Conventional heat exchangers can extract more heat with mechanical improvements but also by reducing acid dew point. Advanced heat exchangers can reduce temperature to ambient and substantially improve efficiency. Three questions are materials of construction, elimination of fouling, and uses for the heat. We will briefly cover previous Webinar presentations showing that the dust can be removed economically at 850°F.  We will review the URS, Mitsubishi, and Hitachi solutions to lowering the acid dewpoint. Vendors will also weigh in on materials of construction. McIlvaine will review the original CHX/ B&W work at Consolidated Edison. We are looking for knowledgeable panelists for this discussion.