2 system home. Both systems installed last year. Downstairs: Goodman gas furnace with straight cool condenser. All electrical connections are tight with no corrosion. Ecm blower motor is acceptable. Blower wheel and evaporator coil are clean. Dual run capacitor is within tolerance. Refrigerant levels are in range. Compressor and condenser fan motor are acceptable. Upstairs: Goodman gas furnace with strip cool condenser. All electrical connections are tight with no corrosion. Ecm blower motor is acceptable. Blower wheel and evaporator are clean. Compressor and condenser fan motor are acceptable. Refrigerant levels are in range. Neither system has any water protection. Told customer about a drain switch and that code requires some sort of water protection device. She is going to speak with the builder to see if one can be installed under the 1 year builder warranty.