2 system heating tune up performed today on a Carrier heat pump with air handler installed in 2017 and a Trane heat pump with air handler installed in 2023. All electrical connections are tight with no corrosion. Both systems have x13 blower motors that are working as they should. Both systems are clean. All heat strips are pulling proper amperage. The auxiliary motor start for the carrier heat pump is very weak and needs to be changed. Customer states that they have a home warranty that will change it. Highly suggest adding a compressor saver to each unit to help with the efficiency and reliability of the systems. The carrier air handler does not have any drain protection. Highly suggest adding drain protection to protect the home from water damage. Refrigerant levels are in range on both units.