Johnsons Heating & Air - Sumter's Qualified HVAC Services
21 Brent St, Sumter, SC 29150
Q&A
As a Sumter homeowner, what should I do if my new smart thermostat isn't connecting properly to my HVAC system?
Smart thermostat connectivity issues are common, often due to compatibility or wiring. Our team at Johnsons Heating & Air is experienced in diagnosing and resolving these problems specific to the systems found in Sumter homes. We can assess your wiring, ensure proper setup for your specific HVAC unit, and get your smart thermostat functioning correctly to help manage your home's comfort efficiently.
What kind of HVAC services do you provide for both homes and businesses in Sumter?
We offer comprehensive installation and repair services for all major heating and air conditioning systems. Founded in 2008, our work is based on decades of experience serving the Sumter area. Whether it's a residential furnace repair or a complete commercial HVAC installation, our licensed team handles each project with the expertise needed for reliable, long-term performance.
Why is proper HVAC installation so important, and how does your experience help?
An improper installation can lead to inefficient operation, frequent breakdowns, and higher energy bills. Owner Jimmy Johnson began his HVAC career with a local Sumter company in 1982, giving him over 40 years of hands-on installation knowledge. We apply this deep, local experience to every install, ensuring your system is correctly sized and set up for optimal performance and durability in our South Carolina climate.
Core Services
- HVAC installation or replacement
- HVAC system repair
Our Story
Johnsons Heating & Air is a trusted Sumter-based HVAC company founded in 2008 by local expert Jimmy Johnson. A lifelong South Carolina resident, Jimmy began his career in 1982 with Broadway Brunson and Gates, gaining over 16 years of hands-on experience with both residential and commercial systems before establishing his own family-run business. He is a licensed mechanical contractor and a graduate of Sumter High School and the technical program now at Central Carolina College. Jimmy leverages his deep local roots and extensive training to provide reliable heating and air conditioning installation and repair services to the Sumter community, ensuring every job is handled with the care of a neighbor who understands the specific needs of area homes and businesses.
Business Location & Hours
| Mon: | Open 24 hours |
| Tue: | Open 24 hours |
| Wed: | Open 24 hours |
| Thu: | Open 24 hours |
| Fri: | Open 24 hours |
| Sat: | Open 24 hours |
| Sun: | Open 24 hours |



















