Performed 1 system diagnostic for whole home. Unit is 12 years old out of warranty and is also zoned. Found dirty blower wheel, rusted out evap coil, clogged drain line, water in pan, dirty condenser, blower motor drawing high amps and no te standard flood protections, also recommend replacing contactor as well as outdoor dual capacitor. Due to age of units and cost of repairs. Recommended replacing system. Based on our findings today, it might be time to think about getting a brand new system.