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31 Years
experience
Emergency
services
Expert HVAC Services in Greer, SC
Founded in 1995 by Greg Ballenger, RSI Carolina has grown from a small team of three employees to a trusted provider with over 40 skilled technicians serving the Upstate of South Carolina. Our expertise in HVAC repair, installation, and maintenance is rooted in decades of hands-on experience, including Gregs background managing refrigeration systems for a major supermarket chain. We prioritize quality workmanship, using cutting-edge equipment and non-commissioned technicians to ensure honest, reliable service.

As a Carrier Factory Authorized Dealer, we offer 10-year warranties on new systems and emphasize energy efficiency through services like insulation and electrical upgrades. Our commitment to community extends to training future HVAC professionals at Greenville Technical College, where Greg teaches commercial refrigeration courses. With a focus on customer satisfaction, we provide 24/7 emergency support, flat-rate billing, and financing options to meet diverse client needs.
Services
HVAC Repairs HVAC Installation Preventative Maintenance Electrical Services Insulation Upgrades
Details
  • Year established: 1995
Highlights and features
  • We offer 24/7 emergency HVAC services for urgent needs.
  • Our non-commissioned technicians prioritize honest, customer-focused repairs.
  • 10-year warranties on Carrier HVAC equipment ensure long-term reliability.
  • 40+ licensed technicians provide fast, expert service across the Upstate.
  • Financing options available for new system installations.
Associations and certifications
  • Carrier Factory Authorized Dealer
What people say
Best HVAC company Excellent service Honest people Quick emergency response Energy savings
Services
HVAC Repairs
Our non-commissioned technicians provide fast, reliable HVAC repairs for residential and commercial systems. Using premium parts and diagnostic tools, we address issues like refrigerant leaks, compressor failures, and thermostat malfunctions. Emergency services ensure comfort is restored quickly during extreme weather.
HVAC Installation
As a Carrier Factory Authorized Dealer, we install high-efficiency heat pumps, furnaces, and air conditioners. Our team ensures proper sizing, ductwork optimization, and registration for 10-year equipment warranties. Financing options make upgrades affordable for homeowners and businesses.
Preventative Maintenance
Scheduled maintenance extends HVAC system lifespan and improves energy efficiency. Our technicians clean coils, check refrigerant levels, and inspect electrical components. Service agreements offer discounted rates and priority scheduling for breakdowns.
Electrical Services
We handle residential electrical projects, including panel upgrades, surge protection, and outdoor receptacle installations. Licensed electricians ensure code compliance and safety during upgrades to support HVAC systems and home appliances.
Insulation Upgrades
Proper insulation reduces energy loss and lowers utility bills. Our experts assess attic and wall insulation levels, recommending eco-friendly materials to improve HVAC efficiency. Free consultations identify cost-saving opportunities for existing systems.
People
Greg Ballenger
President
Founder Greg Ballenger established RSI Carolina in 1995 after managing refrigeration systems for a major supermarket chain. He teaches commercial refrigeration at Greenville Technical College and oversees operations for the 40+ employee team.
Questions
What HVAC services do you offer?
We provide repair, installation, and maintenance for residential and commercial HVAC systems, including electrical upgrades and insulation services.
Do you offer emergency HVAC service?
Yes, we provide 24/7 emergency support for urgent heating and cooling issues outside regular business hours.
Are financing options available?
Yes, we offer financing for new HVAC system installations to qualified customers.
What areas do you serve?
We serve Greenville, Greer, Spartanburg, Anderson, and surrounding areas in the Upstate of South Carolina.
Why choose your company?
Our non-commissioned technicians prioritize customer needs, backed by 10-year equipment warranties and 28+ years of local expertise.
Do you offer maintenance plans?
Yes, our preventative maintenance agreements include annual tune-ups and priority service for HVAC emergencies.