- HEP Heat and Air
- Furnace Tune-up

Furnace Tune-up
Furnace Tune-up | Heating and Air Conditioning | Heiskell
When crisp Heiskell evenings roll in, you want the confidence that your system will fire up without a hitch. HEP’s comprehensive furnace tune-up is more than a quick filter check; our certified technicians dig into every component, cleaning, calibrating, and testing so your heating and air conditioning equipment runs smoothly and safely all season long.
Customers love how a single visit can boost energy efficiency, lower monthly bills, and extend the life of their furnace. We arrive on time, share clear findings, and leave your home as tidy as we found it—except now it’s protected against surprise breakdowns. Schedule your tune-up today and feel the HEP difference before the first cold snap hits Heiskell.
FAQs
Why is an annual furnace tune-up important for homes in Heiskell?
Even though Heiskell enjoys relatively mild winters compared with northern states, temperatures can still drop below freezing. An annual tune-up ensures your furnace is clean, calibrated, and operating safely, so it can handle sudden cold snaps without breakdowns. Regular maintenance also preserves your manufacturer’s warranty, improves energy efficiency, and extends the life of the equipment.
What exactly is included in your furnace tune-up service?
During a tune-up we perform a 20-plus-point inspection that covers: cleaning or replacing the air filter; checking thermostat calibration; testing safety controls; inspecting heat exchanger for cracks or corrosion; measuring gas pressure and combustion efficiency; tightening electrical connections; lubricating moving parts; checking blower motor amps; verifying flue draft; inspecting ignition and pilot assembly; and testing carbon-monoxide levels. We finish with a written report and any recommendations.
How long does a standard tune-up visit take, and will it disrupt my day?
Most residential tune-ups take 60–90 minutes. Our technicians arrive within a narrow appointment window, wear protective shoe covers, and work efficiently to minimize disruption. You can stay in the home, work remotely, or run errands—just make sure someone 18 or older is available to let us in and review the post-service checklist.
Can a tune-up really lower my heating bills?
Yes. A furnace that is dirty or out of calibration can lose 10–20 % of its efficiency. By cleaning burners, adjusting gas pressure, and ensuring proper airflow, we restore the unit to peak performance, which translates to lower energy consumption. Customers in the Knoxville-Heiskell area typically see their winter utility bills drop $50–$150 over the season after a thorough tune-up.
When is the best time to schedule a furnace tune-up in Heiskell?
We recommend booking in early fall—September or October—before you need to rely on the furnace every night. Scheduling ahead avoids the winter rush, provides time to address any emerging issues, and locks in preseason discounts. If you missed fall service, it’s still beneficial to have a tune-up done any time during the heating season.
Do you service all furnace brands and types, including heat pumps and gas units?
Absolutely. Our NATE-certified technicians are trained on all major brands—Trane, Carrier, Lennox, Goodman, Rheem, York, and more. We maintain gas furnaces, electric air handlers, dual-fuel systems, and hybrid heat pump setups common in Heiskell. Stocked service vans allow us to replace most critical parts on the first visit, regardless of brand.