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Indoor air-quality investigation in code for sustainable homes and passivhaus dwellings

Indoor air-quality investigation in code for sustainable homes and passivhaus dwellings Purpose – Energy efficient building design strategies are growing in popularity, promoted through increased awareness of climate change, rising energy prices, global consciousness and a demand for energy security. To aid this design process, assessment tools such as Code for Sustainable Homes (CSHs) and Passivhaus were introduced in the UK. However, it is suggested that these tools prioritise energy efficiency over occupant health through a fundamental lack of attention to indoor air quality (IAQ). The purpose of this paper is to investigate IAQ in selected dwellings built using CSHs level 6, level 3 and Passivhaus homes in the UK. Design/methodology/approach – Using a case study approach, the investigation consisted of IAQ measurements during summer and winter months, occupant diaries and occupant interviews. Findings – The results from the IAQ measurements show the recommended maximum level of 1,000 ppm was breached in all three Code 6 and two Code 3 homes, with levels slightly below this limit in the two Passivhaus homes. Measurements found high levels of formaldehyde, carbon dioxide and low levels of relative humidity. Practical implications – There is a need for the adequate consideration of IAQ in sustainable assessment methods, including the use of mandatory credits to ensure occupant health is not disregarded in the drive towards zero carbon. Originality/value – These results can be used to recognise areas of improvement in the CSHs and Passivhaus standard, and the design of energy efficient homes in general. Research of this nature is essential to ensure occupant health is not sacrificed through the drive towards zero carbon. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png World Journal of Science Technology and Sustainable Development Emerald Publishing

Indoor air-quality investigation in code for sustainable homes and passivhaus dwellings

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References (81)

Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
2042-5945
DOI
10.1108/WJSTSD-08-2014-0021
Publisher site
See Article on Publisher Site

Abstract

Purpose – Energy efficient building design strategies are growing in popularity, promoted through increased awareness of climate change, rising energy prices, global consciousness and a demand for energy security. To aid this design process, assessment tools such as Code for Sustainable Homes (CSHs) and Passivhaus were introduced in the UK. However, it is suggested that these tools prioritise energy efficiency over occupant health through a fundamental lack of attention to indoor air quality (IAQ). The purpose of this paper is to investigate IAQ in selected dwellings built using CSHs level 6, level 3 and Passivhaus homes in the UK. Design/methodology/approach – Using a case study approach, the investigation consisted of IAQ measurements during summer and winter months, occupant diaries and occupant interviews. Findings – The results from the IAQ measurements show the recommended maximum level of 1,000 ppm was breached in all three Code 6 and two Code 3 homes, with levels slightly below this limit in the two Passivhaus homes. Measurements found high levels of formaldehyde, carbon dioxide and low levels of relative humidity. Practical implications – There is a need for the adequate consideration of IAQ in sustainable assessment methods, including the use of mandatory credits to ensure occupant health is not disregarded in the drive towards zero carbon. Originality/value – These results can be used to recognise areas of improvement in the CSHs and Passivhaus standard, and the design of energy efficient homes in general. Research of this nature is essential to ensure occupant health is not sacrificed through the drive towards zero carbon.

Journal

World Journal of Science Technology and Sustainable Development – Emerald Publishing

Published: Jan 5, 2015

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