2023 Ducane Airhandler Checked and tightened all electrical connections Customer recently changed filters Drain was clear and draining at this time Heat strips were functional and within manufacture range Blower motor and wheel were acceptable Evaporator coil was acceptable Biological growth is beginning to grow in Airhandler 2023 Ducane Heatpump Checked and tightened all electrical connections Dual run cap was within manufacture range Primary electrical unit was acceptable Defrost board was acceptable Refrigerant levels were acceptable at this time Fan blades and motor were acceptable Condenser coils were acceptable Cleared debris from the bottom of the unit Washed condenser coils from the inside out Waxed the top of the unit Recommended Micro Air soft start for hard starts and UV system to kill biological growth and promote clean air