Arrived on site to perform convoy tune up. On a 1 year old unit. Cycled both heating and cooling. Good. Filter was replaced. Both motors are operating properly. Temperature rise and color is good in heating and cooling. All safety switches are operational. Washed condenser unit outside. Primary and secondary motor controls are good. Amp draws on compressor and fan motor are both good. Unit is cooling at 22 degrees and is good and hold pressure. Start up amps are good. No protection on unit. Recommend adding surge protectors to unit for protection. Cycled units and hetIn GB and cooling good. Client is aware of unit and how it’s running. Filter was replaced and will talk tp daughter about maintenance plan. Unit is operational upon departure. Will have office follow up for maintenance plan. Client is aware and okay with so.