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One Call HVAC has proudly supported the Greenville and Spartanburg communities for more than 15 years as a trusted provider of heating and cooling services. We founded our family-owned and operated company with a direct commitment to serving homeowners and businesses throughout the Upstate honestly and reliably. Comfort and reliability are important to every home, and we understand the responsibility that comes with providing HVAC service. That is why we treat every customer like family and every home as though it were our own. Our licensed and certified technicians bring decades of combined experience to their work, applying that expertise on every job to help heating and cooling systems operate efficiently throughout the year.

Our dedication to customers includes a commitment to current HVAC knowledge. Technicians receive ongoing training in the latest equipment, technologies, techniques, and best practices, allowing us to deliver cutting-edge solutions while retaining the personal touch that has established our reputation within the community. We are also prepared when unexpected HVAC problems arise. Since emergencies do not wait for normal business hours, our team provides 24/7 emergency service to restore comfort when it is most needed. We place satisfaction at the forefront by maintaining transparent pricing, communicating clearly, and providing workmanship that exceeds expectations. In addition, our complete satisfaction guarantee means that we take responsibility for our work. If you are not satisfied, we will make it right. Experience the difference with One Call HVAC by calling (864) 362-8810 today.
AC Services Heating Services Ductwork Services
Served areas
  • Greenville & Spartanburg, SC
Details
  • Employees: 10
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
  • Credit cards
  • Financing available
  • Debit cards
Services
AC Services
AC Services
We handle residential air conditioning needs through installation, repair, maintenance, and emergency service. Our technicians work to restore effective cooling and address issues involving refrigerant, compressors, fan motors, thermostats, filters, and coils. For new or replacement systems, we provide sizing and load calculations as well as energy-efficient recommendations tailored to the home's requirements.
Heating Services
Heating Services
Our heating services are designed to address both everyday maintenance requirements and serious heating failures. We install and repair furnaces, maintain heat pumps, perform safety inspections, and improve system efficiency. Additional options include smart thermostats, zone heating, and ductless solutions. For unexpected breakdowns, our emergency heating service provides rapid diagnosis and repair.
Ductwork Services
Ductwork Services
Our ductwork solutions are designed to correct leaks, damage, insulation problems, and airflow concerns within HVAC systems. We offer professional sealing using Aeroseal technology or manual methods, along with repairs, replacements, custom duct design, and proper sizing. We also provide insulation and damper work to support efficient, balanced airflow.
HVAC Maintenance
HVAC Maintenance
With our HVAC maintenance plans, we provide consistent care for your heating and cooling system before problems become costly repairs. Each tune-up includes detailed inspection and service intended to improve efficiency and identify concerns early. Regular maintenance also supports safe operation, helps preserve equipment life, and keeps manufacturer warranty protection maintained.
Indoor Air Quality
Indoor Air Quality
We help homeowners improve indoor air by addressing airborne allergens, dust, odors, biological growth, moisture imbalance, and inadequate circulation. Our approach combines air purification, advanced filtration, humidity control, and ventilation solutions according to your specific needs. Through testing, customized planning, and professional installation, we work to provide cleaner and fresher air.
Reviews (3)
Clifford Bowers
Feb 11, 2026 Report
Avery diagnosed the problem others had missed on two separate service calls. Then he went above and beyond to get the needed parts installed before the winter storm last weekend. OneCall has my business for both HVAC and plumbing. They are honest, efficient and expect!
Zippy Bruce
Feb 04, 2026 Report
Called for emergency service, they came out the same day and fixed my heat! Very reasonable price and knowledgeable technician
Philip M. Kovacs
Jan 29, 2026 Report
The hvac team at one call did an amazing job. Avery helped me save a major headache with his intuition and ability far past any homeowner can imagine. Will definitely be a life long customer of One Call