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Real performance of (smart) residential ventilation - performance assurance, fault detection, continuous commissioning

   DESCRIPTION OF THE SESSION

The IEA EBC Annex 86 Energy Efficient IAQ Management in residential buildings brings together experts from different fields including mechanical engineering, building science, chemistry, data science and environmental health to work together with other stakeholders towards consensus on the basic assumptions regarding a performance assessment, practical guidelines and tools to ensure excellent IAQ in residencies.

This topical session is organized by the fourth subtask of the Annex 86 having a title “Ensuring performance of smart ventilation”. One of our focus points is the quality assurance of implemented residential ventilation systems & strategies, whether they can be called “smart” or not.

In this topical session, we want to present and discuss results and experiences from different stakeholders representing both industry and academia, regarding real performance of residential ventilation. Furthermore, we want to discuss how doe their data stand against existing quality management approaches and inspection protocols for residential ventilation. Can we identify the crucial issues specific to “smart systems”? We aim to discuss examples of approaches to ensure reliable operation beyond the commissioning phase.

With several presentations in the background, we want to discuss the issues needed for performance assurance. Do we need quality management schemes and inspection protocols? 

Do we need Internet connected systems for ongoing commissioning or better education for building operators?

   OBJECTIVES OF THE TOPICAL SESSION

The session has following objectives:

  1. Present results of research as well as field studies focused on performance assessment of residential ventilation systems.
  2. Present research & development focused on performance monitoring, fault diagnostics and ongoing commissioning.
  3. Discuss challenges and barriers related to performance assurance for (smart) residential ventilation in practice.
  4. Discuss needs for guidelines, quality management schemes and inspection protocols.

   SESSION PROGRAMME

    1. Welcome and introduction. Gaelle Guyot, Cerema, France
    2. Performance 2 project – Winter IAQ campaigns in 13 dwellings equipped with Humidity-based DCV systems: analyses of the ventilation performance after 15 years of use. Adeline Melois, Cerema, France, Juan Rios, Aereco, France
    3. Checking and assuring real IAQ and energy performances through demand control and cloud connectivity. Ivan Pollet, Renson, Belgium
    4. Data driven models for fault detection – Combining thermal and indoor air quality grey box models. Gabriel Rojas, University of Innsbruck, Austria
    5. Evaluation of supply temperature set-points and airflow imbalance using smart ventilation data. Kevin Smith, Technical University of Denmark, Denmark
    6. Technologies in balanced ventilation systems to maintain optimal performance in energy and comfort. Bart Cremers, Zehnder Group, The Netherlands
    7. Discussion (moderators: Jakub Kolarik, Gaelle Guyot)

   SESSION CHAIRS

    1. Gaelle Guyot, CEREMA, France
    2. Jakub Kolarik, DTU, Denmark

    SESSION DURATION
– 90 minutes

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Prof. Sani Dimitroulopoulou (UK Health Security Agency, UKHSA)

Sani is a Principal Environmental Public Health Scientist, Air Quality and Public Health, UKHSA (formerly Public Health England, PHE) leading on indoor air quality and health.
She is also Visiting Professor, at Institute for Environmental Design and Engineering, The Bartlett School of Environment, Energy and Resources, UCL.
 
Her research interests include exposure assessment to air pollution, based on modelling and monitoring of outdoor and indoor air pollution and ventilation, health impact assessments and development of environmental public health indicators and indoor air quality guidelines.
She works closely with colleagues from UK Government Departments (e.g. DHSC, DfE, DLUHC, Defra, DESNZ) and Organisations (e.g. WHO, NICE, CIBSE, RCP/RCPCH, BSI) to provide expert advice on indoor air quality and health. She participated in the Cross Whitehall Group for the revision of the Building Regulations, Part F and she sits on the Advisory Board organised by DLUHC for the revision of HHSRS (Housing Health and Safety Rating System). She was the UKHSA project manager for the development of the DHSC/UKHSA/DLUHC guidance on “Damp and mould: understanding and addressing the health risks for rented housing providers”. She is the Chair of UK Indoor Environments Group (UKIEG).

Dr. Ana Maria Scutaru

Ana Maria Scutaru is a scientist at the German Environment Agency (UBA) in Berlin. She received her PhD in Pharmaceutical Chemistry from the Institute of Pharmacy at the Freie Universität Berlin in 2011. Her work focuses on the health-related evaluation of building products emissions into indoor air and other indoor air related topics. Ana Maria Scutaru is the secretary of the Committee for Health-related Evaluation of Building Products (AgBB) and of the EU-LCI Working Group within the harmonisation framework for health-based evaluation of indoor emissions from construction products in the European Union.

Corinne Mandin earned her PhD in environmental chemistry from the University of Rennes, France.
She has been working on human exposure to chemical substances and physical agents and the related health effects, first at INERIS (French national institute for industrial environment and risks) for 8 years, and then at CSTB (French scientific and technical center for building) for 13 years. At CSTB, she coordinated the French Indoor Air Quality Observatory, a public research program created in 2001 to carry out nationwide surveys on air quality in buildings. In 2022, she joined the French institute for radiation protection and nuclear safety (IRSN) where she leads the radiation epidemiology group.
She has been involved in various European and international projects and expert committees, including at the World Health Organization and the European Joint Research Center. She is currently chairing the expert committee dedicated to outdoor and indoor air quality at the French Agency for Food, Environmental and Occupational Health and Safety (Anses). She was president of the International Society for Indoor Air Quality and Climate (ISIAQ) from 2020 to 2022. In 2022, she coedited the Handbook of Indoor Air Quality (Springer).