Inside and outside units were up there model numbers and serial numbers. Both units were sticker slot with Hot 2 Cold stickers. No problems. Only concern was last time was here. Did a polling clean. The cold are very, very dirty ever since those look pretty well no problems with the unit unit has not done no error codes in the last 30 days Did a sub cooling and sub heating check sub cooling around 8.5 sub heat was running around 10 on that it is a man of inverter system so does run out multiple stages no issues before leaving.
