Kingsport Electrical, HVAC & Smart Home Services
When you need dependable electrical or HVAC service in Kingsport, Bristol, or Johnson City, you want a team that gets the job done efficiently and correctly. At Thompson Electrical Service, we’ve been helping homeowners and businesses throughout Northeast Tennessee keep their systems running safely and smoothly since 2003. We carry an A+ rating with the Better Business Bureau, reflecting our commitment to quality, professionalism, and customer satisfaction.
Fully licensed and insured, our team is familiar with both local codes and modern systems. We combine practical know-how with clear, straightforward communication, whether it’s a quick repair, system upgrade, or full installation. Flexible payment plans and financing options are also available for larger projects to help make improvements more manageable.
Call (423) 840-7457 or contact us online today to schedule a service or request a free estimate.
What We Do
Our work brings together comfort, safety, and convenience. We handle everything connected to electricity and provide a full range of electrical, HVAC, and home technology services under one roof, so you don’t need to coordinate multiple contractors. Services include system repairs, upgrades, and installations for lighting, wiring, climate control, home theaters, and more.
No matter the property, we approach every project with care, attention to detail, and respect for your space.
Our Electrical & HVAC Services
Upgrades, Installs, Repairs, Back-Ups & More
- Air Conditioning
- Commercial Electrical Services
- Data Cabling & Wi-Fi
- Ductless Mini-Split Systems
- Electric Vehicle Chargers
- Electrical Inspections
- Electrical Panels
- Electrical Property Maintenance
- Emergency HVAC
- Heating
- Home Security Systems
- HVAC Maintenance
- HVAC Repairs
- Lighting Services
- Outdoor A/V Systems
- Sound & Home Automation
- Thermostats
- Voice Structured Cabling
Brands & Associations
Technology That Works for You
Today’s homes and businesses rely on connected technology to make daily routines simpler, safer, and more efficient. Thompson Electrical Service installs and integrates devices and systems designed for your property, helping you manage comfort, security, and energy use with ease.
Our team can set up thermostats, lighting controls, entertainment systems, and security solutions tailored to your layout and needs. We stay current with emerging technology so that upgrades are practical and user-friendly, whether it’s a single-room solution or a complete system for your home or office.
Local Companies We're Proud to Partner With
Why Choose Thompson Electrical Service?
Fully Licensed & Insured For Every Aspect of Electrical Work
-
Financing OptionsOur flexible payment plans and financing options make services simple and affordable.
-
Around-the-Clock HelpEmergencies don't wait for office hours. You shouldn't have to either.
-
Warranty & GuaranteeWe back all of our services with a warranty for your peace of mind.
-
100% Free EstimateTalk to our electrical & HVAC team today to get a free estimate.
Thompson Electrical Service is proud to serve Kingsport, Tennessee and other surrounding areas.
- Bloomingdale
- Blountville
- Bluff City
- Bristol
- Church Hill
- Colonial Heights
- Elizabethton
- Gray Acres
- Johnson City
- Jonesborough
- Kingsport
- Mt Carmel
- Oak Grove
- Pine Crest
- Spurgeon
- Woodstone Estates
Quality, Reliability & Community
At Thompson Electrical Service, we’re more than a service provider; we’re part of the community we serve. Many of our technicians live and work right here in the Tri-Cities area, from Kingsport to Johnson City and Bristol. That local connection keeps us focused on what matters most: reliable service, fair pricing, and respect for your time and property.
Every project, whether installing a new HVAC system, modernizing an electrical panel, or setting up an EV charging station, receives the same level of care.
Call (423) 840-7457 or contact us online today to learn more and schedule a service. We’re available 24/7 for emergency situations.
Hear From Our Happy Customers
We've Helped Homeowners and Businesses With Their Electrical Needs Since 2003
-
“Great work, fast service (a requirement during summer months on HVAC), great company to work with. 5 stars!”Josh
-
“Great work at a reasonable price. I highly recommend and will use them in the future when needed.”William
-
“I've had Thompson Electric take care of several projects at my business, from new HVAC, to the construction of a clean room for my shop.”David
-
“We had an electrical problem that they fixed for us. They were very prompt, knowledgeable, and courteous. Would recommend highly.”Jesse
-
“They were professional and friendly. The work was done very well and we will use them again in the future!”Gary
-
“I'm a contractor who does gas piping and whenever I need electrical services, I always call Thompson Electrical.”Jared
-
“We appreciate their understanding and professionalism when installing our internet jack so I can stay working at home with our little one.”Taylor
-
“They saved us from major headaches and a ton of money. They are very reasonable on their prices, friendly and extremely professional.”Mary
-
“Solved the issue with our HVAC/gas system in about an hour. Their technicians are very knowledgeable and professional.”Martha