For over 15 years, One Call HVAC has provided heating and cooling services to homeowners and businesses across Greenville and Spartanburg. Our family-owned and operated business was created to fulfill a straightforward mission: offer honest, dependable HVAC service throughout the Upstate. We understand from experience that comfort and reliability are important parts of any home, and our service reflects that understanding. Rather than treating customers as simply another service call, we treat each person like family. We likewise care for every home as though it were our own. Our licensed and certified HVAC technicians bring decades of combined experience to their work, giving us the knowledge needed to help heating and cooling systems operate efficiently throughout every season.We believe quality service requires continued learning. Accordingly, our technicians receive ongoing training in current HVAC equipment, technologies, techniques, and best practices. This preparation keeps our work aligned with the latest developments while allowing us to maintain the personal level of service our community has come to trust. Because HVAC emergencies can occur at any hour, our certified technicians are available 24/7 to help restore comfort when it matters most. Customer satisfaction remains a priority through transparent pricing, clear communication, and workmanship that aims to exceed expectations. We also back our work with a complete satisfaction guarantee. If our service does not meet your expectations, we will make it right. Call One Call HVAC at (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 AC installation and replacement services with attention to proper system sizing and load calculations. Existing equipment can be evaluated for cooling problems, inefficiency, unusual sounds, frequent failures, or uneven performance. Our repair and maintenance services include refrigerant leak detection, motor and compressor replacement, thermostat troubleshooting, filter replacement, coil cleaning, and preventive inspections. 
We provide reliable heating services designed to keep your home comfortable throughout the winter. Our solutions include furnace repair, installation, maintenance, heat pump services, safety inspections, system upgrades, and emergency heating repair. We address common heating problems efficiently and provide professional service focused on dependable performance, safety, and year-round system reliability. 
Our ductwork services combine inspection, problem identification, and professional corrective work to improve HVAC efficiency. We locate leaks, blockages, and other inefficiencies before performing the required service. Depending on system needs, we can seal visible leaks, use Aeroseal technology, repair damaged sections, upgrade insulation, install dampers, balance airflow, or replace ductwork. 
Professional HVAC maintenance gives us the opportunity to identify and address equipment concerns before they result in unexpected failures. Our service includes seasonal tune-ups and detailed inspections intended to support efficient, safe operation. Regular maintenance can help lower energy use, reduce repair needs, preserve manufacturer warranties, and extend the useful life of heating and cooling systems. 
We provide comprehensive indoor air quality solutions to purify and optimize the air throughout your home. Our services include HEPA filtration, electronic air cleaners, UV purification, activated carbon filters, humidifiers, dehumidification, humidity monitoring, and ventilation improvements. We begin with an air quality assessment, design a suitable plan, and complete professional installation.
Reviews (5)
Robbie Bannister
Jun 19, 2026
Brittany Moore
Jun 17, 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
Philip M. Kovacs
Jan 29, 2026