4, 6 - PVC Venting; Where are We?

<p>Back from their fancy trip to the Women in HVACR convention, The Boys roll back into the studio and try to put a cohesive thought together about the state of PVC venting. (Ewww, those Jerks make my blood boil!!! I really need to find another job; hmmm, maybe with the post office...)</p>