Performed diagnostic on 15yr old Goodman unit, upon arrival customer stated unit was working properly, checked tstat, cycled to ac mode, unit started up, replaced customer provided filter, checked blower wheel, found impacted, recommended pulling and cleaning, blower capacitor reading below specs, recommend replacing capacitor, inspected outdoor unit found impacted condenser coil, recommend chemical cleaning, checked contactor, capacitor, found capacitor reading below specs, recommended replacing, checked pressures, temp split, spoke with customer about age of unit and recommend install supervisor, customer declined not trying to replace unit even tho she knows the age , gave options, customer chose option b, replaced both capacitors, pulled and cleaned blower wheel, chemical cleaned condenser coil, unit working properly at time