On arrival set units to call for heat measured supply and return air temp measured voltage and amps inspected electrical connections checked water pressure and drains. Inspected coils,blowers,found main house unit has a bad cap rated 45 and actual 36 .also noticed a leak on top of water heater at the 1/2 ball valve.also notice some Bactria growth on the outside and inside of main house attic unit and also addition attic unit has some Bactria growth inside of the unit .i recommended installing uv light to prevent any future growth of Bactria .also replaced replaced provided filters . Main house garage unit was not working .found system locked on fp .checked water flow ,checked pressure drop ,ohmed sensor .checked refrigerant pressure ,reset system .also spoke to tech support .unit operating normal at this time.