ARTI 21CR 605 30010 30020 01 STATE OF THE ART REVIEW WHOLE BUILDING BUILDING ENVELOPE AND HVAC COMPONENT AND SYSTEM SIMULATION AND DESIGN TOOLS Final Report February 2002 Authors P Jacobs H Henderson ARCHITECTURAL ENERGY CORPORATION 2540 Frontier Avenue Suite 201 Boulder Colorado 80301 CDH Energy Corp 132 Albany Street Cazenovia New York 13035 Prepared for the AIR CONDITIONING AND REFRIGERATION TECHNOLOGY INSTITUTE 4100 North Fairfax Dr Suite 200 Arlington Virginia 22203 Distribution A Approved for public release further dissemination unlimited DISCLAIMER This report was prepared as an account of work sponsored by the Air Conditioning and Refrigeration Technology Institute ARTI under its HVAC R Research for the 21st Century 21 CR program Neither ARTI the financial supporters of the 21 CR program or any agency thereof nor any of their employees contractors subcontractors or employees thereof makes any warranty expressed or implied assumes any legal liability or responsibility for the accuracy completeness any third party s use of or the results of such use of any information apparatus product or process disclosed in this report or represents that its use would not infringe privately owned rights Reference herein to any specific commercial product process or service by trade name trademark manufacturer or otherwise does not necessarily constitute nor imply its endorsement recommendation or favoring by ARTI its sponsors or any agency thereof or their contractors or subcontractors The views and opinions of authors expressed herein do not necessarily state or reflect those of ARTI the 21 CR program sponsors or any agency thereof Funding for the 21 CR program provided by listed in order of support magnitude U S Department of Energy DOE Cooperative Agreement No DE FC05 99OR22674 Air Conditioning Refrigeration Institute ARI Copper Development Association CDA New York State Energy Research and Development Authority NYSERDA Refrigeration Service Engineers Society RSES Heating Refrigeration Air Conditioning Institute of Canada HRAI Available to the public from U S Department of Commerce National Technical Information Service 5285 Port Royal Road Springfield VA 22161 703 487 4650 Available to U S Department of Energy and its contractors in paper from U S Department of Energy Office of Scientific and Technical Information P O Box 62 Oak Ridge TN 37831 423 576 8401 ARTI 21CR 605 30010 30020 01 STATE OF THE ART REVIEW WHOLE BUILDING BUILDING ENVELOPE AND HVAC COMPONENT AND SYSTEM SIMULATION AND DESIGN TOOLS Final Report February 2002 Authors P Jacobs H Henderson Prepared for the AIR CONDITIONING AND REFRIGERATION TECHNOLOGY INSTITUTE Under ARTI 21 CR Program Contract Number 605 30010 605 30020 ACKNOWLEDGEMENTS This report is the result of two projects completed for the Air Conditioning and Refrigeration Technology Institute ARTI The two research efforts were lead by Architectural Energy Corporation AEC and CDH Energy Corp Subcontractors participating in the project were Geopraxis Inc was responsible for conducting the key informant interviews and market research components of the project The Joint Center for Energy Management at the University of Colorado was responsible for conducting background research into the HVAC systems simulation capabilities of wholebuilding design tools Oak Ridge National Laboratory was primarily responsible for conducting background research into air conditioning and refrigeration equipment simulation tools The authors at AEC and CDH wish to acknowledge the contributions of the following people who were part of the project teams Fred Porter Michael Holtz and Laurel Van Driest AEC Daniel Ciolkosz CDH Energy Corp Tom Conlon Pat Bailey John Kennedy and Margie Stein Geopraxis Michael Brandemuehl and Peter Alspach the University of Colorado Keith Rice Oak Ridge National Laboratory We also thank the members of the project monitoring subcommittee at ARTI for their guidance and feedback through the process including Jerry Groff Drury Crawley Robert Howe John Andrews and Bill Murphy Also thanks to Fred Buhl at LBNL for his careful review of the early report drafts We are also grateful for the guidance and leadership of the other members of the System Integration SI committee as well as the ARTI staff including Elizabeth Jones and Glenn Hourahan Their vision and leadership on this joint effort were instrumental its success State of the Art Review of Whole Building Building Envelope and HVAC Component and System Simulation and Design Tools EXECUTIVE SUMMARY The goal of this project was to provide strategic insight into the requirements for software tools that can facilitate integrated energy efficient designs particularly in small commercial buildings The specific objectives of the project were to Understand user requirements among three key groups architectural designers engineering practitioners and design build contractors with particular attention to the needs of users from the small building design and construction market Survey existing tools in terms of their technical rigor modeling approaches to specific technologies and systems and ease of integration into the overall design process Evaluate existing tools relative to user requirements identify where users needs are not met where commercialization barriers may be occurring and where new tool capabilities may be needed Provide guidelines for further tool development to develop recommendations for improvements to existing tools and areas where additional R D or commercialization efforts may be needed To meet the research objectives emphasis was placed on characterizing the current use of software tools in the design community assessing the users perceived needs and identifying any barriers to adoption The project approach included the following steps 1 A literature and software review to identify the important design practice issues related to computer use in building design software availability and simulation model capabilities 2 A survey of top level software providers and users to assess the current use of whole building design methods and modeling tools in design practice 3 A web survey of over 200 design professionals to quantitatively estimate in several categories of building design decisions a time constraints and tool use b satisfaction with these practices and c priority for new software research and development 4 Focus groups in Denver Colorado and Syracuse New York to probe the significance of the
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