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What is Ressourcenwächter?

Ressourcenwächter Teschnische Hochschule (engl. Resource Guardian Technical University) is a project funded by the Sustainability Fund of RWTH Aachen University.

In addition to technical and process-related efficiency and savings measures, people’s consumption habits have a major influence, for example through ventilation behavior or conscientiously switching off electronic devices that are not in use.

The main goal of the project is to change consumer habits by using technologies to capture indoor climate and consumption data in order to achieve energy savings and potential positive physiological and psychological effects on users, for example through feedback and gamification [1-3]. At the same time, few systems exist to date that allow flexible integration of individual consumers (e.g. office equipment) regardless of manufacturer and device, and also permit flexible feedback messages or gamification enhancements.

The “Ressourcenwächter Teschnische Hochschule” proposed here builds on our own developments in the field of sensor technology and measuring systems and allows a flexible and modular design of the system. Building, personal and activity characteristics can thus be better integrated and optimized in terms of consumption and emissions.

Part of this project is the further development of an existing measurement and feedback system from Qirui Huang’s previous work [4], as well as its subsequent testing in a RWTH building as a field study with 20 to 25 participants. During the field study, the testers are to assess the feedback and tips for energy saving provided by the system (ventilation behavior, room temperature setpoint, switching off electrical appliances). To validate these subjective assessments, consumption data from the relevant building (part of the building) is used for evaluation, if available. An interactive touchscreen is integrated into the device instead of smartphones or comparable devices.

Sources:

  • [1] Méndez, J. I., Peffer, T., Ponce, P., Meier, A., & Molina, A. (2022). Empowering saving energy at home through serious games on thermostat interfaces. Energy and Buildings, 263, 112026.
  • [2] Valor, C., Escudero, C., Labajo, V., & Cossent, R. (2019). Effective design of domestic energy efficiency displays: A proposed architecture based on empirical evidence. Renewable and Sustainable Energy Reviews, 114, 109301.
  • [3] Zangheri, P., Serrenho, T., & Bertoldi, P. (2019). Energy savings from feedback systems: A meta-studies’ review. Energies, 12(19), 3788.
  • [4] Huang, Q., & Syndicus, M. (2022). Development of a microcontroller-based interactive monitoring system for indoor environmental quality. 33. Forum Bauinformatik, Munich, Germany.