The ASHRAE Standard 152 spreadsheet tool, developed by Lawrence Berkeley National Laboratory, quantifies the delivery efficiency of duct systems, based on factors including location, leakage, and insulation of ductwork. Another tool, the Domestic Hot Water (DHW) Event Schedule Generator can be used to generate custom, realistic, year-long hot water event schedules for use in modeling water heaters and DHW distribution systems. When BEopt software is not used to model energy use, researchers may want to use the analysis spreadsheets to assist with many of the calculations and tables in the House Simulation Protocols report. BEopt software can easily be used to determine the most cost-effective solutions for each project.Īfter a project has been completed, the measures selected can be compared to the appropriate reference building using BEopt and the overall energy savings can be determined. With an overwhelming number of options and technologies on the market, it can be difficult to narrow down the best choices for reaching savings goals. Various climate regions, house sizes, and house ages require slightly different reference buildings this report guides the user through to the most appropriate fit for the project. Defining the appropriate reference building. The steps involved in conducting performance analysis include: These protocols are preloaded into BEopt and use a consistent approach for defining a reference building, so that all projects can be compared to each other. Building America's House Simulation Protocols report is designed to assist researchers in tracking the progress of multiyear, whole-building energy reduction against research goals for new and existing homes.
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