Arrived for STU filter clogged and stick in unit Homeowner is not using the April Aire filters that fit in the box Recommend switching back to the April Aire filters due to compatibility with current filter box UV system completely failed and needs to be repaired or replaced Blower and coil dusty from bypass air Washed Condenser coil Capacitors Motors and refrigerant fine Homeowner will discuss with her husband when he gets home and get back to us