Online News-<I>PM</I> Survey Indicates Strong Preference For I=B=R Schools
A recent survey performed by PME's sister publication, Plumbing & Mechanical , found that the I=B=R Schools remains a well-known brand name in hydronic education.
PM sent surveys to 1,500 respondents, split basically down the middle between subscribers and contractors who had attended an I=B=R seminar in the past year.