- HEP Heat and Air
- Certified HVAC Pros

Certified HVAC Pros
Certified HVAC Pros | Thermostat Upgrades | Heating and Air Conditioning | Kingsport
When the seasons in Kingsport swing from frosty mornings to humid afternoons, your comfort depends on a thermostat that can keep up. HEP’s certified HVAC pros combine decades of heating and air conditioning expertise with the latest smart-home technology, offering seamless thermostat upgrades that learn your schedule, trim energy costs, and place total climate control in the palm of your hand.
From quick installations to personalized programming tutorials, our local team treats every home as if it were our own. We arrive on time, protect your flooring, test every connection, and back the work with a satisfaction guarantee—so all you feel is perfect, even temperatures. Discover how effortless comfort can be with HEP’s thermostat upgrades today, and experience why Kingsport homeowners trust us to keep their indoor climate just right all year long.
FAQs
Why should I consider upgrading my thermostat with Certified HVAC Pros in Kingsport?
Older mechanical or non-programmable thermostats can be inaccurate, lack scheduling features, and make it harder to control energy use. A modern programmable or smart thermostat offers precise temperature control, remote access via smartphone, automatic scheduling, and useful energy-use reports. Residents in Kingsport often see 10–20 % reductions in heating and cooling costs after an upgrade, along with improved comfort and better system health.
What kinds of thermostats do you install and which one is right for my home?
We carry and install a full range of ENERGY STAR®-certified programmable and smart thermostats from brands such as Honeywell, ecobee, Google Nest, and Emerson. The best choice depends on your HVAC equipment, Wi-Fi availability, the need for multi-zone control, and whether you want features like geofencing, voice-assistant integration, or advanced humidity management. During a free in-home consultation, our technician will evaluate your existing system, discuss your goals, and recommend models that match your budget and lifestyle.
Will a smart thermostat really lower my energy bills in Kingsport’s climate?
Yes. Kingsport experiences wide seasonal swings—from humid summers to chilly winters—so your HVAC system runs much of the year. Smart thermostats automatically adapt schedules around your occupancy patterns, remind you to change filters, and adjust setpoints when no one is home. Independent studies from TVA and DOE show annual savings of $131 on average for Tri-Cities homeowners, translating to a payback period of 1–2 years for most models we install.
Can a new thermostat work with my existing heat pump, gas furnace, or dual-fuel system?
Almost always. Our certified technicians are trained on single-stage, multi-stage, variable-speed, and dual-fuel configurations. We check control board compatibility, verify the correct number of control wires (C-wire requirements), and, if needed, install an add-a-wire module or isolation relay. We also program advanced settings—such as heat pump balance points—so the thermostat communicates perfectly with your current equipment and any future upgrades.
How long does installation take and what will it cost?
A straightforward replacement in a standard single-family home takes about 60–90 minutes, including set-up of the app, Wi-Fi pairing, and a quick tutorial. If extra wiring or a C-wire kit is needed, plan for an additional 30–45 minutes. Pricing starts at $249 for supply and professional installation of a programmable thermostat and $349–$499 for premium smart models. We’ll give you a flat, written quote before any work begins—no surprises.
What kind of warranty and customer support do you provide after installation?
Every thermostat we install comes with the manufacturer’s full parts warranty—typically 3–5 years. Certified HVAC Pros adds a one-year labor warranty covering installation workmanship. If you experience connectivity issues, incorrect temperature readings, or software glitches, our local Kingsport support team is available 24/7. We can troubleshoot remotely or dispatch a technician at no additional charge during the warranty period.