What a thorough tune-up generally includes
- Cleaning the outdoor condenser coil and clearing debris from around the unit.
- Checking and clearing the condensate drain and testing the float switch.
- Inspecting and, where needed, cleaning the evaporator coil and blower wheel.
- Measuring refrigerant pressures and temperature split to verify performance.
- Testing capacitors, contactors and motor amp draws for early signs of failure.
- Verifying thermostat operation and calibration.
- Checking duct connections and visible insulation.
- Replacing or checking the filter and noting the correct size for the homeowner.
When to schedule in North Florida
Late winter through early spring is the practical window — before the first stretch of 90-degree days, while providers are less swamped. A second check late in the season is worthwhile for drain lines, which are the top cause of mid-summer shutdowns.
Heat pumps benefit from attention before both seasons, since they run year round.
What maintenance actually prevents
It does not prevent every failure. Compressors and motors sometimes fail without warning. What it does reliably reduce is the category of failures caused by accumulation: clogged drains, dirty coils, restricted airflow, frozen coils and heat-stressed electrical parts.
It also catches components that are drifting out of spec, which turns an emergency call into a scheduled one.
What homeowners should handle between visits
- Change the filter on a schedule you actually keep — every 30 to 60 days for a one-inch filter in heavy use.
- Keep two feet of clearance around the outdoor unit and rinse pollen off the coil in spring.
- Watch for water near the air handler and for musty smells.
- Note any change in run times, noises or comfort and mention it at the next service.
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Frequently Asked Questions
At least once a year, and many homes here do well with two visits given the length of the cooling season and how quickly condensate drains foul.

