Preformed cooling maintenance to American standard 2020 1 system zoned. Tested all electrical components on inside unit and all were testing within manufacture specifications. Temperature split was 18 degrees across the indoor coils. Replaced filter 20x25x1. Plenums and ducts could use some cleaning. Provided estimates for upgraded filter cabinet and cleaning, also provided estimate for levels 2 and 3 duct cleanings. Blower motor tested within manufacture specifications. Blower has some build up and could benefit from a cleaning. Proceeded outside to test start and run amps and electrical components on the outdoor unit. All electrical tested within manufacture specifications. Run and start amps were testing within manufacture specifications range. Unit is blocked by a bush which can cause airflow issues if not addressed. Rinsed outdoor coils. Unit was cooling upon departure.