2016 Intertherm Airhandler Checked and tightened all electrical connections Customer recently changed filters Drain was clear and draining at this time Blower motor and wheel have dust, dirt and Biological growth build up Evaporator coil has dust dirt and Biological growth build up Evaporator coil also have heavy rust build up around U joints Heat strips were functional and within manufacture range 2016 Carrier Straight Cool Checked and tightened all electrical connections Dual run cap was weak on fan side Primary electrical unit was acceptable Unable to check refrigerant levels at this time due to low temps Compressor is over LRA rating.