- HEP HVAC
- Air Conditioning

Air Conditioning
Air Conditioning | Heating and Air Conditioning
When the Tennessee heat is cranked all the way up, HEP’s certified cooling experts make sure your home feels like a breath of mountain air. From helping you choose the right high-efficiency system to precision installation and honest repairs, we treat every customer like a neighbor—because you are. Our technicians arrive on time, respect your home, and explain every option in clear, no-pressure language, so you can make confident decisions about your comfort.
We back that neighborly care with industry-leading training and technology. Whether your A/C just needs a quick tune-up or you’re ready for a full system upgrade, HEP delivers solutions designed to lower energy bills, improve indoor air quality, and keep breakdowns at bay for good. Count on us for 24/7 emergency service, flexible financing, and maintenance plans that extend equipment life while protecting your wallet.
What makes staying cool with HEP so easy?
- NATE-certified technicians & fully stocked service vans for one-trip fixes
- Straightforward, upfront pricing—no surprises when the invoice arrives
- Energy-saving assessments that can cut cooling costs by up to 30%
- 100% satisfaction guarantee backed by decades of local, family-owned pride
What our customers say
Comprehensive Maintenance Plans Tailored to Tennessee Homes
Seasonal tune-ups extend equipment life, conserve energy, and uphold indoor comfort even when the thermometer swings from muggy 95 °F afternoons to frosty January dawns. HEP designs maintenance programs that reflect local weather patterns, building materials, and occupant lifestyles, ensuring that every component performs at peak efficiency throughout the year.
What a Standard Tune-Up Includes
- Inspection of condenser fan motor amperage to verify balanced electrical loads
- Tightening of electrical connections with torque-rated tools to prevent arcing
- Calibration of thermostat differentials for accurate cycle durations
- Verification of refrigerant charge using superheat and subcooling calculations specific to Tennessee’s average summertime humidity
- Cleaning of evaporator and condenser coils with biodegradable solutions that remove pollen, dust, and iron-rich well-water deposits
- Lubrication of blower motor bearings where applicable to reduce friction and heat buildup
- Drain pan treatment with algaecide tablets that forestall condensate line blockages
Enhanced Monitoring with Connected Sensors
For homeowners who crave a deeper understanding of HVAC performance, HEP integrates Bluetooth or Wi-Fi sensors capable of:
- Logging temperature and relative humidity every five minutes
- Alerting occupants to deviations that signal a refrigerant leak or airflow restriction
- Providing technicians with trend data that speeds up diagnostics during service visits
These insights make it easier to predict component fatigue, schedule part replacements, and prevent small inefficiencies from ballooning into costly breakdowns.
Indoor Air Quality Solutions Beyond Basic Filtration
Tennessee’s pollen counts rank among the highest in the nation during spring, while humid summers invite mold spores and dust mites. Tackling these issues requires a layered strategy that HEP engineers into every installation.
Filtration Levels for Varied Sensitivities
- MERV 8 pleated filters capture larger particulates such as pet dander and basic household dust
- MERV 11 upgrades excel at trapping finer pollen grains and mold spores
- MERV 13 media approaches hospital-grade purification, intercepting smoke particles and bacteria without overburdening residential blowers
HEP conducts static pressure testing after each filter upgrade to confirm blower compatibility and maintain proper airflow.
UV-C Germicidal Irradiation
Mounted near the evaporator coil, UV-C lamps disrupt microbial DNA, curbing mold colonies that thrive in dark, moist environments. Benefits include:
- Reduced musty odors emanating from supply registers
- Improved heat transfer efficiency as organic films are eliminated
- Lower risk of allergenic spore recirculation throughout living spaces
Whole-Home Dehumidification
Standalone dehumidifiers integrate with existing ductwork to extract excess moisture when ambient humidity climbs above 55 %. Key outcomes:
- Enhanced comfort at higher thermostat set points, enabling energy savings
- Inhibition of dust mite proliferation, a common trigger for allergies and asthma
- Protection of hardwood floors, musical instruments, and archival documents from warping or mold damage
Thoughtful Humidification for Mild Winters
Although Tennessee winters are short, indoor air can still dip below 30 % relative humidity when heaters run. By installing steam or evaporative humidifiers, HEP helps maintain a comfortable 40-45 % level that:
- Minimizes static electricity discharge
- Preserves wooden furniture joints
- Soothes nasal passages, decreasing susceptibility to colds
Common Air Conditioning Issues in Humid Subtropical Conditions
HEP technicians diagnose a wide spectrum of problems particular to the region’s blend of heat and moisture.
- Short-cycling caused by oversized systems unable to dehumidify properly
- Frozen evaporator coils resulting from restricted airflow or low refrigerant, often exacerbated by clogged filters and high pollen counts
- Biological growth in condensate pans, creating blockages that trigger spillover alarms
- Corroded condenser fins near salt-rich river valleys, where minerals accelerate oxidation
- Circuit board failures due to voltage spikes during frequent summer thunderstorms
Through targeted repairs and preventive guidance, these headaches transform into opportunities for improved performance and peace of mind.
Proper Load Calculations and Equipment Sizing
An air conditioner sized by rule of thumb risks mismatching capacity to actual cooling demand. HEP relies on detailed Manual J calculations to determine:
- Heat gain through windows, walls, and roof assemblies using R-value data for regional construction practices
- Internal loads from appliances, lighting, and occupant density
- Infiltration rates measured via blower door tests that reveal hidden leaks
Consequences of Oversizing
- Inadequate runtime to remove humidity, leaving interiors damp and clammy
- Increased start-stop cycles that accelerate compressor wear
- Elevated energy costs as peak amperage surges during frequent startups
Consequences of Undersizing
- Continuous operation that fails to reach target temperature on 95 °F afternoons
- Reduced lifespan due to sustained high RPMs and thermal stress
- Poor distribution of conditioned air to distant rooms
By matching equipment precisely to calculated loads, HEP upholds comfort, durability, and operational economy.
Integration of Smart Home Technology
Modern thermostats, sensors, and cloud platforms add sophistication to HVAC control, and HEP ensures seamless compatibility with the systems it installs.
Adaptive Scheduling
Geofencing and machine-learning algorithms adjust set points based on occupant proximity, correcting for unpredictable commutes and weekend routines without manual intervention.
Voice and App Control
Popular voice assistants link directly to thermostats, enabling hands-free temperature adjustments while cooking, exercising, or settling in for movie night.
Performance Analytics
Users receive monthly efficiency reports that highlight runtime, temperature stability, and suggestions for further energy reduction—data generated from anonymized equipment logs.
Energy Rebates and Incentive Programs in Tennessee
Local power utilities and state agencies frequently offer:
- Cash incentives for units surpassing minimum SEER2 efficiency thresholds
- Rebates on programmable thermostats that facilitate demand-response events
- Low-interest financing for heat pump upgrades in households transitioning from resistance electric heat
HEP maintains up-to-date knowledge of these offerings, streamlining paperwork and ensuring installations comply with program stipulations such as AHRI-certified matchups and commissioning verifications.
Preparing HVAC Systems for Severe Weather Events
Thunderstorms, ice storms, and occasional tornadoes pose unique threats to outdoor and indoor HVAC components. HEP implements protective measures to safeguard investments.
Surge and Lightning Protection
- Installation of dedicated surge protectors on compressor and air handler circuits
- Grounding checks to confirm low-impedance paths for electrical transients
Flood Mitigation
- Elevated condenser pads constructed from reinforced polymer blocks for areas prone to flash flooding
- Strategic placement of disconnect boxes above historical flood levels
Wind Damage Prevention
- Anchor brackets rated for uplift forces specified in local building codes
- Shielding of refrigerant line sets within rigid conduit to prevent impact from debris
Post-Event Inspections
Soil movement, water intrusion, and flying debris can introduce hidden faults. HEP’s checklist includes:
- Megohmmeter testing of compressor windings for moisture infiltration
- Refrigerant pressure verification to detect micro-fractures in line sets
- Filter replacement to remove soot or particulate contamination after wildfire smoke incursions
Environmental Responsibility and Refrigerant Management
Industry regulations continue to phase out high-GWP refrigerants, demanding meticulous handling, recovery, and recycling practices. HEP’s technicians carry EPA Section 608 certification and follow best practices that include:
- Closed-loop recovery units that prevent atmospheric venting
- On-site tank labeling to distinguish reclaimed R-410A from virgin stock
- Documentation trails that satisfy audit requirements for refrigerant disposition
Advanced leak detectors leveraging infrared absorption ensure pinpoint accuracy during diagnostics, reducing the environmental impact and maintaining system efficiency.
Technician Training, Certification, and Safety Protocols
Quality workmanship hinges on continuous education and strict adherence to safety guidelines.
Skill Development
- Manufacturer-sponsored courses on inverter technology and electronic expansion valves
- Soft-skill workshops that emphasize respectful communication and cleanliness within occupied homes
- Monthly lab sessions where teams practice brazing with low-temperature alloys suitable for new refrigerants
Safety Standards
- Personal protective equipment (PPE) inspections ensuring gloves, goggles, and arc-flash gear remain uncompromised
- Lockout-tagout procedures verified before panel removal or component replacement
- Ladder handling certification to minimize fall hazards during attic or roof access
Through structured training and rigorous oversight, HEP cultivates technicians who combine technical mastery with disciplined professionalism.
Microclimate Customization Across Tennessee’s Diverse Terrain
The Volunteer State encompasses mountain ridges, fertile valleys, and dense urban cores, each influencing HVAC design considerations.
Highland and Plateau Regions
Cooler nighttime temperatures encourage heat pump usage with dual-fuel strategies. HEP programs balance points that switch to gas auxiliary heat only when outdoor sensors fall below optimized thresholds, maximizing efficiency without sacrificing comfort.
River Valley Settings
High humidity drives latent load concerns. Systems incorporate larger evaporator coils and lower airflow strategies—measured in cubic feet per minute per ton—to boost moisture removal.
Urban Heat Islands
Downtown asphalt and concrete trap solar radiation, elevating ambient temps. Reflective condenser coatings and wider fin spacing dissipate heat more effectively amid stagnant air, while variable-capacity equipment adjusts capacity to fluctuating demand within multi-story dwellings.
Advanced Airflow Management Techniques
Beyond traditional dampers, HEP implements cutting-edge methods to fine-tune distribution.
Electronically Commutated Motor (ECM) Blowers
ECM blowers allow static-pressure-based modulation, maintaining consistent airflow despite filter loading or damper position changes.
Airflow Sensors
Inline hot-wire anemometers feed data to control boards, enabling self-balancing that responds in real time to door closures, appliance exhaust fan operation, or weather fluctuations.
Return Plenum Design Improvements
- Raised platform returns in crawl-space homes keep duct intakes above potential moisture accumulation
- Semi-permeable sound attenuation liners that reduce blower noise while preserving airflow area
Renewable Energy Integration
While solar panels and geothermal loops may not be mainstream for every property, HEP designs HVAC systems compatible with emerging renewable sources.
- Heat pump water heaters that leverage ambient garage or attic heat
- Solar-ready disconnects on condensers to simplify future photovoltaic tie-ins
- Variable-frequency drive (VFD) controls that harmonize with battery-based power management systems by soft-starting compressors
Constant Evolution Through Field Data Analytics
Connected equipment transmits anonymized performance data to cloud platforms where machine learning identifies:
- Early-warning indicators of compressor valve wear based on power factor patterns
- Fan motor inefficiencies evident in rising amperage curves over successive cycles
- Correlations between outdoor humidity levels and indoor comfort complaints, prompting recommendations for system tweaks
HEP translates these insights into actionable improvements, refining service protocols and installation standards to align with real-world operating conditions across Tennessee.
Ductwork Sealing and Insulation Strategies
Leaky or poorly insulated ducts can waste up to 30 % of conditioned air before it reaches supply registers, undermining system efficiency and comfort. HEP addresses this hidden energy drain with proven sealing techniques and insulation upgrades.
Aeroseal and Mastic Applications
- Aeroseal technology distributes a water-based polymer mist throughout the duct interior, automatically sealing gaps as large as 5⁄8 inch without invasive drywall removal
- Hand-applied mastic compounds reinforce joints, take-offs, and boot connections in crawl spaces, preventing rodent damage and vibration loosening
- Smoke pencil verification confirms that previously leaky seams now exhibit negligible airflow loss, enhancing overall system static pressure balance
Insulation Materials Suited to Tennessee Climates
- R-8 foil-faced fiberglass wrap combats attic temperatures that can exceed 140 °F, keeping supply air within 2 °F of plenum readings
- Closed-cell foam board around metal trunk lines in damp crawl spaces resists water absorption, deterring mold growth and fiber deterioration
- Reflective bubble insulation on return plenums minimizes radiant heat gain from roof decking, an overlooked source of thermal load during long summer afternoons
Benefits of comprehensive duct improvements include more even room-to-room temperatures, quieter operation as pressure drop decreases, and measurable reductions in monthly energy consumption.
Noise Reduction and Vibration Control
Mechanical noise can detract from the tranquility of living spaces. HEP engineers solutions that muffle disruptive sounds without compromising airflow.
Strategic Mitigation Techniques
- Rubber-in-shear mounts beneath condensers absorb low-frequency vibrations transmitted to decking or concrete pads
- Flexible canvas connectors installed between metal plenums and air handlers break the vibration path, trimming blower noise that often telegraphs through rigid ductwork
- Acoustic liner panels inside return drops lower decibel readings by up to 6 dB, bringing conversation-level noise closer to library standards
Through thoughtful combinations of isolation hardware and acoustic materials, Tennessee homeowners enjoy conditioned air and peaceful environments simultaneously.