Performed a tune-up on a goodman unit. Unit was washed and waxed, checked all electrical connections and were tight, all electrical components were pulling proper amperage, auxiliary motor start pulling proper ratings. Inside unit had old filter changed out to a new filter that customer had, all electrical connections were tight and pulling proper amperage, blower motor was acceptable, evaporator was acceptable. Recommended customer a iaq200 UV system in order to avoid bio growth on inside unit, a soft start on outdoor unit customer said that he will be talking with his wife about it