Florida Cool Heating and Air LLC

St. Johns County, FL

HVAC Service Throughout St. Johns County

Florida Cool Heating & Air serves homeowners across St. Johns County with professional heating and air conditioning repair, installation, and maintenance. License CAC1823163.

Call (904) 547-1749Request Service

Serving St. Johns County Homeowners

St. Johns County is one of Florida's fastest-growing counties, home to St. Augustine, Ponte Vedra, Nocatee, and a wide range of residential communities. Florida Cool Heating & Air provides licensed HVAC service throughout the county, from historic neighborhoods to new construction developments.

Why St. Johns County Homeowners Choose Florida Cool

Florida Licensed

Florida HVAC contractor license CAC1823163 — verifiable through the Florida DBPR.

Clear Communication

We explain what we find and what your options are before any work begins.

Thorough System Evaluation

Every visit includes a complete assessment of your system's condition.

Direct Phone Access

Reach us directly at (904) 547-1749 — no call centers.

Full-Service HVAC

Repair, installation, replacement, and maintenance all under one license.

County-Wide Coverage

We serve communities throughout St. Johns County.

When Your AC Fails

AC Problems We Solve in St. Johns County

St. Johns County is one of Florida's fastest-growing counties, with a mix of new construction and established neighborhoods. When your air conditioner fails, Florida Cool is ready to help homeowners throughout St. Johns County — from Nocatee to Ponte Vedra to St. Augustine.

AC Not Cooling

If your system runs but the air is warm or barely cool, the cause could be low refrigerant, a dirty coil, a failing compressor, or restricted airflow. We diagnose before recommending any repair.

AC Won't Turn On

A system that won't start may have a tripped breaker, a failed capacitor, a faulty thermostat, or a safety shutoff. We trace the issue systematically.

Warm Air from Vents

Warm air from a running system often points to low refrigerant, a frozen evaporator coil, or a problem with the outdoor condenser unit.

Water Leaking from the Unit

A clogged condensate drain is the most common cause of water leaking from an indoor air handler. We clear the drain and inspect for underlying causes.

Frozen Evaporator Coils

Ice on the indoor coil usually means restricted airflow or low refrigerant. Running the system while coils are frozen can damage the compressor.

Thermostat Problems

A thermostat that reads incorrectly or won't hold a setting can make a functional system behave erratically. We test the thermostat and wiring as part of every diagnostic.

Strange Noises

Banging, rattling, squealing, or grinding sounds are worth investigating. Loose components and worn bearings are common culprits.

Burning Smells

A burning smell from your vents can indicate an overheating motor or an electrical issue. Shut the system off and call us.

Short Cycling

A system that turns on and off repeatedly without completing a full cooling cycle stresses the compressor and leaves your home uncomfortable.

Emergency Breakdowns

When your AC fails completely, call Florida Cool at (904) 547-1749. Describe what your system is doing and we will work to get a technician to your St. Johns County home.

Call (904) 547-1749
Making the Right Call

Repair or Replace? What St. Johns County Homeowners Should Know

Whether to repair or replace depends on the age of your system, the cost of the repair, and how the system has been performing. St. Johns County's rapid growth means many homes have newer systems, but older homes in established areas may have equipment approaching the end of its useful life.

When Repair Often Makes Sense

  • The system is less than 8–10 years old and has been well maintained.
  • The repair cost is less than half the cost of a comparable replacement system.
  • The failure is an isolated component — a capacitor, contactor, or drain line.
  • The system is cooling effectively when it is working.

When Replacement May Be the Better Option

  • The system is 12–15 years old or older. Florida's climate shortens the useful life of HVAC equipment.
  • You are facing a major repair on an older unit — compressor replacement or refrigerant system overhaul.
  • The system uses R-22 refrigerant, which is no longer manufactured and is expensive to source.
  • Energy bills have been climbing despite normal usage.
  • The system has required multiple repairs in a single season.

Florida Cool will give you a straight assessment of your system's condition and what your options are. We do not push replacement when repair is the right call.

Service Coverage

St. Johns County ZIP Codes We Serve

Florida Cool serves homeowners throughout St. Johns County, from Ponte Vedra to Nocatee to the historic St. Augustine area.

32033

Elkton

32043

Green Cove Springs

32068

Middleburg

32080

St. Augustine Beach

32082

Ponte Vedra Beach

32084

St. Augustine

32086

St. Augustine

32092

St. Augustine

32095

St. Augustine

32259

St. Johns

St. Johns County HVAC Questions

Need HVAC service in St. Johns County?

(904) 547-1749

Schedule HVAC Service in St. Johns County

Call Florida Cool Heating & Air to schedule service or ask a question about your system.

Call (904) 547-1749Request Same-Day Service