TAIL, a new scheme for rating indoor environmental quality in offices and hotels undergoing deep energy renovation (EU ALDREN project)

Pawel Wargocki*, Wenjuan Wei, Jana Bendžalová, Carlos Espigares-Correa, Christophe Gerard, Olivier Greslou, Mathieu Rivallain, Marta Maria Sesana, Bjarne W. Olesen, Johann Zirngibl, Corinne Mandin

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

To avoid health risks and discomfort, the European Energy Performance for Building Directive (EPBD) mandates that “Member States should support energy performance upgrades of existing buildings that contribute to achieving a healthy indoor environment.” There is, however, no widely accepted method for rating the overall level of indoor environmental quality (IEQ), although several different approaches are proposed by standards, guidelines, and certification schemes. To fill this void, a new classification rating scheme called TAIL was developed to rate IEQ in offices and hotels undergoing deep energy renovation during their normal use; the scheme is a part of the energy certification method developed by the EU ALDREN project. The TAIL scheme standardizes rating of the quality of the thermal (T) environment, acoustic (A) environment, indoor air (I), and luminous (L) environment, and by using these ratings, it provides a rating of the overall level of IEQ. Twelve parameters are rated by measurements, modelling, and observation to provide the input to the overall rating of IEQ. Their quality levels are determined primarily using Standard EN-16798-1 and World Health Organization (WHO) air quality guidelines and are expressed by colours and Roman numerals to improve communication. The TAIL rating was shown to discriminate IEQ levels when its feasibility was examined in eleven buildings across Europe to provide support for its applicability and input for further modifications. Opportunities for using the scheme in other types of buildings and for its further development and application are discussed.

Original languageEnglish
Article number111029
JournalEnergy and Buildings
Volume244
ISSN0378-7788
DOIs
Publication statusPublished - 2021

Bibliographical note

Funding Information:
The present work was supported by the coordination and support action on ALliance for Deep RENovation in buildings (ALDREN) as part of the EC Horizon 2020 Programme, contract number 754159. Thanks to Rukshala Anton, Pablo Carnero-Melero, and Ane Midtstraum for performing measurements in the pilot buildings. We thank Professor David P. Wyon for his comments and his revision of the manuscript.

Publisher Copyright:
© 2021 Elsevier B.V.

Keywords

  • Assessment scheme
  • Energy renovation
  • Indoor environmental quality
  • Measurements
  • Public buildings

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