just wondering if the new code book is what the tests are based on now or is the previous edition still being used.
also what is the difference between them, major changes or just a new book with the supplements the last couple years included?
thanks
In Ontario the legal code is the B149.1S1-07 (which is the B149.1-05 with supplements), and the TSSA exams should be based on it.
UPDATE 12/01/2012 - See this post - Here (http://www.hvactechgroup.com/hvacforum/index.php?topic=1116.0)