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AC repair in Miami, FL: local costs, licensed pros, what to check first

HeatCoolVerdict is not a contractor. We help Miami homeowners work out what is wrong with their AC, what a fair repair looks like, and whether to repair or replace. When you are ready, we connect you with a company licensed in Florida.

Updated November 2026 · General guidance, not an on-site diagnosis

Before you call anyone in Miami

Most service calls start with one of a handful of symptoms. A few of them have causes you can rule out yourself in five minutes, such as a tripped breaker, a clogged filter or a thermostat setting. Start with the guide that matches what your system is doing.

AC not blowing cold air?AC not blowing cold air: three safe checks to do now, the six most likely causes in order, what a technician will test, and when it points to replacement.AC not turning on?AC not turning on? Work through the thermostat, breakers, power switch and drain safety switch, then see the likely causes and what a technician will test.AC running but not cooling the houseAC running but not cooling the house? Safe checks to do first, the likely causes in order, what a tech will measure, and when the system is simply too small.AC leaking water insideAC leaking water inside the house? Turn it off, check the drain line and pan, and see the likely causes, what a technician will do, and what you can clear.Frozen AC unit or evaporator coilAC unit frozen or ice on the evaporator coil? How to thaw it safely, the airflow and refrigerant causes behind it, and what a technician will check.Outside AC unit not runningOutside AC unit not turning on while the indoor fan runs? Safe checks, the likely causes from breaker to compressor, and what a technician will test.

Hire a licensed FL contractor

Florida requires HVAC contractors to be licensed. Look up the license before you sign anything, and ask for the quote in writing with the model numbers on it.

Florida contractor license lookup

More for Miami

AC installation and replacement in Miami, FLAC installation in Miami: what replacement involves in year-round heat and humidity, sizing, what a quote must list, DBPR and license checks.

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