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Title: Evaluating Ventilation Systems for Existing Homes.
Author: Aldrich, R.; Arena, L.
Pages/Volumes: 35 pp.
Publication Year: 2013
Notes: Work performed by Consortium for Advanced Residential Buildings (CARB), Norwalk, Connecticut.
Document Type: Subcontract Report
NTIS/GPO Number: 1064546
Subject Code Description: Buildings; Electricity, Resources, and Buildings Systems
Abstract: During the course of this project, an affordable and high performance ductwork system to directly address the problems of thermal losses, poor efficiency, and air leakage was designed. To save space and enable direct connections between different floors of the building, the ductwork system was designed in such a way that it occupied interior or exterior frame wall cavities. The ductwork system satisfied building regulations for structural support when bridging multiple floors, the spread of fire and smoke, and insulation to reduce the heat flow into or out of the building. Retrofits of urban residential buildings will be the main focus for the application of this ductwork system. Highly reflective foils and insulating materials were used to aid in the increase of the overall R-value of the ductwork itself and the wall assembly. It is expected that the proposed system will increase the efficiency of the HVAC system and the thermal resistance of the building envelope. The performance of the proposed ductwork design was numerically evaluated in a number of different ways. Our results indicate that the duct method is a very cost attractive alternative to the conventional method.
Accession Number: 56988
Library Notes: NPL-1302 REV
Report Numbers: SR-5500-56988; DOE/GO-102013-3823

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