Completed with ac 2 on a 1998 Rheem gas horizontal in attic r22 for upstairs 2.5 ton and 2017 merit Lennox 3.5 ton gas horizontal in attic. Both units cooling at this time of check up. Found primary drain line clogged form main downstairs 3.5 ton, found upstairs blower motor leaking oil, weak capacitor with compresor pulling high along with pitted contactor, no secondary float switch and very dusty ducts. Giving customer the option to do all preventative repairs, minimum repairs or complete unit upgrade. Customer approved to replace capacitor for upstairs and flush drain line for main downstairs and requested pricing to replace upstairs. Customer not ready to replace unit at this time.