Arrived on site to perform spring tune up on 1994 unit. Condenser located in side of house and furnace and Evaporator coil located in attic. Client stated no issues as she doesn't use Ac barely at all. Cycled unit. Washed out door condenser inside and out unit. Checked electrical compartment and components. Primary good slightly pitted and secondary motor controls are both good for compressor and fan motors. Checked amp draws on compressor and fan motor. Compressor start up amps are due to age and wear in past years. Run amps are good and in range. Fan motor is old and has slight oil dried up from past. Motor has high amps and could be failing in future. System pressure are in range and stable. System contains R-22 that is no longer in production and has been phased out by the EPA. No protection on unit. Cycled unit. Inspected indoor unit. Filter was really hammered and restricted, clogged. Client due smoke consistently in home. Advised need to be replacing filter at most 3 months. B