Monitoring IAQ and thermal comfort in a conservation area low energy retrofit

Jimenez-Bescos, Carlos and Prewett, Robert (2018) Monitoring IAQ and thermal comfort in a conservation area low energy retrofit. Energy Procedia, 147. pp. 195-201. ISSN 1876-6102

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Official URL: https://doi.org/10.1016/j.egypro.2018.07.055

Abstract

EnerPHit and low energy retrofitting projects are increasing in adoption to tackle greenhouse gas emissions target in the United Kingdom. While good energy reductions can be achieved, there is a growing concerned of overheating in these low energy projects with high levels of insulation and airtightness. The aim of this study was to evaluate the thermal comfort and Indoor Air Quality (IAQ) of a low energy dwelling in London based on EnerPHit principles to reduce energy consumption. This project concerns an 1860’s Victorian terrace house situated within a conservation area in Kentish Town North London. The design approach was to radically reduce its heating demand while using ecological materials that are moisture open. It was also important to hold onto the original features inside and out that define this house’s character. The approach chosen to monitor IAQ and thermal comfort was based on monitoring the following indoor hygrothermal conditions: internal air temperature, relative humidity (RH) and CO2 concentration. Sensors were placed in every room of the dwelling for temperature and relative humidity. CO2 concentration was measured in the lounge and bedroom 2. Low energy retrofits can be achieved in conservation areas but more importantly, indoor temperatures in the property can be maintain steadily between 19–20 degrees centigrade, while relative humidity will be comfortably in between the range of 40 % and 70 %, with CO2 concentration levels well below the 1000 ppm readings as required for good air exchange and healthy IAQ

Item Type: Journal Article
Keywords: indoor air quality, EnerPHit, retrofit, temperature, relative humidity, CO2 concentration
Faculty: Faculty of Science & Technology
Depositing User: Dr Carlos Jimenez-Bescos
Date Deposited: 12 Sep 2018 12:29
Last Modified: 12 Sep 2018 12:29
URI: http://arro.anglia.ac.uk/id/eprint/703564

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