OBJECTIVE To update previous GRI single-family data base using the latest version of DOE-2, more representative weather tapes, improved modeling techniques, and more recent data on typical building construction practices in the U.S. TECHNICAL A building loads data base for single-family detached buildings will help GRI PERSPECTIVE and its contractors to assess new gas technologies and target R&D efforts. This data base of building energy requirements augments the existing GRI loads data for the multifamily and office buildings sectors. The data base includes loads for various building end-uses such as space heating and cooling, water heating, and non-HVAC electricity. RESULTS The research has created a data base of hourly building loads using a state-ofthe-art building simulation code (DOE-2.1D) for 8 prototypes, representing pre-1940s to 1990s building practices, in 16 U.S. climates. The report describes the assumed modeling inputs and building operations, defines the building prototypes and selection of base cities, compares the simulation results to both surveyed and measured data sources, and discusses the results. The full data base with hourly space conditioning, water heating, and non-HVAC electricity consumption is available from GRI. In addition, the estimated loads on a per square foot basis are included as well as the peak heating and cooling loads.-ii-TECHNICAL Modeling assumptions and building characteristics were developed for 8 building APPROACH types representing pre-1940s, 1950-1970, 1980s, and 1990s construction practices. The 1980s prototypes were based on a statistical analysis of the 1987 RECS data. The thermal characteristics for the 1990s construction were developed to conform to the proposed ASHRAE 90.2 revision and the 1987 National Appliance Energy Conservation Act and its 1988 Amendments. These prototypes and assumed operating conditions were simulated using the DOE-2 model with WYEC and TMY hourly weather tapes. Engineering calculations were used to calculate water heating loads and non-HVAC electricity use. The results as annual loads data were binned in several formats and presented in the Appendices. PROJECT The development of a consistent set of buildin/_ energy requirements for proto-IMPLICATIONS typical single-family detached buildings will provide end-use data that can be used by GRI and its contractors to plan and ana!yze K&D programs. These single-family loads will provide the basis for future analyses of issues related to the use of advanced gas technologies.
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