Upon arrival performed maintenance maintenance on two HVAC systems. Opened up condensers and washed both systems out completely. Verify temperature splits are in range. Filters are still good will need to replace next season. Amperage is through our system are in range. Washed and waxed furnace cabinet. Made sure all low-voltage connection is intact and not loose. Indoor motors and wheels are good. Lineset is good. Coils are good. Insulation on lines good. Refrigerant caps on. Thermostats in working order. System was reset tested and fully functional upon departure.