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

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journal contribution
posted on 2023-07-26, 14:25 authored by Carlos Jimenez-Bescos, Robert Prewett
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

History

Refereed

  • Yes

Volume

147

Page range

195-201

Publication title

Energy Procedia

ISSN

1876-6102

Publisher

Elsevier

File version

  • Published version

Language

  • eng

Legacy posted date

2018-09-12

Legacy creation date

2018-09-11

Legacy Faculty/School/Department

ARCHIVED Faculty of Science & Technology (until September 2018)

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