HVAC Unit Replacement

HEP HVACHVAC Unit Replacement

HVAC Unit Replacement | Heating and Air Conditioning | La Follette

When summer humidity rolls in from Norris Lake or winter cold slips down the Cumberland Plateau, La Follette homeowners need an HVAC system they can trust every single day. HEP’s seasoned, NATE-certified technicians make upgrading effortless: we evaluate your home’s size and ductwork, match you with high-efficiency equipment from brands you know, and replace your old unit—often in a single visit. That means quieter operation, lower utility bills, and reliable comfort no matter what East Tennessee’s skies decide to do.

Because a new system is an investment, we back every installation with industry-leading warranties, transparent pricing, and flexible financing options. From the first free estimate to the final thermostat tutorial, you’ll feel the “Happy HEP-it-ness” difference in our punctual arrivals, protective floor coverings, and respectful clean-ups. Ready to trade surprise breakdowns for year-round peace of mind? Give us a call today and feel how smooth HVAC unit replacement can be.

What our customers say

HEP has been wonderful. I created an electrical problem which when I call HEP they sent out a tech who fixed it and then looked at my heating unit. I have known for sometime that the unit needed to be replaced. Doug was kind enough to evaluate the current system and at his suggestion I asked for a salesman to meet with me. He was kind enough to get the salesman here the same day and I purchased a unit that they are installing now. It has been like clockwork, each piece of the puzzle coming together. HEP you have a great team that knows how to work in sync. Thank you so much.
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Priscilla J.
We had an appointment for a maintenance check up for a Friday afternoon with no specific time. Hep called ahead before coming. We were not ready for them to stop by and the service man politely asked for a time and showed up exactly when I asked him to. My husband had a lot of questions about our new heating system and the serviceman politely and patiently answered them all.
Amanda S. profile photo
Amanda S.
I have used HEP for my roofing needs. The employees are professional, courteous and straight shooters. I have also had my electrical, HVAC and plumbing system inspected by HEP. I would highly recommend this service.
Tracey W. profile photo
Tracey W.
I want to thank the technician that come out to fix my air last night at 8 o’clock. He was amazing. Can’t remember his name you all know who he is he done an excellent job. I also want to thank Abby for all her support and helping me get this done. You’re a great Abby. Thank you very much.
Margaret C. profile photo
Margaret C.
Carl was amazing! He came out diagnosed the problem and presented 3 options (fix, fix and maintenance & fix, maintenance and upgrades). We have family coming in and he let everyone in the HEP loop to get it expedited and installed before the family arrives. We'll definitely be using HEP again.
Ryan H. profile photo
Ryan H.
My wife and I bought our first home and decided to do a maintenance check on our HVAC unit. Josh came out and did a great job explaining the condition of our system. He educated us and took his time to make sure we knew all our options. We decided to get a new system and Bob came to help us with the process. He did an amazing job helping us through the decision process. We decided to use HEP based on the amazing service they provided. Bob really took care of us and made my wife comfortable which is the most important part. We will be a customers for life!
Taylor B. profile photo
Taylor B.
HEP installed a HVAC unit to my house. This service was efficient and utterly the best experience I have had with a company. They also sent a senior inspector out the same day to make sure the unit was installed successfully. I highly recommend this company.
BRITTANY H. profile photo
BRITTANY H.
Had to call HEP out on Independence Day for one of our units that has started to lay down on us! Patrick came with a smile on his face. Even though not so good news but got us up and running until we make a decision on a new unit! Patrick was very knowledgeable and friendly and honest! We will definitely be calling them again in the future! Patrick is an asset to your company and deserves recognition.
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Robert R.
Carl Frazier did great job with our HVAC system repair and maintenance. He kept us informed throughout the job. Would definitely recommend him to anyone.
Tina G. profile photo
Tina G.
I love that I have air in this hot weather thanks Ronnie
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Lili R.

Advanced Ductwork Optimization During HVAC Replacement

A new high-efficiency furnace or heat pump still relies on ducts to distribute conditioned air, and in many La Follette homes those ducts were installed decades ago. HEP includes a full duct evaluation as part of the replacement process, ensuring the upgraded equipment performs to its rated specifications.

Pressure Testing and Leakage Identification

Technicians attach a calibrated blower to the supply plenum, seal all registers, and pressurize the system to measure air loss. This test pinpoints:

  • Crushed or kinked flex runs behind walls
  • Loose take-offs in attic spaces
  • Gaps between metal trunk lines and elbow joints
  • Unsealed boot connections at the ceiling or floor

Sealing and Insulation Upgrades

Once leaks are located, HEP applies mastic or coded foil tape to joints and transitions, then encapsulates exposed duct sections with R-8 or higher insulation. The result is reduced temperature loss between the air handler and living areas, quieter airflow, and balanced static pressure that prevents blower strain.

Introducing Zoned Comfort Solutions

La Follette residences with multiple floors or sprawling layouts often struggle with temperature differentials. Zoning solves this by incorporating motorized dampers and individual thermostats for distinct areas of the home.

How Zoning Works

  • Thermostats in each zone send demand signals to a central control board
  • Dampers modulate to direct conditioned air only where needed
  • The HVAC system operates at lower capacities for partial calls, maximizing energy savings

Ideal Applications in East Tennessee

  • Split-level homes built along hillside terrain
  • Finished basements converted into year-round living areas
  • Sunrooms that tend to overheat in afternoon sun

Noise Reduction Strategies for a Quieter Home

Outdoor condensers can generate distracting sound, especially when positioned near patios or bedroom windows. HEP incorporates several solutions:

  • Variable-speed compressors that ramp up gradually instead of abrupt starts
  • Rubber isolation pads under condenser feet to absorb vibration
  • Strategic placement behind decorative fencing or shrubbery without compromising airflow
  • Insulated compressor jackets that muffle mechanical noise

Staying Ahead of Evolving Efficiency Standards

SEER2 and HSPF2 Ratings

Beginning in 2023, federal guidelines transitioned from SEER to SEER2 and HSPF2 metrics, accounting for real-world external static pressure. HEP recommends equipment that not only meets but exceeds these updated benchmarks, assuring La Follette homeowners that their investment remains compliant for many years.

Regional Requirements in the Southeast

Campbell County falls within the Southeast efficiency region, mandating higher minimum cooling performance than northern zones. By selecting models tailored for this classification, HEP safeguards against potential resale issues linked to non-conforming equipment.

Remote Monitoring and Predictive Diagnostics

Modern HVAC systems can transmit performance data directly to cloud platforms. When homeowners opt into remote monitoring, HEP can:

  • Receive alerts for abnormal refrigerant pressures or high compressor amps
  • Schedule service before minor anomalies evolve into breakdowns
  • Push firmware updates that refine energy algorithms

This proactive model minimizes downtime, extends component life, and provides verifiable equipment health reports.

Educating Homeowners for Optimal Performance

A top-tier installation still relies on correct daily operation. Technicians dedicate time after startup to review:

  • Thermostat programming best practices for weekday vs. weekend schedules
  • Proper damper positions for supply and return registers
  • Filter size, location, and replacement frequency
  • Indicators that signal it’s time to call for maintenance, such as persistent noises or rapid cycling

Printed and digital quick-reference guides remain on-site so every household member can access key information.

Integrating HVAC Upgrades with Whole-Home Performance

An HVAC replacement frequently coincides with other energy-saving projects. HEP coordinates seamlessly with:

  • Attic air sealing to block leaks around plumbing stacks and light fixtures
  • Blown-in cellulose or fiberglass insulation enhancements
  • Window and door weather-stripping improvements
  • Crawlspace encapsulation to combat ground moisture and radon intrusion

By aligning schedules and scopes of work, homeowners avoid redundant disruptions and achieve compounding efficiency gains.

Longevity Expectations and End-of-Life Planning

While new systems promise 15 to 20 years of service, proactive considerations now can streamline the next replacement cycle:

  • Installing larger electrical conduits during current work accommodates future higher-efficiency models
  • Choosing modular blower assemblies eases coil access for cleaning or swap-outs
  • Documenting duct routing with photos assists future service teams and home inspectors

Forward-thinking details preserve property value and simplify expansions such as finished attic conversions or room additions.

Technician On-Site Protocols That Protect Your Property

HEP establishes strict standards for jobsite professionalism:

  • Floor grilles covered with magnetic shields to prevent tool drops
  • Drop cloths laid from entry door to work zone at the start of each day
  • End-of-shift cleanup with commercial vacuums regulating dust to below 50 micrograms per cubic meter
  • Daily debrief with homeowners describing completed milestones and next-day goals

These practices promote transparency, minimize disruptions, and deliver a turnkey replacement experience for every La Follette household.

Adapting HVAC Design to La Follette’s Humid Subtropical Climate

La Follette sits in the Tennessee Valley where steamy summers and cool, damp winters coexist. A replacement strategy tailored for this climate protects the building envelope, safeguards indoor air, and stretches every kilowatt of energy.

Seasonal Swing Considerations

  • Late July averages can surge past 90 °F with oppressive humidity
  • January lows occasionally dip below freezing, demanding reliable heat
  • Rapid shoulder-season transitions create frequent part-load operating conditions

HEP addresses these swings by selecting variable-capacity compressors and modulating gas valves that track real-time demand rather than relying on outdated single-stage cycling.

Dehumidification as a Central Design Goal

High latent loads encourage mold, dust-mite reproduction, and comfort complaints even when temperatures are moderate. Oversized equipment short-cycles, removing less moisture. HEP’s load calculation ensures the new system achieves:

  • Extended runtimes at lower fan speeds for superior humidity removal
  • Coil temperatures that stay below dew point longer
  • Dedicated whole-house dehumidifier integration when home envelope leaks or lifestyle factors warrant extra capacity

Load Calculation Precision: The Foundation of a Correctly Sized Replacement

Manual J Heat Gain and Heat Loss Analysis

Technicians gather:

  • Square footage and ceiling heights
  • Window orientation, glazing type, and shading
  • Insulation R-values for walls, attics, and floors
  • Infiltration rates determined by blower-door testing

Software then delivers exact BTU numbers for both cooling and heating seasons. This data forms the basis for Manual S equipment selection and Manual D duct sizing, preventing the chronic oversizing that plagues legacy installations.

Benefits of Correct Sizing

  • Steadier indoor temperatures without drastic swings
  • Lower noise levels thanks to reduced airflow velocity
  • Enhanced energy efficiency and longer compressor life
  • Fewer nuisance trips on high-pressure or low-temperature safeties

Environmentally Responsible Refrigerant Transition

The HVAC sector is phasing out R-410A in favor of mildly flammable A2L refrigerants with drastically lower Global Warming Potential (GWP). HEP technicians are certified in safe handling protocols, ensuring:

  • Proper evacuation to below 500 microns before charging
  • System components rated for altered pressure curves
  • Leak-detection sensors installed where codes require audible or visual alarms

Homeowners gain peace of mind knowing their comfort system aligns with forthcoming environmental regulations rather than racing to catch up later.

Indoor Air Quality Enhancements Integrated with Replacement

Whole-House Media Filtration

Instead of inch-thick fiberglass pads, HEP often installs 4-inch or 5-inch media cabinets. Advantages include:

  • Over 10 square feet of pleated surface area that traps microscopic particles
  • Longer replacement intervals, cutting landfilled waste
  • Lower static pressure compared with stacking multiple standard filters

Ultraviolet Germicidal Irradiation

UV-C lamps inside the supply plenum deactivate viral pathogens and inhibit biofilm on evaporator coils. Continuous exposure stops slime from narrowing fins, preserving heat exchange efficiency year after year.

Energy Recovery Ventilators (ERV)

Tightly sealed homes accumulate VOCs from paint, furniture, and cleaning products. An ERV brings in fresh outdoor air while exchanging moisture and heat with stale exhaust, so comfort and energy budgets stay balanced.

Condensate Drainage and Flood Prevention

Summer humidity paired with undersized drain lines can create gallons of condensate every day. HEP upgrades:

  • Primary PVC trunk lines to 3/4-inch diameter for robust flow
  • Secondary pan floats that cut power before overflow reaches ceilings
  • Condensate pumps with clear tubing for visual monitoring in basement applications

Using sloped hangers and sediment traps prevents algae buildup that would otherwise trigger float switches and surprise shutdowns.

Electrical and Structural Readiness

Nine-speed ECM blowers and inverter compressors demand stable voltage. HEP electricians verify:

  • Breaker size compatibility with reduced inrush amperage
  • Tight, corrosion-free lugs on disconnect switches
  • Proper bonding and grounding to eliminate nuisance trips on integrated surge protectors

Structural bracing is equally important. In attic installs, raised platforms with vibration-dampening pads keep gypsum ceilings below from developing cracks, while exterior pads are poured on frost-protected footers to prevent settling.

Permit Pathways and Inspection Milestones in Campbell County

Local ordinances require a mechanical permit whenever equipment tonnage or fuel type changes. HEP handles paperwork, coordinating with officials for:

  • Rough-in inspections verifying insulated line-sets, gas flex, and condensate routing
  • Final inspections where inspectors verify model numbers match submitted documents and safety switches function

Compliance documentation attaches to the property record, streamlining future refinancing, resale, or insurance claims.

Post-Installation Commissioning Tests

After firing up the new system, certified technicians perform:

  • Superheat and subcooling assessments to verify refrigerant charge under real load
  • Static pressure probes at supply and return plenums, comparing readings to manufacturer specs
  • Temperature-split checks ensuring coil Delta-T falls within 18–22 °F for cooling and 30–60 °F for heating

If values stray, adjustments are made immediately rather than hoping performance “settles in” later.

Homeowner Maintenance Tasks Between Service Visits

Routine care keeps warranties valid and energy bills predictable:

  • Replace high-MERV media filters every 6–9 months or when ΔP indicators signal
  • Trim shrubs to maintain at least 24 inches of clearance around outdoor units
  • Vacuum supply and return grilles to reduce static pressure rise from dust accumulation
  • Pour a cup of distilled vinegar into condensate lines each quarter to deter algae growth

Common Warning Signs That Signal Replacement Rather Than Repair

La Follette homeowners often wonder when the tipping point toward replacement arrives. Indicators include:

  • Compressor or heat exchanger failures after a decade of service
  • Rising utility costs despite consistent thermostat settings
  • Frequent breaker trips linked to motor winding degradation
  • Uneven temperatures pointing to diminished airflow or refrigerant migration

Recognizing these cues early prevents costly emergency calls during peak demand.

Dual-Fuel Configurations for Rural Propane Homes

In outlying areas where natural gas infrastructure is limited, dual-fuel heat pumps provide an economical alternative. The system operates on electricity for mild heating loads and automatically switches to propane backup when outdoor temperatures fall below an efficiency balance point. Benefits include:

  • Leveraging lower electric rates for the majority of winter days
  • Preserving propane reserves for only the coldest snaps
  • Eliminating the need for oversized electric heat strips that spike amperage draw

HEP technicians program outdoor thermostats and staging controls so transitions occur seamlessly without homeowner intervention.

Synergies With Heat Pump Water Heaters

During HVAC replacement, access to electrical panels and plumbing lines is already open, making it an ideal moment to consider a heat pump water heater installation. The appliance:

  • Harvests ambient heat from the mechanical room, lowering tank water heating costs
  • Provides dehumidification that further protects stored holiday décor and seasonal clothing in adjacent spaces
  • Generates cool exhaust air useful for wine cellars or pantry climate control

Coordinating both upgrades consolidates disruptions and maximizes federal efficiency incentives.

Smart Controls and Home Automation Ecosystems

Replacing an air handler unlocks new communication protocols such as Modbus, BACnet, or proprietary 24-volt two-wire digital links. Paired with a smart thermostat, homeowners gain:

  • Geofencing that pre-conditions spaces based on smartphone proximity
  • Voice assistant integration for hands-free temperature adjustments
  • Energy usage dashboards broken down by hour, day, and week

The controls also store fault codes, offering HEP remote diagnostics data well before the truck rolls out of the shop.

Incentives, Rebates, and Tax Credit Opportunities

Energy-conscious upgrades often qualify for layered financial perks:

  • Federal tax credits on equipment meeting specific SEER2 and HSPF2 thresholds
  • Tennessee Valley Authority programs rewarding load-shifting technology such as smart thermostats or variable-speed heat pumps
  • Utility rebates for documented duct sealing that achieves predetermined CFM reduction

HEP provides the manufacturer certification sheets and commissioning reports required to substantiate claims, ensuring homeowners capture every available advantage.

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