2023 Ducane Airhandler Checked and tightened all electrical connections Customer recently changed filter Drain was clear and draining Heat strips were functional and within manufacture range Blower motor and wheel were acceptable Evaporator coil has biological growth build up 2023 Ducane Straight electric Checked and tightened all electrical connections Dual run capacitor was within manufacture range Primary electrical unit was acceptable Refrigerant levels were acceptable at this time Fan blades and motor were acceptable Condenser coil was acceptable Washed Condenser coil from inside out Cleared debris out of unit Waxed top of unit Recommended uv system for biological growth inside system, Customer wanted to call the office and talk about uv systems