AC Maintenance Checklist for Florida Homes

What you can do

• Replace or clean the filter every 1 to 3 months, more often with pets or construction nearby
• Keep 2 feet of clear space around the outdoor unit; trim plants and remove leaves
• Pour a cup of white vinegar into the drain line access every few months to slow algae
• Keep supply vents and returns open and unblocked by furniture
• Watch for warning signs: weak airflow, water near the air handler, new noises, or higher bills

What a professional tune-up should include

• Clear and treat the condensate drain line
• Rinse the outdoor coil and inspect the indoor coil
• Test the capacitor, contactor, and electrical connections
• Measure refrigerant pressures and the temperature split
• Check the thermostat and blower, and give you the readings in writing

How often

Twice a year is ideal in Miami: once before the hottest months and once after. At a minimum, schedule one professional tune-up a year. Many manufacturer warranties also expect regular maintenance.

What it costs

A one-time tune-up for one system is $119 to $169 in Miami-Dade. An annual plan with two visits is $199 to $299.

Need help with this?

In South Florida the air conditioner runs almost all year. A tune-up catches small problems early, keeps the drain clear, and helps the system use less power.