Spring HVAC Repair Service for a residential homeowner in Wylie with an A/C system not working. Upon arrival re inspected units. Outdoor coils had slight dust on them, took panels off and sprayed off with water hose to clean. Found that the return by downstairs thermostat was humming/rattling a little, screwed return door shut so noise would stop, filter gets replaced At the unit. For the insulation on the suction line outside was only missing about two inches of insulation. Both systems are working properly. Customer happy on departure.