- HEP HVAC
- NATE-certified Technicians

NATE-certified Technicians
NATE-certified Technicians | HVAC Unit Replacement | Heating and Air Conditioning | Signal Mountain
When Signal Mountain’s weather swings from misty mountaintop mornings to steamy Tennessee afternoons, you need an HVAC system that keeps pace. HEP’s NATE-certified technicians specialize in HVAC unit replacement that swaps out under-performing equipment for high-efficiency comfort machines—often in a single day. We start with a meticulous load calculation, recommend ENERGY STAR options tailored to your home, and back every install with industry-leading warranties and our “Happy HEP Homeowner” guarantee.
From the first thermostat check to the final airflow test, you’ll feel the difference of having factory-trained pros who treat your house like their own. Transparent pricing, financing flexibility, and 24/7 support mean you can upgrade without the stress. Trust HEP to elevate your comfort on the Mountain and enjoy reliable heating and cooling for years to come.
FAQs
How do I know it’s time to replace my HVAC unit instead of repairing it?
Most HVAC systems in Signal Mountain last 12–15 years. If yours is near that age and you’re facing major repairs such as a failed compressor or cracked heat exchanger, replacement is often more economical. Other red flags include frequent service calls, hot and cold spots in the home, rising utility bills despite regular maintenance, and units that still use R-22 refrigerant (phased out since 2020). Our NATE-certified technicians will inspect the equipment, provide a cost-of-repair versus cost-of-replacement analysis, and help you decide which option makes the most financial and comfort sense.
What size heating and cooling system does my Signal Mountain home need?
Bigger isn’t better—proper sizing is critical for efficiency, comfort, and longevity. Our technicians perform a Manual J load calculation that factors in local climate data, square footage, insulation levels, window orientation, number of occupants, and even air-leakage rates. Signal Mountain’s humid summers and cool winters demand balanced capacity: too large a unit short-cycles and wastes energy; too small a unit struggles on peak-temperature days. After the calculation we’ll present right-sized options, explain SEER2/HSPF ratings, and show you how a variable-speed system can further tailor output to your home’s real-time load.
How long will an HVAC replacement take and will I be without heating or cooling?
Most straight system swaps—replacing an existing furnace, air conditioner, or heat pump with a comparable new model—are completed in 4–8 hours. Projects that require duct modifications, electrical upgrades, or indoor air-quality accessories may take a full day or two. You’ll be without conditioned air only while the old equipment is disconnected and the new system is being set up—typically a few hours. We schedule installations at your convenience, arrive with all parts on the truck, and can provide temporary space heaters or portable AC units for medically sensitive occupants when needed.
Are your technicians NATE-certified and what does that certification mean for me?
Yes. Every lead installer and service professional we send to your home holds North American Technician Excellence (NATE) certification. That means they have passed rigorous, proctored exams covering refrigeration, airflow, combustion, electrical components, and safety. NATE certification is the industry’s highest standard and must be renewed every two years through continuing education. For homeowners, it translates to: precise load calculations, correct refrigerant charging, proper duct sizing, fewer callbacks, protected manufacturer warranties, and systems that achieve their advertised efficiency ratings.
What energy-efficient equipment and rebates are available in Signal Mountain?
We offer ENERGY STAR high-efficiency air conditioners up to 20 SEER2, variable-speed heat pumps that qualify for the 30 % federal tax credit (up to $2,000), and dual-fuel systems ideal for our mixed climate. Local incentives include TVA EnergyRight rebates for heat pumps meeting minimum SEER2/HSPF levels, plus occasional promotions from EPB and Tennessee American Water for smart thermostats. Our office tracks all current programs, completes the paperwork, and submits proof of installation so you receive every dollar you’re entitled to without lifting a finger.
How much does a new HVAC system cost and what financing options do you offer?
Pricing depends on system size, efficiency rating, brand, ductwork condition, and optional upgrades such as whole-house dehumidifiers or air purifiers. In Signal Mountain, most homeowners spend $6,000–$12,000 on a full replacement, with high-end variable-speed or dual-fuel configurations running higher. We provide a no-obligation, line-item proposal so you can see exactly where your money goes. To make the investment manageable, we partner with trusted lenders to offer 0 % APR for 12 months, low-monthly-payment plans up to 120 months, and seasonal manufacturer rebates. Approval decisions are quick—often in minutes—and require only basic information.