Full-system HVAC installation in Franklin, TN.
Replacing an entire heating and cooling system is a $12,000 to $22,000 decision most Franklin homeowners make three times in their lives. Climate Pro walks it through with real numbers, no pressure, and a properly sized system that fits your home's actual load - not a guess.
HVAC Installation done right, the first visit.
Manual J load calculation
Real math on your home's square footage, insulation, window load, and orientation. Not a rule-of-thumb 'ton per 500 square feet' guess.
System options in writing
Heat pump plus air handler, gas furnace plus AC, or dual-fuel - with cost, efficiency, expected operating cost, and warranty for each on one comparison page.
Free duct cleaning included
Whole-system NADCA-aligned duct clean included with every full-system install. Never install new equipment onto dirty ductwork.
Free smart thermostat
Ecobee or Honeywell smart thermostat included, professionally installed and paired with the new system.
Year of maintenance included
Spring AC tune-up and fall heating tune-up in year one, free. The system stays under warranty and performs at spec.
0% financing available
Approved credit gets 0% APR for 12 to 60 months on qualifying systems. Real financing paperwork, no hidden dealer fees.
Ready when you are
Need hvac installation in Franklin today?
Talk to a local Franklin technician. Same-day appointments available across Williamson County.
Serving Franklin and surrounding neighborhoods.
Climate Pro has been the trusted HVAC partner for Franklin homeowners since 2000. Our technicians live here, work here, and know the building stock by street.
- Westhaven
- Cool Springs
- Berry Farms
- Fieldstone Farms
- McKay's Mill
- Ladd Park
- Downtown Franklin
- Carnton
- Echelon
- Tollgate Village
- Sullivan Farms
- Polk Place
Local to Franklin and nearby.
Our shop is in Brentwood, just minutes from Franklin. That's why we can usually be on-site the same day for hvac installation calls in your neighborhood.
Phone
(615) 254-6283When Franklin homeowners actually replace
Full HVAC replacement in Franklin usually gets triggered by one of four things: the compressor fails on a system past 12 years, a heat exchanger cracks on the furnace, R-22 refrigerant leaks past the point where a repair makes financial sense, or the second major repair in 18 months tips the math against fixing it again. If any of those describes your situation, replacement is the right call. If they don't, you may only need a repair - and we'll tell you that honestly.
What "full system" actually means
A proper HVAC replacement is more than swapping the outdoor unit. It's the condenser, the indoor air handler or furnace, the evaporator coil, the refrigerant lineset (if damaged or wrong size), the thermostat, and often the drain pan and float switch. Installing a new outdoor unit onto a 15-year-old indoor coil is a shortcut that voids manufacturer warranties and cuts the system's actual efficiency by 20 to 30 percent. We don't do it. We quote the whole system properly the first time.
For homeowners considering an AC-only replacement (matching new cooling to an existing recent furnace), that path is legitimate when the furnace is under 8 years old and correctly sized. We spell out both options.
Heat pump, gas furnace, or dual-fuel?
Franklin sits right at the climate line where all three make sense depending on the home. Modern variable-speed heat pumps handle Middle Tennessee winters efficiently down into the 20s and pair with a resistance backup coil for the rare deep-cold nights. Gas furnace plus AC still wins on operating cost for homes with existing natural gas service and long winter runs. Dual-fuel - a heat pump paired with a gas furnace as backup - gives you the best of both, at higher up-front cost.
Our proposal shows all three where they apply, with real 12-month operating cost estimates based on current TVA rates and Piedmont Natural Gas pricing. For the underlying math on how these systems are priced, tax-credited, and financed, see our 2026 HVAC cost guide. For financing terms, see our HVAC financing page.
The installation itself
A standard Franklin single-system replacement is a one-day install. Larger dual-system homes run one and a half to two days. We protect flooring on the path to the equipment, pull the old system out, install and commission the new equipment to manufacturer spec (proper refrigerant charge, static pressure, temperature split, and gas pressure), and walk you through the new thermostat before we leave. Every install is registered with the manufacturer for full warranty coverage and filed with TVA EnergyRight or the federal 25C tax credit where the equipment qualifies.