Performed annual ac maintenance granite bay... upstairs unit by stairs worst filter, so most likely used most. Changed 4:x 20-25-1 filters. And 14-25-1 and still need to be changed. Washed 4 x condensers, hosing down coils and wiping down units. These are Rheem split systems 14-15 yrs old. And a wine fridge chiller. On the one unit has hard start kit. Dual capacitor 55-5 contactor old Need to reschedule to come back out and do other units if you would like to sign up on the memberships for those units.