- HEP Heat and Air
- Precision A/C Diagnostics

Precision A/C Diagnostics
Precision A/C Diagnostics | Heating and Air Conditioning | Powell
When Powell’s thermometer spikes or dives without warning, you can count on HEP’s precision A/C diagnostics to keep your home perfectly balanced. Our certified technicians arrive with cutting-edge tools and a passion for problem-solving, tracing even the faintest performance hiccup before they swell into costly repairs. From airflow analysis and refrigerant checks to safety inspections and energy-saving recommendations, we shine a light on every hidden culprit that stands between you and year-round comfort.
Because true peace of mind is knowing your system won’t quit when you need it most, we back our findings with clear explanations, upfront pricing, and workmanship you can feel every time the unit kicks on. Whether you’re fighting August humidity or a January chill, HEP turns data into decisive action, optimizing your heating and air conditioning so it runs cleaner, quieter, and more efficiently.
Ready to feel the difference? Give us a call today, and discover why Powell homeowners trust HEP to keep their indoor climate just right—no matter what Tennessee’s weather decides next.
FAQs
What is precision A/C diagnostics and why is it important for my Powell home?
Precision A/C diagnostics is a detailed inspection that uses advanced tools and manufacturer-approved testing procedures to evaluate every critical component of your air-conditioning system—refrigerant charge, airflow, electrical performance, compressor health, sensors, and thermostats. By pinpointing inefficiencies or hidden faults early, it prevents unexpected breakdowns, extends equipment life, lowers energy bills, and ensures your family stays comfortable in Powell’s hot, humid summers.
How often should I schedule an A/C diagnostic or tune-up?
For most homes in Powell, we recommend a precision diagnostic once a year—ideally in early spring before cooling season begins. If your system is over 10 years old, runs continuously, or has a history of issues, twice-yearly checkups (spring for A/C, fall for heating) provide added protection and energy savings.
What signs indicate I may need immediate diagnostic service instead of waiting for my annual appointment?
Call us right away if you notice weak or warm airflow, unusual noises, frequent cycling, rising energy bills, ice on refrigerant lines, water around the indoor unit, or the thermostat failing to reach set temperature. These symptoms often signal problems like low refrigerant, failing capacitors, clogged drains, or airflow restrictions that can cause expensive damage if ignored.
What does a precision diagnostic visit include?
Our certified technicians arrive in fully stocked trucks and perform: 1) digital refrigerant analysis to verify proper charge; 2) static and dynamic airflow measurements; 3) inspection of coils, blower, belts, and filters; 4) electrical testing of capacitors, contactors, motors, and safety controls; 5) thermostat calibration; 6) condensate drain and ductwork checks; and 7) a written report with photos, efficiency metrics, and any repair or optimization recommendations.
How long does the service take and will it disrupt my day?
A standard diagnostic for a single outdoor condenser and indoor air handler takes about 60–90 minutes. Our Powell technicians schedule narrow arrival windows, wear shoe covers, protect flooring, and keep noise to a minimum. You don’t need to be without cooling—most tests run with the system operating, and we’ll let you know if we need to briefly power it down.
What are the costs and do you offer any savings programs?
A standalone precision A/C diagnostic in Powell typically ranges from $89 to $129, depending on system complexity. We also offer a Comfort Club membership for $16.95 per month, which includes two precision diagnostics per year (A/C and heating), priority scheduling, 15% off repairs, and a 5-year parts and labor warranty on any work we perform—delivering significant long-term savings and peace of mind.