Expert Forums: Heat Transfer Topic: Re: Rating Air-Cooled Heat Exchangers 11 February 2009 posed by Typically, one would use an exchanger rating software to provide guidance. However, there are methods described in Chapter 9 of “Process Heat Transfer” by Hewitt, Shires & Bott (Begell House Publishers, 1994). Have an insight or suggestion? Login or register to post a comment. Login or register to post a comment.