Install Central A/C Cost in Saint Augustine, FL in 2026
Most Install Central A/C projects in Saint Augustine, FL cost between $3,700 and $12,000. The typical price is $6,500.
Central AC alone, reusing the existing furnace and ductwork.
Saint Augustine prices track the national average closely. Costs here are close enough to the national picture that the adjustment barely moves the number.
What drives the price
- System size in tons and efficiency rating
- Heat pump versus furnace plus AC
- Ductwork condition and whether it is replaced
- Electrical or gas line changes
Usually included
- Equipment and refrigerant lines
- Installation, startup and commissioning
- New thermostat
- Haul-away of the old unit
Usually extra
- Duct replacement
- Electrical panel upgrades
- Permits and inspections
HVAC contractors in Saint Augustine, FL
Businesses listed on Google near Saint Augustine, FL. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Snyder Air Conditioning, Plumbing & Electric
4.9(2,585 reviews)
83 Orange St, St. Augustine, FL 32084
AC Designs Heating and Air Conditioning
4.7(1,366 reviews)
3370 Agricultural Center Dr, St. Augustine, FL 32092
Action Heating and Air Conditioning,Inc.
5.0(624 reviews)
134 Masters Dr, St. Augustine, FL 32084
Gibson's Heating and Air Conditioning LLC
4.9(695 reviews)
301 Marshall Cir, St. Augustine, FL 32086
Powell Heating & Air Conditioning, Inc.
4.9(673 reviews)
2610 Dobbs Rd, St. Augustine, FL 32086
Atlantic Mechanical AC
5.0(559 reviews)
427 FL-207 #105, St. Augustine, FL 32084