HVAC Unit Replacement

HVAC Unit Replacement | Heating and Air Conditioning | Etowah

HEP's Heating and Air Conditioning offers expert HVAC unit replacement services in Etowah, ensuring your home enjoys optimal comfort year-round. Our experienced team is committed to providing timely, efficient service paired with top-quality, energy-efficient equipment. By choosing HEP, you're investing in a reliable solution that not only lowers your energy bills but also enhances your indoor environment—no matter the season.

Experience personalized service that understands your unique needs. We work closely with you from consultation to installation, ensuring a seamless transition to your new heating and air conditioning system. With HEP's Heating and Air Conditioning, you can count on improved performance, lasting durability, and a comfortable home environment that stands up to Etowah's diverse climate challenges.

What our customers say

HEP was able to fix the problems my previous HVAC contractor could not. I will DEFINITELY call HEP for any repairs I need done in the future. Thank you, Tomt

Steve W.

Friendly service, very response and helpful. I would recommend to anyone. They came out at 9pm on a Sunday night to fix A/C unit, was much needed help with a 8 and a half month pregnant wife at home.

Nathan S.

How much do I like HEP. I've used them multiple times for projects ranging from plumbing issues to Heating and Air. I feel that they are always courteous and do their best to be on time or early. The best part to me is that I have felt the same way with multiple people having visited over the years. That tells me that they bring in good people, and retain them, too. Ask them about their maintenance plan. It's worth it.

Sean D.

I had purchased a Service Contract through HEP and I called for a A/C Service. When the technician arrived, he explained his process and what to expect of the service. Once the service was completed, I was informed on the status of my A/C Unit with no intentional try to upsell. No Pressure, just friendly service.

Troy O.

The service we received from the technicians who installed our new heating and air unit was exceptional. Tommy F. And John S. Went above and beyond to make sure that our every need was meet. The very experienced and professional techs made sure that we were extremely statisfied.

April P.

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.

Our HEP technician came out when he said he would, listened to our issue with our unit, checked out both the unit and our crawl space, and made reasonable professional recommendations. We were impressed with his approach to our problem as well as his professionalism.

Annie G.

The HEP technician was very knowledgeable, troubleshot our unit, found the problem and fixed it ! The technician even worked in the rain plus he was right on time. I would recommend HEP to my friends and family. Excellent service.

David W.

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.

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.

The Importance of Professional HVAC Unit Replacement in Tennessee

The average HVAC system in Tennessee works harder than many homeowners realize. From humid summer afternoons that lock in moisture to crisp winter nights that send temperatures plunging, equipment must quickly transition between cooling and heating modes—often within the same week. When an aging furnace or air conditioner can no longer keep pace, comfort, efficiency, and safety decline together. That is why HVAC unit replacement is more than a swap of metal boxes; it is a strategic investment that protects indoor comfort, property value, and long-term energy use.

HEP specializes in turnkey HVAC unit replacement services designed specifically for Tennessee’s climate and housing stock. By combining NATE-certified technicians, comprehensive load calculations, and rigorous post-installation testing, the company delivers systems that maintain steady temperatures and ideal humidity levels while trimming monthly utility bills. Homeowners gain quieter operation, modern filtration capabilities, and peace of mind knowing every component meets or exceeds current building codes.

Why Tennessee Homes Demand Reliable Heating and Cooling

Unique Climate Challenges Across the State

Tennessee’s geography ranges from the eastern Appalachians to the western lowlands of the Mississippi River Valley, producing dramatic microclimates. East Tennessee frequently experiences quick drops in temperature due to elevation changes, while Middle and West Tennessee endure prolonged heatwaves and higher dew points. These conditions place year-round stress on HVAC equipment:

High summer humidity taxes air conditioners by forcing longer runtimes for latent heat removal.
Sudden spring and fall cold snaps demand furnace readiness even when daytime highs feel mild.
Allergens such as ragweed and mold spores persist nearly all year, raising the stakes for effective filtration and ventilation.

An HVAC system designed without these variables in mind often short-cycles, struggles to dehumidify properly, and leaves certain rooms uncomfortable. Replacing an outdated unit with a properly sized, climate-matched system from HEP addresses localized weather extremes and keeps indoor conditions stable.

Energy Consumption in Variable Seasons

Fluctuating outdoor temperatures translate into spikes and dips in energy use. Tennessee’s utilities report that heating and cooling account for well over half of annual residential electricity consumption. Replacing an aging 10-SEER air conditioner with a 16-SEER or higher unit can cut cooling costs up to 40 percent, while a high-AFUE furnace significantly reduces winter fuel usage. These savings accumulate year after year, offsetting the initial replacement investment and contributing to statewide energy-conservation goals.

Signs Your HVAC Unit May Need Replacement

No piece of mechanical equipment lasts forever. Recognizing red flags early prevents emergency breakdowns and expensive damage to other home systems. HEP technicians recommend watching for the following indicators:

Frequent repairs within a two-year span
Rising energy bills despite similar thermostat settings
Uneven temperature zones, hot and cold spots, or weak airflow
Excessive noise such as rattling, squealing, or banging during operation
Visible rust on the furnace cabinet or condenser coils
Persistent humidity issues, musty smells, or worsening allergy symptoms
System age exceeding 10–15 years for air conditioners or 15–20 years for furnaces

While some issues stem from ductwork or thermostat problems, multiple symptoms together often point to diminishing equipment life. A professional evaluation from HEP determines whether targeted repairs suffice or whether a full replacement will offer superior long-term performance.

Benefits of Upgrading with HEP

Homeowners selecting HEP for HVAC unit replacement gain advantages that extend beyond comfortable living spaces.

Personalized system design based on Manual J load calculations and duct analysis
Access to ENERGY STAR®-certified equipment that exceeds minimum federal efficiency standards
Detailed craftsmanship that preserves property aesthetics, from low-profile line sets to attic floor protection mats
Factory-authorized installation procedures for precise refrigerant charging and airflow balancing
Post-installation commissioning including static pressure testing, combustion analysis, and smart thermostat programming
Comprehensive parts and labor warranties backed by a stable Tennessee service provider

Collectively, these benefits translate into fewer service interruptions, quieter operation, and measurable energy reductions.

The HEP HVAC Replacement Process

1. Comprehensive Home Evaluation

A qualified comfort consultant conducts a room-by-room inspection, assessing insulation levels, window orientations, existing ductwork, and infiltration points. Infrared scanning and blower-door tests may be employed to quantify heat gain and loss. This data guides accurate sizing, a critical factor in Tennessee where undersized units struggle on humid days and oversized units short-cycle before extracting enough moisture.

2. System Selection and Custom Design

Based on the load calculation, HEP recommends matched components—outdoor condenser, indoor coil or air handler, furnace or heat pump—that meet both homeowner preferences and regulatory requirements. Options might include variable-speed blowers for quieter low-load operation, dual-fuel setups that leverage efficient heat-pump heating until temperatures dip below a set balance point, or advanced filtration modules for allergy relief.

3. Professional Installation

Installation crews remove and responsibly recycle old equipment before placing new units on vibration-isolating pads or securely mounting furnaces in attics or crawl spaces. Proper refrigerant line sizing, brazed connections with nitrogen purge, calibrated torque on electrical lugs, and sealed plenums ensure long-term reliability and code compliance. HEP follows current ICC and ASHRAE guidelines to guarantee safe combustion venting and condensate disposal.

4. Commissioning and Performance Verification

A new HVAC system reaches full potential only when airflow, refrigerant charge, and combustion parameters sit within precise tolerances. HEP technicians measure static pressure across the duct system, verify temperature splits, and record superheat or subcooling. Results are documented and left with homeowners alongside digital operation manuals and maintenance schedules.

5. Final Walk-Through and Education

Homeowners receive a tutorial on thermostat programming, air-filter replacement intervals, and how seasonal maintenance protects warranties. This hands-on orientation demystifies settings, promotes energy-saving habits, and reinforces HEP’s commitment to long-term system performance.

Energy Efficiency and Environmental Impact

Lower Utility Consumption

Energy-efficient HVAC replacement offers immediate and ongoing savings. In cooling mode, higher Seasonal Energy Efficiency Ratio (SEER) ratings translate into fewer kilowatt-hours per BTU removed. Modern heat pumps often exceed 20 SEER, while furnaces showcase Annual Fuel Utilization Efficiency (AFUE) ratings above 95 percent. Over a decade, reduced utility expenses recapture much of the system cost.

Reduced Carbon Footprint

Cutting electricity demand lowers greenhouse-gas emissions associated with regional power generation. High-efficiency gas furnaces combust fuel more completely, minimizing CO₂, NOx, and particulate production. Pairing HVAC upgrades with smart-home controls such as occupancy-sensing thermostats compounds ecological benefits by automatically scaling output when rooms are unoccupied.

Environmentally Responsible Refrigerants

Legacy air-conditioner refrigerants such as R-22 are being phased out due to ozone depletion. HEP installs systems utilizing R-410A and emerging low-GWP (Global Warming Potential) blends that meet future regulatory requirements. Proper recovery and recycling of legacy refrigerants during replacement prevents atmospheric release and aligns with environmental stewardship.

Advanced Technologies Available Through HEP

Variable-Speed Compressors

Traditional single-stage compressors operate at full capacity or shut off entirely, creating temperature swings and higher energy spikes. Variable-speed technology modulates output to match precise cooling or heating demand. Homes experience steadier temperatures, improved humidity control, and lower sound levels inside and outside.

Modulating Gas Valves

Gas furnaces equipped with modulating valves adjust flame intensity across a broad range. This fine-tuned combustion maintains consistent supply-air temperatures, eliminating frequent starts and stops. Homeowners notice quieter operation and fewer drafts caused by rapid duct temperature changes.

Smart Thermostat Integration

Wi-Fi-enabled thermostats integrate seamlessly with new HVAC systems, allowing remote monitoring, automated scheduling, and energy-use analytics. Some models employ geofencing to reduce output when occupants leave and restore comfort before they return. HEP ensures compatible control wiring and provides initial programming guidance.

Enhanced Filtration and Air Purification

Optional high-MERV filters, electronic air cleaners, and UV-C lamps capture and neutralize pollen, bacteria, and volatile organic compounds (VOCs). Tennessee’s persistent allergen load makes these upgrades especially valuable for households with respiratory concerns. When paired with properly balanced airflow from a new system, indoor air becomes noticeably fresher and cleaner.

Building Code Compliance and Safety

HVAC replacements must meet the International Residential Code (IRC) and local Tennessee amendments. HEP follows all mandated protocols, including:

Correct flue-pipe sizing and slope for gas appliances
Mandatory overflow safety switches on secondary condensate drain pans
Proper clearances to combustibles and attic walkway installation when required
Electrical disconnect placement within line-of-sight of service panels
Secure refrigerant line insulation to prevent energy loss and condensation

Permit documentation and scheduled inspections confirm compliance. Adhering to these standards not only ensures occupant safety but also protects home insurance coverage and future real-estate transactions.

Indoor Air Quality Enhancements After Replacement

Balanced Ventilation

Older HVAC systems often relied on incidental leakage for fresh-air exchange, leading to inconsistent indoor humidity and pollutant buildup. New equipment can incorporate dedicated ventilation options such as energy-recovery ventilators (ERVs), which introduce conditioned outdoor air while conserving heating and cooling energy.

Humidity Control

Properly sized air conditioners and heat pumps extract moisture more effectively, preventing mold growth and protecting wood flooring and furniture. In winter, optional whole-house humidifiers maintain optimal relative humidity, reducing static shocks and respiratory discomfort.

Filtration Upgrades

A newly replaced system eliminates bypass gaps and provides sealed filter cabinets. Homeowners may choose media filters rated MERV 11–16 for superior particulate capture without compromising airflow, an option often impossible with undersized or obsolete equipment.

Maintenance After Replacement

Protecting the Warranty

Manufacturers require periodic service to uphold parts warranties. HEP offers annual maintenance agreements that include:

Inspection and cleaning of evaporator and condenser coils
Lubrication of moving parts, if applicable
Verification of refrigerant charge and system pressures
Combustion-efficiency testing for furnaces
Thermostat calibration and software updates
Replacement of disposable filters

Sticking to a scheduled maintenance plan sustains peak efficiency and uncovers minor issues before they become major repairs.

Extending System Lifespan

Regular attention keeps motors, heat exchangers, and compressors operating under ideal conditions. Dust buildup, refrigerant imbalances, and clogged condensate lines strain components and accelerate wear. Proactive tune-ups preserve airflow, uphold energy ratings, and delay the next replacement cycle.

Choosing the Right HVAC Size and Type

Manual J Load Calculations

Proper sizing hinges on detailed engineering analysis rather than square-footage estimates alone. Manual J computations factor in insulation R-values, window SHGC ratings, orientation, infiltration rates, and occupant loads. HEP completes a fresh calculation for every replacement to eliminate legacy sizing errors.

Split System vs. Packaged Unit

Tennessee homes often feature split systems with separate indoor furnaces and outdoor condensers. However, certain properties—especially those with limited indoor mechanical rooms or slab-on-grade construction—may benefit from packaged rooftop or ground-mount units. HEP evaluates site constraints and homeowner preferences before making a recommendation.

Heat Pump Considerations

With moderate winter temperatures across much of Tennessee, modern heat pumps paired with auxiliary electric or gas backup heat can offer substantial efficiency gains. Dual-fuel configurations switch to fossil fuel only during extreme cold, maximizing heat-pump operation and lowering annual operating costs.

Home Performance Upgrades That Complement HVAC Replacement

Adding blown-in attic insulation to achieve recommended R-38 to R-60 levels
Sealing and insulating ductwork to reduce leakage and improve static pressure
Installing radiant barriers in high-sun-gain attics
Replacing leaky single-pane windows with low-E double-pane units
Weather-stripping doors and sealing plumbing penetrations to cut infiltration

Addressing these envelope issues during HVAC replacement allows for smaller, more efficient equipment and greater comfort.

Financing, Rebates, and Incentive Opportunities

Utility companies and state energy offices periodically offer rebates for high-efficiency HVAC installations that meet specified SEER, EER, or AFUE thresholds. Federal tax credits may also apply to certain systems with qualifying ratings. HEP stays informed on current programs and guides homeowners through paperwork, ensuring maximum incentive capture and smoother project budgeting.

The Long-Term Value of Expert HVAC Replacement

Replacing an HVAC unit represents a significant home upgrade, but when executed with precision and foresight, it delivers returns beyond comfort alone. Benefits accumulate in multiple dimensions:

Markedly lower monthly energy bills
Healthier indoor air through superior filtration and balanced humidity
Reliable operation that prevents unexpected breakdowns
Increased resale value due to documented efficiency improvements and transferable warranties
Environmental responsibility through reduced carbon emissions and ozone-safe refrigerants

HEP’s comprehensive approach—from meticulous load calculations to post-installation commissioning—ensures every Tennessee homeowner enjoys these tangible advantages. By integrating advanced technology with proven craftsmanship, HEP turns what might have been a reactive equipment swap into a forward-thinking investment in long-term home performance.