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02-25-2005, 10:44 AM #1
i was told by a reputable HVAC contractor that while a good product, Viessman offers no support or parts availability.
He thought Buderus was much better in those two categories PLUS was a superior product in terms of design.
As I have no way to refute his comments (or know if i should even try), i would appreciate any knowledgeable insights.