Thermostat Upgrades

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Thermostat Upgrades | Heating and Air Conditioning | Knoxville

Upgrade your home's comfort and efficiency with HEP's state-of-the-art thermostat solutions in Knoxville. Our expert team specializes in installing and updating thermostats to give you precise control over your heating and cooling systems. Whether you're interested in a smart thermostat that adapts to your lifestyle or a simple programmable model, we have options to meet every need and budget. Experience seamless integration, reduced energy bills, and enhanced comfort—all with professional, reliable service you can trust. Discover how a thermostat upgrade can transform your home today!

What Our Customers Say

"Replaced existing heat pump with a packaged Carrier. Cools very well and quiet. Price was competitive and included new digital thermostat, clean and sealed connection to house, concrete pad and 2 year free check ups. Install was completed as scheduled within 3 days of accepting their quote. Installers did great job. HEP was very responsive thru whole process. So far, no complaints."

Veronica E.

"Chris K. came over to check our heating and air conditioning for a free initial test, he was great, he changed our filters and ran all the tests smoothly while letting us know throughout the appointment what he was doing and why. Great service!"

Kathryn F.

"My HVAC system went down on a late Saturday night and i called HEP right away. They were calm and friendly on the phone, which allowed for us to get a tech out to my home. Justin came to my house at 7pm and did not leave until the problem was solved in every aspect of my issue at 11:30pm. I currently have a pregnant wife and he understood we needed to get air moving again. We worked late into the night to make sure we could have cool flowing air for the night. Once the job was completed for the day, he came back a second day to install new wiring within the home for the thermostat to the HVAC. He found and fixed previous issues from the prior homeowner and left my home better than how he found it. I am extremely appreciative of Justin and if you call HEP around the Knoxville area, I will request him in a heartbeat if I ever have any more issues and I think you should to. Thank you, Justin for your help and expertise."

Jeremy S.

"Chino and Edwin were friendly, professional and educated us about the process of using our new HVAC and thermostat. Thank you, Gentlemen!"

Andea G.

"The two young men (Travis & Cholo) who put in my new heating/ac unit did a wonderful job. My dogs & I are enjoying the new heati ing system immensely I have set the thermostat at 67 & have left it. No more ru ning back & forth turning the heat up & down. Thank you so much. I could not have asked for more.5 stars!!!!!"

SUNNY S.

"My nest Stat went out and I tried to fix it myself but couldn’t figure it out. Called HEP and they gave me a time frame of 1:00pm-6:00pm same day. They called me back at 5:00pm to let me know it would be around 7:00pm. I was 2 days with no A/C so waiting an extra hour wasn’t really an issue for me. Steve showed up and gave me a solution to my problem within 20 minutes, but he also temporarily fixed my unit Until I could get a new thermostat unit because the stat I had was faulty. He also walked me through some basic maintenance I could perform to help my HVAC run smoothly. Steve was Professional, honest and friendly! Finding that trio is almost impossible this day and age. All in all Steve is the Bob Ross of professionalism and deserves recognition for his craft. Thank you!"

Scott H.

"Travis and Cody arrived on time with my new HVAC and quickly disassembled the old and removed it. They poured the new pad, set the new system, checked the ductwork, installed a new thermostat and were finished in 5 hours! They were great! I highly recommend this company. They show up! And they do what they say they are going to do. THANK YOU HEP!"

K C.

"The guys from HEP did a great job installing my Carrier HVAC unit. They took their time and made sure everything was done right. They asked me several times if I thought everything looked good throughout the install. There will be a inspection technician that will come out to do a follow-up to make sure the job was done properly, check the unit, and make sure the thermostat is working correctly. Everyone that I talked to from HEP was friendly and helpful. I would highly recommend using this company. Thank you for your service! Jody Technician came out the next day and checked the unit and all the work performed. All employees seem to care about the customers."

K9 N.

"Josh Crawford came by today for a spring inspection of our HVAC unit, and to help with some smart thermostat issues. He did a great and thorough job, and was very personable. He suggested we add a surge protector to our unit to protect our compressor, and made an excellent case for that without being pushy or applying undue sales pressure."

Tim M.

"I contracted with HEP to install a new HVAC system. The one they put in is an American Standard, which gets good ratings online. It is gas heat/electric air. Charlie and Avi removed the old unit, installed the new unit. got everything wired up, installed a new thermostat (old one was problematic), and hauled away the old HVAC unit. Very cool, very professional. I now have heat working correctly for the first time since March."

Wesley L.

Elevate Home Comfort with Thermostat Upgrades in Knoxville

A modern thermostat is the command center of any heating and air conditioning system. When Knoxville’s humid summers and chilly winter nights meet outdated controls, energy waste and uneven temperatures follow. HEP’s thermostat upgrade service replaces aging, inaccurate, or inefficient units with smart, precision-engineered models that maximize comfort while trimming utility costs.

Why Upgrade Your Thermostat?

Fine-tuned temperature accuracy within ±1°F
Automated scheduling that aligns HVAC run-times with daily routines
Remote adjustments through smartphone apps and voice assistants
Energy-usage reports that reveal money-saving opportunities
Seamless integration with indoor air quality accessories

Knoxville’s Climate Demands Precision Control

From late-July heatwaves to January cold snaps, Knoxville weather can swing 40 degrees in a week. An upgraded thermostat adapts instantly, ensuring:

Shorter HVAC cycles during mild spring and fall days
Rapid response to sudden humidity spikes
Optimal defrost and heat-pump balance when temperatures dip below freezing

With accurate sensors and advanced algorithms, HEP-installed thermostats maintain steady indoor conditions regardless of outdoor volatility.

HEP’s Thermostat Upgrade Service at a Glance

In-home evaluation of current thermostat location, wiring, and HVAC compatibility
Recommendation of Wi-Fi, learning, or programmable models based on lifestyle and system type
Professional removal of the existing unit and secure installation of the new thermostat
Calibration of temperature differentials, heat pump staging, and auxiliary heat settings
Walk-through of app features, schedules, and energy-tracking dashboards

What Sets HEP’s HVAC Technicians Apart

NATE-certified expertise in both electric and gas systems
Up-to-date training on leading smart-home platforms
Respectful work practices that protect flooring, walls, and trim
Full functional testing before departure to confirm peak performance

Smart Thermostats: Future-Proof Heating and Cooling

Smart thermostats learn patterns, detect occupancy, and even factor in local weather forecasts. HEP pairs each system with models that support:

Zoned ductwork for multilevel homes
Dual-fuel configurations common in Tennessee
IAQ add-ons such as whole-house dehumidifiers and UV lights

Integration with Existing HVAC Systems

24-volt conventional furnaces and air conditioners
Heat pumps with or without auxiliary electric strips
Variable-speed air handlers and two-stage condensers
Radiant or baseboard systems using compatible relay modules

Signs It’s Time to Replace Your Thermostat

Temperature drift greater than 3°F from setpoint
Short-cycling or continuously running blower
Unresponsive buttons or dim backlighting
Inability to maintain programmed schedules
Frequent breaker trips after recent power outages

If any of these issues appear, a thermostat upgrade is often the fastest route to reliable heating and cooling performance.

The Upgrade Process: From Assessment to Calibration

HEP begins with a multimeter check of control wiring and transformers, then verifies system modes (heat, cool, fan, emergency heat). After mounting the new baseplate level on the wall, technicians connect labeled wires, power up the HVAC equipment, and run through:

System mode tests for correct compressor and fan sequencing
Auxiliary heat lockout temperature setup to reduce electric strip usage
Humidity control thresholds for whole-home dehumidifiers
Software updates and Wi-Fi pairing for remote connectivity

Energy Savings and Environmental Impact

According to ENERGY STAR, smart thermostats can cut annual HVAC energy use by up to 8%. For Knoxville homeowners, that translates into:

Lower peak-season electricity demand during summer humidity spikes
Reduced natural gas consumption on cold mornings
Smaller carbon footprint and fewer greenhouse-gas emissions

Maintenance Tips After Installation

Update thermostat firmware whenever notifications appear
Replace or clean system air filters every 30–60 days to maintain airflow
Review monthly energy reports to fine-tune schedules
Keep return vents clear of furniture and drapes
Schedule seasonal HVAC tune-ups to verify sensor accuracy

HEP’s thermostat upgrades give Knoxville residents an immediate path to comfort, efficiency, and technology that keeps pace with ever-changing weather patterns.