AC performance tune up times three systems. Change. 103 filters that Tom supplied. Other two filters look new. Inspect blowers, evaporators and ductwork. Verified all primary drains are clear at this time. Checked Zone systems for proper operations. Test thermostats for proper operation. Check outdoor units. Added 1 lb r410a two main unit. We will monitor system to see if it needs more next year. If so we will give options. Test capacitors and contactors. Replace capacitor on master bedroom unit. Run capacitor comes with a five-year warranty. Washed condenser coils. Systems operating at manufacturer specs at this time.