Bocanegra-Yanez, MC;
Rojas, G;
Zukowska, D;
Burman, E;
Cao, G;
Hamon, MPY;
Kolarik, J;
(2017)
Design and operation of ventilation in low energy residences – A survey on code requirements and building reality from six European countries and China.
In:
Proceedings of the 38th AIVC Conference "Ventilating healthy low-energy buildings".
Air Infiltration and Ventilation Centre (AIVC): Nottingham, UK.
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Abstract
One of the key objectives of the IEA Annex 68 research programme entitled “Indoor Air Quality Design and Control in Low Energy Residential Buildings” is to provide a generic guideline for the design and operation of ventilation in residential buildings. They need to have minimal energy consumption, and at the same time maintain a high level of Indoor Air Quality (IAQ). The paper reports on preliminary results of an interview survey conducted among different stakeholders involved in design, installation and operation of residential ventilation in countries involved in the Annex. There were two main objectives, firstly to describe and analyse a transition between actual requirements (national building codes, standards) and current practice. For the second to investigate current barriers and challenges regarding installation of mechanical ventilation in residences. In total, 37 interviews from six European countries and China have been analysed, certainly not enough for a representative sample. However, the results provide a valuable snapshot of current practices and insights into potential barriers. Results show that mechanical ventilation with heat recovery is becoming the dominating ventilation system installed in new residences in Europe. However, there are countries, where, due to tradition, national legislation and/or cost reasons, other types of ventilation like mechanical exhaust or manual window ventilation are applied. Demand Controlled Ventilation is often allowed or even recommended in standards, but rarely implemented in practice, except for humidity controlled trickle vents in France. The main barriers against mechanical ventilation with heat recovery seem to be high capital cost, space requirements and duct routing as well as problems resulting from poor construction, lack of commissioning and/or maintenance.
| Type: | Proceedings paper |
|---|---|
| Title: | Design and operation of ventilation in low energy residences – A survey on code requirements and building reality from six European countries and China |
| Event: | 38th AIVC Conference |
| Location: | Nottingham, UK |
| Dates: | 13 September 2017 - 14 September 2017 |
| Open access status: | An open access version is available from UCL Discovery |
| Publisher version: | http://www.aivc.org/resource/design-and-operation-... |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Indoor air quality, residential ventilation, mechanical ventilation with heat recovery, low-energy housing |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment > Bartlett School Env, Energy and Resources |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10026811 |
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