Air conditioning tune-up and safety inspection. Cleaned and serviced the condensing system. First visit on the new VIP service plan. Old R22 refrigerant system. Tested all mechanical components. Found the contactor pitted and corroded. Replaced using a 1+ shunt. Tested compressor amperage and fan motor amperage. Both are in the acceptable range. Checked R22 refrigerant level. They are in the accurate efficiency range. Changed the furnace filter that the customer provided. Giving a customer an estimate for a new cooling system due to the age of the equipment. The system is clean, cooling, and operating properly at this time. Performed a free plumbing inspection