AC performance tune up times two systems. Inspect blowers, evaporators and ductwork. Test thermostats for proper operations. Treat drain lines with white vinegar. Check outdoor units. Refrigerant levels good at this time. Test capacitors and contactors. Wash condenser coils. Systems operating at manufacturer specs at this time. Disconnect went bad after I turn them on after cleaning them I advised Alan that I bypassed it and that we would address it next year. Leaving quotes for 4 inch filter racks one for upstairs one for downstairs. Systems have always had a 1-inch filter rack. The downstairs is 20 x 25 x 4 and the upstairs is 14 * 25 * 1. Cost per filter rack is $299