HVAC Unit Replacement

HEP HVACHVAC Unit Replacement

HVAC Unit Replacement | Heating and Air Conditioning | Fountain City

When sultry Tennessee summers or surprise cold snaps hit Fountain City, the last thing you need is an aging system wheezing in protest. HEP’s HVAC unit replacement team pairs small-town friendliness with big-league expertise, making it painless to swap that inefficient, noisy unit for a whisper-quiet, high-efficiency powerhouse. Our NATE-certified pros arrive on time, respect your home, and size your new system precisely—so you enjoy even temperatures, cleaner air, and lower utility bills from day one.

From the first free estimate to the final walkthrough, we handle everything in-house: load calculations, permitting, removal of the old equipment, and meticulous installation of trusted brands backed by industry-leading warranties. Add flexible financing, same-day emergency service, and our 100% satisfaction guarantee, and it’s easy to see why your neighbors call HEP the go-to comfort crew in Fountain City. Ready to breathe easier? Give us a ring or book online, and we’ll have your home feeling just right—season after season.

What our customers say

Just had HEP is on the way stop by to check our AC that went out yesterday. The tech Jacob Newman was so patient with us trying to locate where things were so he can get us some nice cold air back cuz it’s hot. Overall super happy and literally will be calling EVERYTIME!!
Keshi N. profile photo
Keshi N.
Nate is great! He’s been out to fix our hvac twice and is very knowledgeable. Highly recommend. Thanks Nate!
Erika S. profile photo
Erika S.
Very professional, honest and knowledgeable . Will be calling HEP for all my a/c needs. Will definitely request Justin Weld for all my needs.
Wayne H. profile photo
Wayne H.
Our service technicians were just absolutley great. They were on time, very knowledgeable about what they were doing, worked hard the whole time and I slept soundly last night with central air for the first time in 30 days and it was wonderful. THANKS to Josh and Isiah who did a great job with our installation. We will use HEP again if we need to.
Nancy P. profile photo
Nancy P.
Jacob Newman came out within hours of my calling him.he was super nice, quick, honest and polite! I d let get the best news on my 'vintige' unit ..but he shot it 2 me strait and have ne several options and no pressure Thanks jacob
Bridget T. profile photo
Bridget T.
Jacob Newman did a great job checking out our heat and was patient when trying to diagnose the problem. Will be using HEP again!
Amanda G. profile photo
Amanda G.
Jacob Newman came out to do the final inspection on the HVAC install. He was very thorough and answered all of my questions. Thanks Jacob!!
Joe G. profile photo
Joe G.
Rob C. And Cole are awesome and got my HVAC up and running in no time! Thanks guys
Sarah M. profile photo
Sarah M.
Jacob with the HEP company was very professional and arrived right on time. He thoroughly explained the quote on installing a new heating/ac unit. Highly recommend!!
Ken F. profile photo
Ken F.
Jacob was amazing! Got us the quotes we needed to get our unit fixed!
Tessa J. profile photo
Tessa J.

Expert HVAC Unit Replacement in Fountain City by HEP Company

Fountain City homeowners and business proprietors understand the importance of a dependable heating and cooling system. Seasonal humidity, fluctuating temperatures, and occasional cold snaps require equipment that keeps indoor environments comfortable day and night. When an aging system fails to deliver efficiency or reliability, HEP company offers a comprehensive HVAC unit replacement service designed specifically for the climate conditions and building styles found in Fountain City. This article explores every facet of the replacement process—from recognizing the warning signs of a failing system to understanding the technical steps HEP technicians take to size, select, and install a new, high-efficiency unit.

Overview of HVAC Unit Replacement

Replacing an HVAC system is a significant investment in property value, energy savings, and daily comfort. The process involves more than simply swapping equipment; it requires an integrated approach that aligns system capacity with home or commercial load, duct configuration, air flow requirements, and local code compliance. HEP company structures its replacement service around three pillars:

  • Detailed system assessment
  • Customized equipment recommendations
  • Precision installation and post-install optimization

Each pillar contributes to a seamless transition from an inefficient or malfunctioning unit to a high-performance system prepared to handle Fountain City’s unique heating and cooling demands.

Determining When Replacement Is the Right Option

Identifying System Age and Wear

HVAC units often start to show diminishing returns after 10–15 years. Components experience wear from constant cycling, and refrigerant phases out or leaks over time. HEP technicians evaluate age alongside performance metrics to determine if repair or replacement delivers better long-term value.

Escalating Energy Bills

Unexplained increases in utility charges frequently indicate that a system is consuming more power to deliver the same comfort level. An efficiency loss of 20–40 % can occur as compressors weaken, coils corrode, and blower motors deteriorate. Replacement with Energy Star–rated equipment realigns monthly expenses with expected usage.

Comfort Imbalances

Unequal room temperatures, higher humidity, or slow response times suggest the system no longer matches the building load. These comfort inconsistencies can also stem from duct leaks, inadequate insulation, or undersized returns. HEP’s replacement procedure addresses airflow correction simultaneously with new equipment selection.

Frequent Repairs

Multiple service calls within a single season signal systemic problems. Replacing worn capacitors, contactors, and motors offers only short-term relief when the primary unit is approaching end-of-life. A strategic replacement eliminates the recurring cost cycle and lost productivity associated with downtime.

Refrigerant Phaseout Compliance

Legacy refrigerants such as R-22 are increasingly scarce. Replacement parts and recharge services become cost-prohibitive once production bans take effect. Upgrading to units using R-410A or newer low-GWP refrigerants ensures current environmental compliance and access to future technical support.

HEP’s HVAC Replacement Process

Comprehensive Load Calculation

Before recommending equipment, HEP’s engineers conduct a Manual J load calculation. The process examines insulation values, window orientation, occupant count, infiltration rates, and internal heat gains to determine precise BTU requirements.

System Design and Equipment Selection

Once the load is established, HEP considers:

  • Furnace AFUE ratings for heating-dominant spaces
  • SEER2 and EER ratings for cooling efficiency
  • Heat pump balance points to leverage mild Fountain City winters
  • Variable-speed and two-stage compressor technologies for partial load operation
  • Modulating gas valves to fine-tune heat output
  • Indoor air quality component integration, such as high-MERV filters or UV lights

Ductwork Evaluation and Modification

Replacing a unit without verifying duct integrity limits efficiency gains. HEP’s team inspects for:

  • Kinks or crushed flexible runs
  • Disconnected or poorly sealed joints
  • Undersized return plenums
  • Static pressure imbalances

Necessary modifications, including resealing or resizing, are scheduled concurrently with unit installation to maintain optimal airflow.

Removal of the Existing Unit

Safety, cleanliness, and waste management guide the removal phase:

  • Refrigerant is recovered in compliance with EPA regulations
  • Electrical lines are de-energized and tagged
  • Gas lines are capped and pressure-tested
  • Old components are separated for metal recycling and proper disposal

Installation of the New System

HEP’s NATE-certified installers follow manufacturer specifications and local codes to guarantee factory warranty protection. Critical steps include:

  • Setting the outdoor condenser on a level composite pad
  • Installing vibration isolation to minimize operating noise
  • Aligning refrigerant line sets with UV- and weather-resistant insulation
  • Adding a properly-sized filter drier to protect the compressor
  • Establishing correct superheat and subcool levels during system charge
  • Programming thermostat schedules to synchronize with variable-capacity equipment

Post-Installation Commissioning

Commissioning confirms the new system operates at peak efficiency:

  • Temperature split measurements across the evaporator coil
  • Static pressure readings at supply and return trunks
  • Combustion analysis for furnace units
  • Verification of defrost cycles on heat pumps
  • Airflow balancing in multi-zone configurations
  • Final walkthrough with the customer to review maintenance guidelines

Advantages of Upgrading With HEP Company

Enhanced Energy Efficiency

Modern HVAC units incorporate advanced compressor technology, ECM blower motors, and smart thermostats that yield substantial energy savings. Because Fountain City’s climate averages 1,750 cooling degree days and 3,000 heating degree days annually, an efficient system can translate into hundreds of dollars conserved each year.

Improved Indoor Air Quality

Integrated filtration and humidity control contribute to healthier living spaces:

  • High-efficiency media filters capture pollen, dust, and pet dander
  • Variable-speed blowers maintain consistent air circulation and reduce stagnation
  • Whole-home dehumidification prevents mold proliferation in humid summers
  • Optional UV germicidal lights neutralize airborne pathogens

Whisper-Quiet Operation

Inverter-driven compressors operate at lower speeds most of the time, cutting noise levels dramatically. Fountain City neighborhoods benefit from reduced outdoor unit sound pressure, enhancing backyard serenity and minimizing disturbance during nighttime cycles.

Smart System Connectivity

Wi-Fi-enabled thermostats provide mobile monitoring, usage reports, and adaptive scheduling. HEP assists homeowners in configuring geofencing, vacation modes, and demand response participation to maximize rebates and convenience.

HVAC Options Tailored to Fountain City

High-Efficiency Air Conditioners

Units rated 16–20 SEER2 deliver rapid cooling and dehumidification. Pairing with a variable-speed blower or communicating indoor coil further enhances part-load efficiency. Factory-installed sound blankets and swept-wing fan blades contribute to acoustic performance.

Heat Pump Systems

Given Fountain City’s moderate winters, heat pumps offer dual heating and cooling in one package. Advances in low-ambient temperature operation allow modern heat pumps to maintain capacity even when outdoor temperatures drop into the mid-20s. Backup electric resistance or gas auxiliary heat stages engage automatically during rare extreme cold.

Dual Fuel Configurations

For properties with existing natural gas hookups, a dual fuel system merges heat pump efficiency with the rapid heat rise of a high-efficiency gas furnace. Intelligent controls switch between energy sources based on outdoor temperature thresholds to optimize energy costs.

Mini-Split Ductless Solutions

Additions, sunrooms, or older homes without existing ductwork can benefit from ductless systems. Wall-mounted or ceiling cassette air handlers provide individualized zoning. HEP incorporates multi-zone condensers to support up to eight indoor units per outdoor compressor, enabling customized comfort and energy allocation.

Compatibility With Fountain City Housing Styles

Ranch and Split-Level Homes

Many Fountain City residences feature ranch-style or split-level layouts. These designs require careful duct routing to achieve balanced airflow between upper and lower levels. HEP’s system designers may recommend dedicated return pathways in lower levels or zoning dampers to offset thermal stratification.

Historic Homes

Older properties often contain minimal insulation and narrow wall cavities. Modulating furnaces that adjust flame intensity prevent short cycling in smaller heat loads, while high-velocity duct systems supply conditioned air without extensive renovations.

New Construction and Remodels

For new builds, HEP collaborates with architects to integrate mechanical chases and optimal air handler locations early in the design phase. During remodeling projects, equipment relocation and right-sizing occur simultaneously with structural updates to maintain building envelope integrity.

Sustainability and Eco-Friendly Practices

Refrigerant Management

Recovering, recycling, and reclaiming refrigerant reduces environmental impact. HEP uses EPA-certified recovery machines and documents the process for regulatory compliance.

Efficient Disposal and Recycling

Upon removal, old units are dismantled so metals, plastics, and electronic components can enter appropriate recycling streams. Cardboard packaging from new equipment is compacted and recycled as well.

Energy-Auditing and Verification

After installation, optional blower-door tests and infrared thermography verify building envelope performance. Combined with upgraded equipment, these audits illustrate total energy footprint reduction.

Performance Metrics That Matter

Seasonal Energy Efficiency Ratio 2 (SEER2)

A higher SEER2 equates to greater cooling efficiency under standardized laboratory conditions. Fountain City’s humid summers make SEER2 an essential comparative metric for equipment selection.

Annual Fuel Utilization Efficiency (AFUE)

AFUE measures how effectively a furnace converts fuel into heat. A modern condensing furnace with 96–98 % AFUE retains nearly all combustion heat within the home.

Heating Seasonal Performance Factor 2 (HSPF2)

For heat pumps, HSPF2 quantifies heating efficiency across an average season. Units with HSPF2 ratings above 8.5 deliver significant savings during mild winter days common in Fountain City.

Coefficient of Performance (COP)

COP expresses heat output divided by power input for heat pumps. Variable-speed compressors can achieve COP values above 4 in moderate outdoor temperatures, translating to four units of heat for every unit of electricity consumed.

Maintenance Guidelines After Replacement

Filter Changes

Upgraded systems often utilize deeper pleated filters. HEP recommends replacing standard 1-inch filters every 30–60 days and 4- or 5-inch media filters every 6–12 months, depending on household occupancy and pets.

Coil and Condenser Cleaning

Annual cleaning of outdoor coils and indoor evaporator panels ensures unobstructed heat transfer. Removing debris such as pollen, grass clippings, and dust maintains optimal refrigerant pressures.

Thermostat Calibration

Smart thermostats occasionally require firmware updates. Verifying temperature accuracy with a calibrated probe avoids drift and maintains consistent comfort.

Condensate Management

Inspecting and clearing condensate lines prevents drainage clogs and water damage. HEP may install float switches and condensate pumps for basements or attic installations to safeguard against overflow.

Common Challenges Addressed During Replacement

Limited Mechanical Space

Tight utility closets or crawlspace installations complicate equipment removal and placement. HEP’s technicians dismantle large components for extraction when necessary and utilize compact footprint models with side-discharge capabilities to fit restrictive zones.

Noise Sensitivity

Neighbors or HOA regulations may impose sound limits. Inverter compressors reduce decibel levels, while strategically placed outdoor units shield sound with fencing or vegetation. HEP assesses property layout to minimize acoustic impact.

High Humidity Control

Fountain City periods of elevated humidity can strain latent cooling capacity. Upgraded systems with enhanced moisture removal algorithms operate at lower coil temperatures, extracting additional moisture without excessive energy use.

Power Supply Constraints

Older panels may lack the amperage to support modern equipment. HEP coordinates with licensed electricians to upgrade breakers or run dedicated circuits, ensuring safe operation.

Ductwork Enhancement Techniques

Aeroseal Air Sealing

Internal duct sealing with aerosolized polymer particles reduces leakage rates by as much as 90 %, improving airflow and energy performance without invasive duct replacement.

Insulation Upgrades

Wrapping ductwork in R-8 insulation maintains delivered air temperature and prevents condensation in unconditioned spaces such as attics or crawlspaces.

Zoning and Dampers

Motorized dampers divide duct runs into separate zones controlled by individual thermostats. This configuration tailors comfort to occupancy patterns and sun exposure, reducing energy consumption.

The Role of Indoor Air Quality Add-Ons

Whole-Home Air Purifiers

HEP can integrate high-output ionization or electrostatic purification systems that capture ultrafine particles and neutralize odors. These systems operate in tandem with the central blower for continuous filtration.

Energy Recovery Ventilators (ERVs)

An ERV exchanges stale indoor air with fresh outdoor air while transferring sensible and latent heat, preserving energy efficiency. Fountain City homes with tight envelopes benefit from controlled ventilation without excessive load on the HVAC system.

Humidifiers and Dehumidifiers

Balanced indoor humidity levels between 40 % and 60 % enhance comfort and protect wooden furnishings. Stand-alone humidifiers add moisture during dry winter heating, while whole-house dehumidifiers supplement air conditioning during muggy afternoons.

Commissioning Reports and System Documentation

At the conclusion of each replacement, HEP provides the property owner with a digital packet containing:

  • Model and serial numbers of installed equipment
  • Refrigerant charge data and airflow readings
  • Static pressure diagrams of the duct system
  • Manufacturer warranty registration confirmations
  • Maintenance schedule recommendations
  • Energy efficiency projections based on utility rates

This documentation serves as a baseline for future service and a valuable reference for real estate transactions or insurance purposes.

Leveraging Rebates and Incentives

Energy efficiency programs at federal, state, and municipal levels frequently offer incentives for qualifying HVAC replacements. HEP maintains up-to-date knowledge of:

  • High-efficiency heat pump tax credits
  • Utility company rebate programs for high-SEER2 air conditioners
  • Low-interest financing for energy upgrades
  • Smart thermostat incentive agreements

By incorporating rebate eligibility into the equipment selection process, HEP maximizes return on investment for Fountain City clients.

Additional Comfort-Boosting Technologies

Variable Refrigerant Flow (VRF) Systems

VRF delivers precise temperature control to multiple indoor zones via a single outdoor condenser. Electronically controlled expansion valves regulate refrigerant flow, matching zone demand in real time. VRF is ideal for light commercial properties or large residences with disparate occupancy patterns.

Radiant Floor Integration

Hydronic radiant floor systems couple with high-efficiency boilers for silent, uniform heating. HEP engineers design loop spacing and flow rates to ensure even slab temperatures and compatibility with modern condensing boilers.

Geothermal Heat Pump Compatibility

Fountain City soil conditions support vertical or horizontal loop field configurations. Geothermal systems offer exceptional efficiency by leveraging stable ground temperatures. HEP coordinates loop excavation and interior equipment placement for turnkey geothermal solutions.

Future-Proofing the Investment

Innovations in refrigerant chemistry, compressor design, and control algorithms continue to evolve. HEP prioritizes equipment platforms that support firmware updates and modular component replacement, allowing homeowners to integrate emerging technologies such as grid-interactive controls and advanced fault diagnostics without wholesale system overhaul.

Smart Grid Integration

Upcoming demand response programs may enable HVAC systems to adjust loads automatically during peak electricity demand events. HEP ensures installed thermostats and inverters comply with open standards for easy enrollment.

Predictive Maintenance Analytics

Cloud-connected sensors monitor vibration, amperage, and refrigerant pressures. Predictive algorithms detect anomalies early, prompting scheduled maintenance before component failure. HEP configures these analytics dashboards to alert both homeowner and technician teams.

Core Values Guiding HEP’s Replacement Service

  • Precision: Accurate load calculations and meticulous installation standards eliminate oversizing, undersizing, and air leakage.
  • Transparency: Detailed reports and educational walkthroughs empower property owners to operate and maintain their systems with confidence.
  • Sustainability: Environmentally conscious disposal, refrigerant management, and efficiency optimization reduce carbon footprints.
  • Craftsmanship: Continuous technician training and adherence to evolving codes maintain a high caliber of work across every project stage.

Areas We Serve

AlcoaAllardtAltamontAndersonvilleApisonAthensBean StationBeersheba SpringsBelvidereBentonBirchwoodBlaineBlountvilleBluff CityBricevilleBristolCalhounCaryvilleCharlestonChattanoogaChurch HillClairfieldClevelandClintonCoalmontCollegedaleCookevilleCopperhillCorrytonCosbyCowanCrab OrchardCrossvilleCumberland GapDandridgeDaytonDecaturDecherdDeer LodgeDelanoDucktownDuffDunlapElizabethtonEloraEnglewoodErwinEstill SpringsEtowahEvensvilleFarragutFayettevilleFlintvilleFountain CityFriendsvilleGatlinburgGeorgetownGrandviewGraysvilleGreenbackGreenevilleGruetli-LaagerGuildHallsHarrimanHarrisonHarrogateHeiskellHelenwoodHillsboroHixsonHuntlandHuntsvilleJacksboroJamestownJasperJefferson CityJellicoJohnson CityJonesboroughKarnsKelsoKingsportKingstonKnoxvilleKodakLa FolletteLake CityLancingLenoir CityLookout MountainLoudonLouisvilleLuttrellLynchburgMadisonvilleManchesterMaryvilleMascotMaynardvilleMcDonaldMcMinnvilleMonteagleMontereyMorristownMountain CityMulberryNew MarketNew TazewellNewcombNewportNiotaNorrisOak RidgeOakdaleOcoeeOld FortOliver SpringsOneidaOoltewahPalmerPelhamPetrosPhiladelphiaPigeon ForgePikevillePioneerPowellRelianceRicevilleRobbinsRockfordRockwoodRogersvilleRutledgeSale CreekSequatchieSeviervilleSewaneeSeymourSharps ChapelShelbyvilleSignal MountainSoddy-DaisySouth PittsburgSpartaSpeedwellSpring CityStrawberry PlainsSunbrightSweetwaterTalbottTazewellTellico PlainsTen MileThorn HillTownsendTracy CityTullahomaTurtletownVonoreWallandWartburgWashburnWhite PineWhitwellWinchesterWinfield
HEP HVAC
Book Online
(423) 228-7742