Renew 2 Comfort Club Memberships and complete 2 a/c repair and preventative maintenance checks. Change 2 filters, checked drains and cleaned a/c coils. Recharge both systems with r22. Install compressor saver hard start kit to the upstairs system. Both system operating at this time. Both systems are 20-year-old and have stressed compressors and worn motors due to age but still operating at this time. Need to keep a check on contactor due to pitted and worn part.