Tested all components all measured within ratings and specs. Refrigerant level is normal. Washed and cleaned condensers. Changed on upstairs unit downstairs filter did not need to be changed at this time. Recommend replacing uv bulb on upstairs system and upgrading to aprilaire filter customer agreed. Replaced uv bulb on upstairs unit and ordering aprilaire upgrade kit 20x25x4 will return to install once acquisition of part has been confirmed. Holding for parts.