The following is the HVAC maintenance checklist for a homeowner that you should follow to guarantee that everything runs smoothly:
Ensure that the outdoor unit is clear of dust.
Check for correct refrigerant levels.
Replace or clean the air filter.
Examine the airflow to ensure there is no obstruction.
Clean air vents.
Clean condensate unit.
Clean the indoor and outdoor coils.
Examine the drainpipe and drain pan on your evaporator coil.