HVAC Unit Replacement

HVAC Unit Replacement | Heating and Air Conditioning | Apison

HEP is committed to ensuring your home or business stays comfortable year-round with top-notch HVAC unit replacement services in Apison. Our experienced team works meticulously to install high-performance systems that not only enhance your indoor environment but also improve energy efficiency. We value precision and care in every replacement, making sure that your new system perfectly fits your space and lifestyle needs.

Choosing HEP means investing in reliability and longevity. From the initial consultation to the final system test, our friendly experts ensure a seamless transition to a new heating and air conditioning unit. Enjoy the peace of mind that comes with quality workmanship, proactive maintenance, and a promise of comfort no matter the weather.

What our customers say

He toke the time on my unit he was super great I want him to come out only I give him 100 percent great job Robert christian.

Susan Y.

Technician was Jacob Newman, and he provided thorough and helpful information. We negotiated a great deal on a replacement hvac unit!

Jacob P.

We needed our unit replaced and they came out and gave us an estimate and had it replaced the next day!

Phoebe

Today I was visited by the hvac fairy named Justin W from HEP. I told him I was a delicate flower and although it’s nearing the end of satan’s armpit summer I still needed a cool down. Justin W was quick in figuring out the capacitor was the problem and, unfortunately, I couldn’t go back to the future to fix it. But Justin W worked his friendly fairy magic and left in his magic fairy dust yellow HEP car only when he confirmed the hvac was running again. If you ever need a little magic help call and ask for Justin W and he will tell you HEP is on the way.

Elizabeth A.

I highly recommend these guys we had Montrell and Thomas come out to fix our unit they were incredible they were so polite, patient and helpful.

Misty R.

Carl Frazier is the man, did a great job wrapping up our HVAC project. Thanks Carl!

Jason D.

HVAC tech Patrick McGraw was very professional. He answered every question we had and resolved our problem quickly.

Brian B.

Justin W. of Jefferson City is AMAZING, and he was able to answer all the questions we asked. We learned a lot from him about our unit and how to handle it better. He is very knowledgeable, friendly, and courteous.

Laura R.

Brett cox was amazing and got my ac fixed fast. Super nice guy, highly recommended! Thank you.

Mandee K.

Jacob Newman with HEP was super helpful when my parents needed their AC replaced at their house. He took his time to explain everything and was very patient answering all questions we had. He gave different options that best fit their needs. He was very personable too. Highly recommend!

Alviony F.

Reliable HVAC Unit Replacement Across Tennessee

When the temperature swings from humid summers to frosty winters, Tennessee homeowners count on their heating and air conditioning systems to deliver year-round comfort. HEP specializes in full-service HVAC unit replacement that restores efficiency, lowers energy consumption, and keeps indoor environments consistent—no matter what the forecast predicts.

Core Benefits of Choosing HEP for HVAC Replacement

High-efficiency equipment that meets or exceeds ENERGY STAR® standards
Precision load calculations and custom system sizing for each home
Factory-trained technicians with local code and climate expertise
Streamlined installation that minimizes downtime and household disruption
Post-installation testing to verify airflow, refrigerant charge, and thermostat calibration

Why Timely HVAC Replacement Matters

Replacing an aging system is more than just swapping equipment—it’s a proactive investment in comfort, air quality, and operating costs.

Energy Efficiency and Cost Savings

Modern variable-speed compressors and fans adjust output to actual demand, trimming electricity usage.
Advanced coil designs improve heat transfer, reducing run times.
Smart thermostats integrate seamlessly, fine-tuning schedules and detecting inefficiencies.

Indoor Air Quality Improvements

New air handlers accommodate higher-MERV filters without sacrificing airflow.
Optional UV lights and whole-home dehumidifiers help reduce allergens and biological growth.
Fresh-air intakes balance indoor CO₂ and volatile organic compounds.

Environmental Impact

Refrigerants such as R-454B deliver lower global warming potential compared to legacy blends.
Optimized performance lowers carbon footprint through reduced power consumption.

Signs Your HVAC Unit Needs Replacement

Age and Performance Indicators

System older than 10-15 years
Rising monthly energy bills despite routine maintenance
Frequent service calls or hard-to-source replacement parts

Comfort and Airflow Concerns

Uneven temperatures between rooms
Excessive humidity in summer or dry air in winter
Persistent noises—rattling, grinding, or short cycling

Safety and Reliability Red Flags

Cracked heat exchanger leading to possible carbon monoxide leaks
Electrical issues such as tripped breakers or burned wiring
Visible refrigerant leaks or ice buildup on evaporator coil

The HEP HVAC Replacement Process

Initial Assessment

HEP technicians perform a comprehensive inspection that includes:

Manual J heat-load calculation for accurate equipment sizing
Ductwork evaluation for leakage, sizing, and insulation adequacy
Electrical capacity check to confirm proper breaker and wiring support

Equipment Selection

Matching SEER2-rated air conditioners and heat pumps with compatible indoor coils
High-AFUE gas furnaces for cooler Tennessee mountain regions
Dual-fuel hybrid systems tailored to fluctuating utility rates and outdoor temperatures

Professional Installation

Removal and eco-friendly disposal of the old unit
Precision placement of the new condenser, air handler, or furnace
Sealed, insulated duct connections to prevent thermal losses
System evacuation, accurate refrigerant charging, and airflow balancing

Post-Installation Verification

Static pressure testing to ensure optimal airflow
Thermostat programming for comfort and efficiency
Customer walk-through covering maintenance tips and filter change intervals

Service Coverage Throughout Tennessee

HEP’s licensed HVAC teams operate across:

Knoxville and surrounding suburbs
Maryville, Alcoa, and the foothills of the Smokies
Oak Ridge, Clinton, and Anderson County communities
Sevierville, Pigeon Forge, and tourist corridor residences
Expanding service routes through Middle Tennessee hubs

Long-Term Support After Replacement

Preventive Maintenance Plans

Seasonal tune-ups that protect warranty validity
Priority scheduling for any unexpected issues
Multi-point inspections tracking refrigerant levels, blower operation, and safety controls

System Upgrades and Enhancements

Wi-Fi thermostat integrations for smartphone control
Zoning dampers to direct airflow where it’s needed most
Whole-home air purifiers for advanced particulate removal

HVAC technology evolves quickly, and HEP remains committed to bringing Tennessee homeowners the latest comfort solutions backed by precise installation and ongoing expertise. When reliability, energy savings, and consistent comfort are the goals, a professionally executed HVAC unit replacement from HEP stands out as the smart choice.