With over 15 years of service in Greenville and Spartanburg, One Call HVAC remains committed to being a trusted HVAC partner for both homeowners and businesses. Our family-owned and operated company began with one purpose: provide honest and reliable heating and cooling services across the Upstate. We know that comfort and reliability are fundamental to a home, so our service is shaped by genuine care for the people and properties we serve. We consider every customer part of our extended family and handle every home with the attention we would give our own. Our licensed and certified HVAC technicians contribute decades of combined experience, giving every job the benefit of substantial professional knowledge and helping heating and cooling systems operate efficiently year-round.
We maintain that expertise through ongoing training on the latest HVAC equipment, technologies, techniques, and best practices. By staying current with the industry, we can provide cutting-edge solutions while keeping the personal approach that has made us a trusted community business. When HVAC emergencies occur, customers can depend on our 24/7 availability because urgent heating and cooling needs do not conform to business hours. We also make customer satisfaction a central part of our service through transparent pricing, clear communication, and workmanship that exceeds expectations. Our complete satisfaction guarantee reinforces our commitment to standing behind every job. If you are not happy with our work, we will make it right. For honest, reliable HVAC service from our team, call One Call HVAC at (864) 362-8810.
We maintain that expertise through ongoing training on the latest HVAC equipment, technologies, techniques, and best practices. By staying current with the industry, we can provide cutting-edge solutions while keeping the personal approach that has made us a trusted community business. When HVAC emergencies occur, customers can depend on our 24/7 availability because urgent heating and cooling needs do not conform to business hours. We also make customer satisfaction a central part of our service through transparent pricing, clear communication, and workmanship that exceeds expectations. Our complete satisfaction guarantee reinforces our commitment to standing behind every job. If you are not happy with our work, we will make it right. For honest, reliable HVAC service from our team, call One Call HVAC at (864) 362-8810.
Served areas
- Greenville & Spartanburg, SC
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 offer a full range of air conditioning services to address both immediate problems and ongoing maintenance needs. Our team provides system installation, replacement, upgrades, repairs, annual inspections, and preventive care. We also handle filter replacement, coil cleaning, refrigerant leaks, compressor and fan motor issues, thermostat troubleshooting, and 24/7 emergency cooling service. 
Our heating service provides professional care for systems that require installation, repair, maintenance, or improvement. We perform furnace troubleshooting, annual cleaning and tune-ups, heat pump installation and maintenance, safety inspections, and energy-efficient upgrades. Smart thermostats, zone heating, and ductless solutions are also available, while emergency service addresses sudden heating failures with prompt repair. 
We offer professional solutions for ductwork problems that can contribute to uneven temperatures, dust, odors, high energy bills, and excessive airflow noise. Following a comprehensive inspection, we identify the source of the issue and recommend the appropriate service. Our capabilities include sealing, cleaning, repair, insulation work, airflow balancing, replacement, and installation. 
We deliver professional preventive maintenance intended to keep HVAC systems functioning properly throughout the year. Seasonal tune-ups include detailed inspection and service, with specific checks for heating and cooling equipment. By maintaining the system regularly, we help reduce energy waste, detect potential failures earlier, protect equipment longevity, and provide maintenance plan members with added service benefits. 
We help improve household air quality by targeting pollutants and environmental conditions that can affect comfort. Our services cover HEPA and electronic filtration, UV light purification, activated carbon, whole-home humidification, dehumidification, and balanced ventilation. After testing the indoor environment, we create a customized plan and complete the installation professionally for your home.
Reviews (5)
Brittany Moore
Jun 17, 2026
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Kristy Witt
May 04, 2026
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Jackie P. JackieTest
Feb 15, 2026
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Andrew E.
Feb 10, 2026
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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
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