I found it in their catalog. You’ll need your model or series. After all the specs there were some efficiency/temp tables. It was under Pros (vs homeowner) -> USA -> product support -> catalog -> m and p series.

Catalog:

https://mylinkdrive.com/viewPdf?srcUrl=http://enter.mehvac.c...

pocket guide:

https://mylinkdrive.com/viewPdf?srcUrl=http://enter.mehvac.c...