heating pm check complete. Changed filters. Found front office furnace blower motor controller running weak, recommend repair. Found suite b air handler with mold, recommend Apco uv light system to kill mold. Found dirty blower wheel, recommend cleaning. Found back office blower motor controller running weak, recommend repair. Back office blower wheel is very dirty, recommend cleaning. Suite c Lennox heatpump has a weak outdoor fan motor controller, recommend repair. Systems are heating at this time.