When it comes to keeping your home comfortable year-round, One Call HVAC is the name you can trust. As a leading HVAC company in South Carolina, we are dedicated to providing complete heating, ventilation, and air conditioning repair and installation services in Spartanburg, SC, including installation, repair, and maintenance for air conditioners, furnaces, and heat pumps. Our licensed technicians are dedicated to delivering top-quality work, honest communication, and long-term reliability.
When your system breaks down, you can count on One Call HVAC for fast, professional service. We diagnose the issue quickly, explain your options clearly, and perform high-quality repairs using trusted parts. From refrigerant leaks and thermostat failures to blower motor and electrical issues, we get your system back to working efficiently as soon as possible.
Regular maintenance keeps your HVAC unit in top condition and helps prevent costly breakdowns. Our maintenance service plans include cleaning coils, checking connections, testing controls, and verifying airflow. A well-maintained system runs more efficiently, saving you money on energy bills while improving comfort throughout your home.
Professional duct repair and installation for optimal airflow and efficiency.
Available around the clock for urgent HVAC needs
Trusted HVAC experts serving the Upstate
We stand behind our work with a complete guarantee

Trustindex verifies that the original source of the review is Google. Very trustworthy work and great service! Got the job done efficiently and quickly!Posted on Google Silent NightTrustindex verifies that the original source of the review is Google. 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 CallPosted on Google Philip m KovacsTrustindex verifies that the original source of the review is Google. Culturally sensitive techniciansPosted on Google Jackie P (JackieTest)Trustindex verifies that the original source of the review is Google. 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. Couldn’t be more pleased with the level of service we received. These guys come highly recommended!Posted on Google Andrew ETrustindex verifies that the original source of the review is Google. My HVAC wasn’t working properly and these guys were the first to answer my phone call. Reasonably priced and got the job done fast!Posted on Google Tyler FirestineTrustindex verifies that the original source of the review is Google. Called for emergency service, they came out the same day and fixed my heat! Very reasonable price and knowledgeable technicianPosted on Google zippy bruceTrustindex verifies that the original source of the review is Google. Great companyPosted on Google Kevin CooneyTrustindex verifies that the original source of the review is Google. 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!Posted on Google Clifford Bowers