Performed 1 system diagnostic. I failed blower motor, dirty, blower wheel, dirty evaporator coil filter was not changed for a year and a half, no TE flood protection, improper drain line pitch, upstairs thermostat, incorrect for heat pump, contactor pitted, dirty condenser coil, growth in air handler, and evaporator coil rusted. Unit is 19 years old and out of warranty. Would recommend replacement instead of repairs due to cost of repairs and unit being out of warranty. Unit is not operational at this time. Recommend scheduling an install supervisor. Based on our findings today, it might be time to think about getting a brand new system.