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Duct Retrofit Strategy to Complement a Modulating Furnace.

Description: Some recent work (Walker 2001, Andrews 2002) has indicated that installing a modulating furnace in a conventional duct system may, in many cases, result in a significant degradation in thermal distribution efficiency. The fundamental mechanism was pointed out nearly two decades ago (Andrews and Krajewski 1985). The problem occurs in duct systems that are less-than-perfectly insulated (e.g., R-4 duct wrap) and are located outside the conditioned space. It stems from the fact that when the airflo… more
Date: October 2, 2002
Creator: Andrews, J. W.
Item Type: Refine your search to only Report
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