The bare minimum basic repairs to get the system running today. Performed 3 system homecare. Check and changed filters with 1 inches filters. Units are all 4 inches filters will need to bring them for each maintenance. Check and tested electrical, found main and upstairs unit with dirty blowers, none of the systems have te standard flood protection, recommend adding IAQ blue tube to each unit to prevent growth on all systems. Also quoted steam humidifier for main level unit will need to schedule electrical and plumbing if custimer signs estimates. Units are operations at this time.