REVHA TRC Meeting, Brussels

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REVHA TRC Meeting, BrusselsProposal for new Task Force on‘Occupant-Centric Building Design and Operation’Andreas WagnerHead of Building Science GroupKarlsruhe Institute of TechnologyDepartment of Architecture

Background Occupant behaviour has a stronginfluence on building energy performance Reasons for occupants’ interventions: dissatisfaction with building automation interfaces are not designed/equipped forintended purpose designers / building managers do not fullyconsider –or understand– occupants’needs in building design Occupants have to be included into overallbuilding concept (by providing adaptiveopportunities) and into control strategy(with appropriate interfaces)IEA EBC Annex 79Occupant-centric building design and operation

International research activitiesIEA EBC Annex 66 (finished) Detailed review of data collection methods(sensors, research methods) Detailed occupant modelling guidelines andtheory Investigation of relationship between modelapplication and model complexity (fit for purpose) Understanding of occupant diversity modelling Comparison and evaluation of developed models Implementation and testing of occupant models invarious tools/obFMU Understanding of relationship betweenengineering and social science methods to studyoccupant behaviour 30 case study buildings

Objectives of running IEA EBC Annex 79(2018 – 2023, OAs: Liam O’Brien, Andreas Wagner) Improvement of knowledge about occupants’ interactions with buildingtechnologies. Specific focus on: comfort-driven (thermal, olfactory, visual, aural) actions caused by multipleand interdependent environmental influences which are not yet covered bycurrent models building technologies’ interfaces in terms of their suitability for takingadvantage of adaptive opportunities, and their effect on building energyconsumption Deployment of ‘big data’ (e.g. data mining and machine learning) for thebuilding sector based on various sources of building and occupant data as wellas sensing technologies Sustainable implementation of occupant behaviour models in buildingpractice guidelines / recommendations for standards for applying occupantbehaviour models during building design and operation focused case studies to implement and test the new models in differentdesign and operation phases in order to get valuable feedback

Scope of the Annex work Building up a framework for identifying and describing the main influencingfactors of occupancy and occupants’ actions in buildings and theirinterrelations All activities contribute to reduce operating energy of buildings, whileimproving comfort by offering applicable adaptive opportunities tooccupants Focused case studies as a platform to implement, test and demonstratenew models and guidelines emerging from Annex research in a real buildingcontext during different design and operation phases Primary focus on office and residential buildings though developedmethodologies can also be applied to other building types Recommendations and guidance for further development of standards andcodes Research methods from various domains like engineering, architecture,information technology, psychology, social sciences, etc.IEA EBC Annex 79Occupant-centric building design and operation

Organisation of Annex 79IEA EBC Annex 79Occupant-centric building design and operation

Proposed activities for REHVA TRC Focus on application of occupancy and occupant behaviour models in buildingdesign and operation Documentation of best-practices for occupant-centric design workflows, andoptimal control strategies Collection of case studies/demonstration projects, including lessons learned Development of guidelines for designers and building operators in order toimplement occupant behaviour models in building practice Recommendations on occupant modelling in building energy codes Recommendations for standards on occupant metering/sensing infrastructureand controlsIEA EBC Annex 79Occupant-centric building design and operation

Proposed activities for REHVA TRCFirst steps: “Advertisement” of Task Force, recruiting participants Organization of a meeting (either web-based or during an internationalconference) Development of a work plan, establishment of work groups Outcome: REHVA GuidebookContact: Andreas Wagner, Karlsruhe Institute of Technologywagner@kit.eduIEA EBC Annex 79Occupant-centric building design and operation

Andreas Wagner Head of Building Science Group Karlsruhe Institute of Technology Department of Architecture. Background Occupant behaviour has a strong influence on building energy performance Reasons for occupants’ interventions: dissatisfaction with building automation interfaces are not designed/equipped for intended purpose designers / building managers do not fully consider –or .

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