Garage unit- changed customer provided filter. blower motor wheel has substantial buildup accumulating. Blower motor is leaking oil- motor is a sealed motor and should not be leaking oil, this is an indication motor is starting to fail. System is 15 years old- recommend getting quote for replacement before doing repair. Crawl unit- system is functioning properly at this time, recommend adding Air scrubbers to both systems to help combat bacterial growth. Current uv system that is in place is for coil protection only and does not protect indoor air quality