Performed ac diagnostic 25 yr old rooftop Trane package unit. Found unit running just very high refrigerant pressures. Ecobee thermostat operational. Started to clean condenser coils numbers went way down. 66/260 went to 60/190... water coming off coil brown to start. let system run to verify working and Inside house dropped 6 degrees. System working well at this time Signed up on annual maintenance plan, and performed the ac visit today to help lower the costs.