- HEP Heat and Air
- Aging HVAC Unit

Aging HVAC Unit
Aging HVAC Unit | HVAC Unit Replacement | Heating and Air Conditioning | Gatlinburg
When Gatlinburg’s humid summers fade into chilly mountain winters, an aging heating and cooling system can struggle to keep up—leaving you with uneven temperatures, soaring utility bills, and the worry of a mid-season breakdown. HEP’s local technicians understand the unique demands our region places on HVAC equipment, and we’re ready to swap inefficiency for comfort with precision, care, and upfront pricing.
Our HVAC unit replacement service pairs high-efficiency systems with expert installation, ensuring your home stays cozy in January and refreshingly cool in July while lowering energy costs for years to come. From the first inspection to the final thermostat test, we handle every detail so you can relax and breathe easy, knowing your new unit is built to thrive in Gatlinburg’s climate.
FAQs
How do I know it’s time to replace my aging HVAC unit instead of repairing it?
Most systems in Gatlinburg last 12–15 years. If yours is approaching that age and requires frequent or costly repairs (exceeding 40 % of the price of a new system), has declining efficiency, uneven temperatures, or uses the now-banned R-22 refrigerant, replacement is usually the most economical and comfortable long-term choice.
What is the average cost to replace an HVAC system in Gatlinburg?
Prices vary with size, efficiency rating (SEER/AFUE), ductwork condition, and installation complexity. In Gatlinburg, a complete heat-pump or gas furnace/air-conditioner replacement typically ranges from $6,500–$12,000, including equipment, labor, basic permits, and haul-away of the old unit. High-efficiency or variable-speed systems can run $12,000–$16,000 but lower utility bills enough to offset the higher upfront cost over time.
How long does a residential HVAC replacement take from start to finish?
Once you approve the proposal and financing, standard replacements take one full working day. Complex jobs—adding return air, zoning, or major duct modifications—can require two to three days. Your Gatlinburg HVAC contractor will schedule city or county inspections, so allow an additional one to two business days for permitting and final sign-off.
Will a new HVAC system actually lower my utility bills?
Yes. Modern air conditioners in Tennessee must carry a minimum 14.3 SEER2 rating, with many high-efficiency units reaching 18–22 SEER2. Replacing a 10–12 SEER unit with an 18 SEER2 model can cut summer cooling costs up to 40 %. Likewise, a 95 % AFUE gas furnace wastes half as much fuel as an older 80 % model. Gatlinburg’s humid climate also makes variable-speed heat pumps attractive because they dehumidify more effectively, letting you set the thermostat higher without sacrificing comfort.
Do I need a permit or inspection to replace my HVAC system in Gatlinburg?
Yes. Sevier County and the City of Gatlinburg require mechanical permits when replacing any heating or cooling equipment. Your licensed HVAC contractor will pull the permit, schedule rough-in and final inspections, and provide you with the signed inspection card for your records. This ensures the new system meets local building codes, manufacturer specifications, and safety standards.
Are there tax credits or rebates available for HVAC replacements in Gatlinburg?
Homeowners can claim up to a $2,000 federal tax credit through 2032 for qualifying ENERGY STAR heat pumps, plus 30 % of the project cost (capped at $600) for high-efficiency furnaces, air conditioners, and advanced thermostats. Tennessee Valley Authority (TVA) EnergyRight rebates may also provide $150–$400 for heat pump upgrades. Your contractor can supply AHRI certificates and help submit the paperwork so you receive every incentive you’re entitled to.