Ashrae Hand Book

visit mininova.org/tor/2060850
;)

There is more books here for you.

Handbook of Air Conditioning and Refrigeration (2nd Edition)
mininova.org/tor/1875739

Refrigeration and Air-Conditioning, 4th mininova.org/get/2479112n

Fine Tuning Air Conditioning & Refrigeration Systems
mininova.org/tor/2479105

Hope this can be of help.:)

Or, if anyone is interested in a more *ahem* legal means of getting their hands on an ASHRAE handbook, I've seen them used on Amazon.com occasionally.