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This product is a PDF that contains links to files that consist of PowerPoint slides synchronized with the audio-recording of the speaker, PDF files of the slides, and audio only (mp3 format) as noted.

This session addresses the process and challenges of creating calibrated energy models of existing buildings. A calibrated energy model of an existing building can assist with the decision process in adopting energy conservation measures; however, the process of modeling an existing, occupied building can be difficult. Challenges include incorporating variations in occupant behavior and building internal loads, modeling the actual and sometimes varying HVAC and lighting controls, and modeling malfunctioning equipment. Utility data can provide some guidance, but often only provides a vague energy profile for the building, and rarely provides information about the individual building energy end-uses.

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Citation: ASHRAE Seminar Recording, 2011 Winter Conference, Las Vegas, NV