We established One Call HVAC to provide homeowners and businesses in the Upstate with honest, reliable heating and cooling services, and for more than 15 years, we have served the Greenville and Spartanburg communities with that mission in mind. As a family-owned and operated business, we understand that dependable comfort is an important part of a home. Our approach reflects that understanding: every customer receives family-level care, and every home is treated with the same respect we would give our own. Licensed and certified HVAC technicians perform our work, bringing decades of combined experience to every job. Their extensive knowledge helps us support efficient heating and cooling system operation throughout the year.
We continue to develop our capabilities through ongoing technician training. Our team stays informed about the latest HVAC equipment, technologies, techniques, and best practices so that we can provide cutting-edge solutions while preserving the personal service that has helped make One Call HVAC a trusted name locally. We also understand that heating and cooling emergencies can happen at inconvenient times, which is why we make certified technicians available 24/7 to help restore comfort. Our customer-focused service is built on transparent pricing, clear communication, and workmanship that exceeds expectations. We stand behind our services with a complete satisfaction guarantee, and when a customer is not happy with our work, we will make it right. Call (864) 362-8810 to speak with One Call HVAC today.
- Greenville & Spartanburg, SC
- Employees: 10
- Licensed
- Insured
- 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
- Cash, Debit cards, Credit cards, Financing available
Our air conditioning service is structured to support reliable cooling through every stage of system ownership. We install and upgrade equipment, repair existing units, conduct annual tune-ups, and perform preventive inspections. When urgent problems arise, our emergency service is available 24 hours a day. We also provide filter replacement, coil cleaning, leak repair, and system optimization. 
Our professional heating service addresses both routine maintenance and unexpected system problems. We provide furnace repairs, installations, cleaning, tune-ups, inspections, heat pump maintenance, and energy-efficiency optimization. We also install smart thermostats, zone heating systems, and ductless solutions. When heating equipment stops working, our emergency service focuses on rapid diagnosis and effective repair. 
We offer complete ductwork solutions to help maximize HVAC efficiency and improve indoor comfort. Our professional services include Aeroseal technology and manual leak sealing, duct replacement, custom design, proper sizing, insulation upgrades, damper repair, and airflow balancing. Each project begins with an assessment so we can identify problems and provide an effective solution. 
Our HVAC maintenance plans provide a straightforward way to keep your system properly serviced throughout the year. We perform scheduled tune-ups and comprehensive inspections to identify potential issues before they lead to breakdowns. Depending on the selected plan, members receive benefits such as priority scheduling, repair discounts, included filters, and no overtime charges. 
We improve indoor air quality with professional filtration, purification, and humidity control systems designed for your home. Our solutions address allergens, dust, odors, biological growth, dry air, and stale conditions. We provide air purification, humidification, ventilation, and testing options tailored to your needs. Our goal is cleaner, fresher, more comfortable air.