2011 American Standard Airhandler Checked and tightened all electrical connections Heatstrips were functional and within manufacture range Drain was clear and draining at this time Customer recently changed filters Blower Motor and wheel has slight dust and dirt build Evaporator coil has slight biological growth Airhandler cabin has heavy biological growth build up 2019 American Standard Heatpump Checked and tightened all electrical connections Dual run capacitor was weak and out of manufacture range Primary electrical unit was acceptable Defrost board was acceptable Defrost is functional Refrigerant levels were acceptable at this time Fan blades and motor were acceptable Condenser coils were acceptable at this time Cleared debris from the bottom of the unit Washed condenser coils from the inside out Recommended UV system for biological growth and clean air, dual run cap and compressor saver