Our team at One Call HVAC has been serving the Greenville and Spartanburg communities for over 15 years. We created this family-owned and operated business with a clear purpose: provide homeowners and businesses throughout the Upstate with heating and cooling services that are both honest and reliable. Because we understand how important comfort and reliability are in a home, we make personal care part of every customer experience. We treat those we serve like family and approach their homes with the same respect we would give our own. Every project is supported by licensed and certified HVAC technicians who collectively bring decades of experience. Their expertise allows us to focus on efficient operation of heating and cooling systems throughout the year.Our responsibility to customers also includes staying informed about the HVAC field. Ongoing technician training covers the newest equipment, technologies, techniques, and best practices, giving our team the ability to provide cutting-edge solutions while preserving the personal touch that has made us a trusted community name. We are available 24/7 for HVAC emergencies because problems with heating and cooling systems can arise beyond normal business hours. Satisfaction is central to our service, and we maintain transparent pricing, communicate clearly, and perform workmanship that is intended to exceed expectations. Our complete satisfaction guarantee further reinforces our commitment to customers: if you are not happy with our work, we will make it right. Call (864) 362-8810 today.
Served areas
- Greenville & Spartanburg, SC
Business details
- Employees: 10
- Licensed
- Insured
Highlights and features
- Complete heating and cooling solutions for residential and commercial properties
- 24/7 emergency HVAC service for urgent heating and cooling needs
- Licensed, bonded, and insured technicians delivering professional HVAC service
- Expert installation, repair, and maintenance for major HVAC brands
- Preventive maintenance plans improve efficiency and extend system lifespan
- Honest communication, trusted parts, and dependable long-term HVAC reliability
Payment methods
- Cash, Debit cards, Credit cards, Financing available
Services
We provide air conditioning services that range from preventive maintenance to complete system replacement. Our technicians inspect equipment, identify issues, and perform repairs involving refrigerant leaks, compressors, fan motors, and thermostats. For new systems, we recommend energy-efficient equipment and complete load calculations. Emergency assistance is available 24/7 when urgent cooling problems occur. 
We provide complete heating care, beginning with system evaluation and continuing through professional repair or installation. Our services include furnace troubleshooting, annual tune-ups, safety testing, heat pump maintenance, energy-efficient replacements, and heating upgrades. We also respond to no-heat situations with emergency repair services and offer same-day availability when heating problems require prompt resolution. 
We specialize in ductwork services that support better HVAC performance, airflow, and indoor air quality. Our approach starts with a free inspection and a detailed assessment of the duct system. After identifying leaks, blockages, or inefficiencies, we provide cleaning, sealing, repairs, modifications, insulation improvements, replacement, or installation as needed. 
Our comprehensive HVAC maintenance service is designed to prevent avoidable system problems and preserve dependable performance. We schedule regular tune-ups for heating and cooling equipment, perform detailed inspections, and address developing concerns before they become emergencies. Maintenance plan members also receive priority scheduling, repair discounts, and other benefits that support ongoing system care. 
Our service combines air quality assessment with proven methods for improving the conditions inside your home. We can address airborne particles, allergens, unpleasant smells, biological growth, humidity concerns, and insufficient fresh air circulation. Depending on your needs, we provide filtration, purification, humidity control, ventilation, and monitoring solutions through a straightforward professional process.
Reviews (5)
Brittany Moore
Jun 17, 2026
Kristy Witt
May 04, 2026
Clifford Bowers
Feb 11, 2026
Andrew E.
Feb 10, 2026
Contacted One Call when our HVAC went out during the winter storm. We got a call back immediately from Avery who went out of his way to make a service call to our house within a few hours. He was professional and courteous and communicated clearly what our options were to repair our unit. No high pressure sales, honest upfront pricing that was very competitive we ended upgrading our unit that was over 20 years old for not much more than what it would have cost to repair our old outdated unit. Couldnt be more pleased with the level of service we received. These guys come highly recommended!
Tyler Firestine
Feb 02, 2026