it looks like 1995 sound about right?
YZB03011 mfg in 2004 and 2005. 28,600 BTU w/12.5 SEER rating.
You must be using the PrestonGuide; do you recommend it?
Sorry for the confusion i was going by a old guide Guys
It doesn’t find them all, but it helps.
John Bowman has a good website for various A/C manufacturers, etc.
Have you ever looked at his website?
He also has Water Heater information available.