Performed 1 system diagnostic for main level unit. Found unit to be R22 ac/ coil are 42 years old, furnace was 10 years old out of warranty. Found failed ecm blower, dirty blower, non insulated transition to the coil, unit low on charge ,rusted evap coil, no pan and no flood protections. Due to age of unit cost of repairs. Recommended joining homecare and replacing system. Based on our findings today, it might be time to think about getting a brand new system.