost for your home? Use our HVAC Cost Calculator to get instant Air Conditioning replacement pricing in Blacksburg, SC. Compare system options, estimated monthly payments, and personalized HVAC installation costs in minutes—before scheduling an in-home consultation.

Duct Cleaning & HVAC System Prices in Blacksburg, SC

Get a free online quote in seconds!

Heating & Cooling Services We Offer:

Crawl Space, Insulation, Generators & Other Services We Offer:

AC Repair in Blacksburg, SC

Need AC repair in Blacksburg, 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! Schedule online now for fast AC repair or service!

HVAC Repair & Service for All System Types

• Central HVAC Systems
• Heat Pumps
• Air Conditioners
• Furnaces
• Ductless Mini Splits
• Packaged HVAC Units

Warning Signs Your HVAC System Needs Repair

• AC Blowing Warm Air
• AC Freezing Up or Ice On AC Unit
• Furnace Not Heating
• System Not Turning On
• Weak Airflow From Vents
• Loud & Unusual Noises
• Frequent Cycling On And Off
• Hot/Cold Rooms
• Musty Smells or Odors
• Excess Humidity Indoors
• High Electric Bills

HVAC Replacement & Installation Services in Blacksburg, SC

Looking for a New Air Conditioning System? Our licensed HVAC installers in Blacksburg, SC 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!

Blacksburg, SC Crawl Space Repair Contractor

GSM Services provides professional crawl space services in Blacksburg, SC. 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 Blacksburg, SC:

GSM Services' professional duct cleaning removes dust, debris, and buildup throughout your entire duct system—not just the vents—to help improve indoor air quality and HVAC performance. We also inspect your ductwork for leaks or damage and include a disinfectant treatment for a fresher, cleaner home. Get your free instant online quote today!

Top Insulation Company in Blacksburg, SC

GSM Services is your trusted local insulation company in Blacksburg, SC. We install attic, wall, crawlspace, floor, garage, and whole-home insulation to improve comfort, indoor air quality, and energy efficiency. Our insulation experts help homeowners lower energy bills, reduce hot and cold spots, and enjoy a more comfortable home year-round. Schedule your free insulation inspection online and receive a custom, no-obligation quote.

Photo Galleries From Blacksburg

GSM Services works on a commercial roof in Blacksburg, SC.

Work Requests From Blacksburg, SC

• Project Location: Blacksburg, SC
  My air conditioning runs, but it's not discharging cold air, but rather just slightly cool air. It does work somewhat, but feels as if it needs a charge. I usually don't have it set very low because I prefer it a bit warmer, but it is still struggling to keep things at 77 degrees.
• Project Location: Blacksburg, SC
  Looking to improve insulation and reduce air loss through floors of my 1810 farm house. May also want to spray foam upstairs ceiling
• Project Location: Blacksburg, SC
  Hot in house
• Project Location: Blacksburg, SC
  We need new duct work and heating/cooling system.
• Project Location: Blacksburg, SC
  Would like a quote to replace my 1.5 ton compresser, R22, and I'm buying the compresser, and I have my own 30 lb bottle of R22. So, just labor. Thank you
• Project Location: Blacksburg, SC
  New system. House has never had central air and heating. Additional information: Interested in: Free Estimates For Replacements and Upgrades Selected services: Heating and Cooling

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 Blacksburg

Before

After

Dryer Vent Cleaning in Blacksburg, SC.

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Company Awards

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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.

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Best of Gaston 2022

GSM Services won Best Heating & Cooling Company and Top Place To Work in the County!

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Best Contractor to Work For - ACHR News

Named Best Contractor to Work For by ACHR News, a leading national industry publication in 2021.

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Top Place to Work in Charlotte

GSM was recognized as one of the Top Places to Work in 2019 by The Charlotte Observer.