An innovative user feedback system for sustainable buildings

Michael Monsberger, Daniela Koppelhuber, Vedran Sabol, Heimo Gursch, Adrian Spataru, Oliver Prentner

Research output: Contribution to journalConference articlepeer-review


A lot of research is currently focused on studying user behavior indirectly by analyzing sensor data. However, only little attention has been given to the systematic acquisition of immediate user feedback to study user behavior in buildings. In this paper, we present a novel user feedback system which allows building users to provide feedback on the perceived sense of personal comfort in a room. To this end, a dedicated easy-to-use mobile app has been developed; it is complemented by a supporting infrastructure, including a web page for an at-a-glance overview. The obtained user feedback is compared with sensor data to assess whether building services (e.g., heating, ventilation and air-conditioning systems) are operated in accordance with user requirements. This serves as a basis to develop algorithms capable of optimizing building operation by providing recommendations to facility management staff or by automatic adjustment of operating points of building services. In this paper, we present the basic concept of the novel feedback system for building users and first results from an initial test phase. The results show that building users utilize the developed app to provide both, positive and negative feedback on room conditions. They also show that it is possible to identify rooms with non-ideal operating conditions and that reasonable measures to improve building operation can be derived from the gathered information. The results highlight the potential of the proposed system.
Translated title of the contributionEin innovatives User-Feedback-System für nachhaltige Gebäude
Original languageEnglish
Article number012123
Number of pages8
JournalIOP Conference Series: Earth and Environmental Science
Issue numberConf. 1
Publication statusPublished - 2019
EventSustainable Built Environment D-A-CH Conference 2019: Transition Towards a Net Zero Carbon Built Environment: SBE 2019 Graz - Graz University of Technology, Graz, Austria
Duration: 11 Sep 201914 Sep 2019


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