Super tune up performed today on a two system home with Goodman gas furnaces installed in 2021. All electrical connections are tight with no corrosion. Gas valve, burners, igniters and heat exchangers are all acceptable. Blower wheels and evaporator coils are clean. Compressors and condenser fan motors are acceptable. Both outdoor units were washed and waxed. Suggest adding a compressor saver to each outdoor unit to help with the efficiency and reliability of the compressor. Also suggest adding. An IAQ 300 Germicidal System to help improve air quality.