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One Call HVAC At One Call HVAC, we have built more than 15 years of service experience in Greenville and Spartanburg by remaining committed to honest, reliable heating and cooling support. Our family-owned and operated company was founded to serve homeowners and businesses across the Upstate with dependable HVAC services. We understand firsthand that comfort and reliability are essential to a home, so our approach is intentionally personal. Every customer receives the consideration we would extend to family, and every home is treated with the care we would provide our own. Our licensed and certified technicians bring decades of combined experience to each assignment, helping customers maintain heating and cooling systems that work efficiently year-round.

Expert service requires continued development, which is why our technicians participate in ongoing training related to the latest HVAC equipment, technologies, techniques, and best practices. Keeping our knowledge current allows us to offer cutting-edge solutions without sacrificing the personal touch that has earned One Call HVAC its trusted reputation in the community. We also recognize that emergencies can occur at any time, so our certified technicians remain available 24/7 for HVAC emergencies and to restore comfort when customers need it most. We prioritize satisfaction through transparent pricing, straightforward communication, and workmanship that goes beyond expectations. Our complete satisfaction guarantee means we stand firmly behind our work, and if you are not satisfied, we will make it right. Call us at (864) 362-8810.
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
AC Services Our comprehensive AC solutions are designed to maintain effective and dependable cooling in the home. We provide installation, replacement, repair, maintenance, and emergency service, with options tailored to specific system needs. Our work includes inspections, load calculations, equipment recommendations, refrigerant repairs, component replacement, thermostat troubleshooting, filter changes, coil cleaning, and preventive system care.
Heating Services We provide professional heating solutions covering installation, troubleshooting, maintenance, safety, and emergency repair. Our services extend to gas and electric furnaces, heat pumps, boilers, and ductless mini-splits. We can improve existing systems with energy-efficient replacements, smart thermostats, zone heating, and other upgrades while providing prompt attention when heating equipment requires immediate repair.
Ductwork Services Our ductwork service is focused on identifying and correcting conditions that reduce HVAC efficiency or affect comfort. We conduct a thorough inspection, locate leaks and other inefficiencies, and perform the necessary professional work. Depending on the system, this may include cleaning, sealing, repair, modification, insulation, airflow balancing, replacement, or installation.
HVAC Maintenance We provide structured HVAC maintenance to help keep heating and cooling equipment ready for each season. Our comprehensive tune-ups evaluate system operation, safety, and important components while addressing maintenance needs before they become larger concerns. Plan members can also receive priority scheduling, repair discounts, included filters, and protection from overtime charges, depending on the plan selected.
Indoor Air Quality Cleaner indoor air requires the right combination of filtration, purification, moisture management, and circulation. We offer comprehensive systems that address dust, allergens, odors, biological growth, dry air, and stale conditions. Our process includes an indoor air quality assessment, customized solution design, professional installation, and the implementation of equipment selected for your specific needs.
Reviews (5)
Write a Review
Brittany Moore
Jun 17, 2026
Our system went out overnight. We called first thing in the morning and he came out pretty fast. He diagnosed the issue and had it fixed in no time. Even fixed another issue he found before he left! He was very professional, responsive and we would recommend to anyone! Thank you!
Jackie P. JackieTest
Feb 15, 2026
Culturally sensitive technicians
Zippy Bruce
Feb 04, 2026
Called for emergency service, they came out the same day and fixed my heat! Very reasonable price and knowledgeable technician
Silent Night
Jan 30, 2026
Very trustworthy work and great service! Got the job done efficiently and quickly!
Philip M. Kovacs
Jan 29, 2026
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