Unit Replacement Services
Unit Replacement Services | HVAC Unit Replacement | Heating and Air Conditioning | Mountain City
When Mountain City’s wild temperature swings push your old system past its limits, HEP’s seasoned technicians step in with fast, worry-free HVAC unit replacement. We start with a no-pressure assessment of your home’s layout and energy demands, then match you with a high-efficiency heating and cooling package that fits your budget and maximizes year-round comfort. From removing the outdated equipment to fine-tuning the new install, every step is handled with meticulous care and respect for your property.
Homeowners across Johnson County trust our local, 24/7 team because we stand behind each replacement with generous warranties, transparent pricing, and financing options that make upgrading easy. Call us today and feel the difference a properly sized, professionally installed system can make—so you can spend more time enjoying the Mountain City views and less time worrying about breakdowns.
FAQs
What signs indicate it’s time to replace my HVAC unit instead of repairing it?
If your system is 10–15 years old, needs frequent or costly repairs, struggles to maintain set temperatures, or causes noticeably higher energy bills, replacement is usually more cost-effective. Modern high-efficiency units can cut energy use by 20–40 %, and you avoid the risk of an emergency breakdown during Mountain City’s hot summers or chilly winters.
How long does a typical HVAC unit replacement take in Mountain City?
Most residential replacements are completed in a single day. Our team arrives in the morning, removes your old equipment, makes any ductwork or electrical adjustments, installs the new indoor and outdoor units, tests airflow and refrigerant charge, and cleans the work area. Complex jobs—such as adding new duct runs or upgrading electrical service—may extend the project to two days.
Will a new HVAC system lower my energy bills in Mountain City’s climate?
Yes. Replacing a 10-SEER system with today’s 16–20-SEER equipment can reduce cooling costs by 30 % or more. In winter, a high-efficiency heat pump or dual-fuel system can deliver heating at a fraction of the cost of older units. Proper sizing, tight ductwork, and a programmable thermostat further boost savings.
What size HVAC unit do I need for my Mountain City home?
Correct sizing depends on square footage, insulation, window area, orientation, occupancy, and local weather data. We perform a Manual J load calculation for every replacement, ensuring the new unit is neither oversized (which causes short cycling and humidity issues) nor undersized (which leads to long run times and discomfort).
Are there rebates or financing options available for HVAC replacement in Mountain City?
Absolutely. Tennessee Valley Authority (TVA) energy-efficiency rebates, manufacturer promotions, and federal tax credits (up to $2,000 for qualifying heat pumps) can reduce upfront costs. We also offer 0 % APR financing for up to 60 months on approved credit, so you can spread payments out without delaying your comfort upgrade.
How often should my new unit be maintained after installation?
Plan on professional maintenance twice a year—once in spring for cooling and once in fall for heating. Regular tune-ups keep the warranty valid, maximize efficiency, and allow us to catch small issues before they become expensive repairs. Homeowners should also change or clean filters every 30–90 days, depending on usage and filter type.