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Ababio, B K and Lu, W (2023) Barriers and enablers of circular economy in construction: a multi-system perspective towards the development of a practical framework. Construction Management and Economics, 41(01), 3–21.
Abdollahzadeh, N, Farahani, A V, Soleimani, K and Zomorodian, Z S (2023) Indoor environmental quality improvement of student dormitories in Tehran, Iran. International Journal of Building Pathology and Adaptation, 41(01), 258-78.
Agyekum, K, Akli-Nartey, E E K, Kukah, A S and Agyekum, A K (2023) Importance-performance analysis (IPA) of the indoor environmental quality (IEQ) of an EDGE-certified building in Ghana. International Journal of Building Pathology and Adaptation, 41(01), 73-95.
Birchmore, R C, Berry, T A, Wallis, S L, Tsai, S and Hernandez, G (2023) Thermal performance and indoor air quality in new, medium density houses – Auckland, New Zealand. International Journal of Building Pathology and Adaptation, 41(01), 279-300.
Bonham, M B (2013) Leading by example: new professionalism and the government client. Building Research & Information, 41(01), 77-94.
Bruce-Konuah, A, Jones, R V and Fuertes, A (2023) A method for estimating scheduled and manual override heating behaviour and settings from measurements in low energy UK homes. International Journal of Building Pathology and Adaptation, 41(01), 25-44.
Coenen, T B J, Visscher, K and Volker, L (2023) A systemic perspective on transition barriers to a circular infrastructure sector. Construction Management and Economics, 41(01), 22–43.
Craig, N, Pilcher, N, Forster, A M and Kennedy, C (2023) Ethanol-driven building fungus colonisation: “Whisky Black” in urban built environments. International Journal of Building Pathology and Adaptation, 41(01), 238-57.
Dennehy, G, Kennedy, B and Spillane, J (2023) Building control (amendment) regulations 2014: integration and compliance in large Irish construction organisations. International Journal of Building Pathology and Adaptation, 41(01), 225-37.
Feng, H, Kassem, M, Greenwood, D and Doukari, O (2023) Whole building life cycle assessment at the design stage: a BIM-based framework using environmental product declaration. International Journal of Building Pathology and Adaptation, 41(01), 109-42.
Few, J and Elwell, C A (2023) Applying the CO2 concentration decay tracer gas method in long-term monitoring campaigns in occupied homes: identifying appropriate unoccupied periods and decay periods. International Journal of Building Pathology and Adaptation, 41(01), 96-108.
Gremyr, I, Bäckstrand, J, Fredriksson, A, Gatenholm, G and Halldórsson, & (2023) Blueprinting construction logistics services for quality improvement. Construction Management and Economics, 41(01), 60–78.
Hartenberger, U, Lorenz, D and Lützkendorf, T (2013) A shared built environment professional identity through education and training. Building Research & Information, 41(01), 60-76.
Hill, S, Lorenz, D, Dent, P and Lützkendorf, T (2013) Professionalism and ethics in a changing economy. Building Research & Information, 41(01), 8-27.
Hughes, W and Hughes, C (2013) Professionalism and professional institutions in times of change. Building Research & Information, 41(01), 28-38.
Janda, K B and Parag, Y (2013) A middle-out approach for improving energy performance in buildings. Building Research & Information, 41(01), 39-50.
Jaradat, S, Whyte, J and Luck, R (2013) Professionalism in digitally mediated project work. Building Research & Information, 41(01), 51-9.
Kobeyev, S, Tokbolat, S, Nazipov, F and Satyanaga, A (2023) Design and modeling of an on-site greywater treatment system for a hotel building. International Journal of Building Pathology and Adaptation, 41(01), 201-24.
Kulmedov, B and Durdyev, S (2023) Cost and environmental performance of forced air and hot water heating systems in post-Soviet countries. International Journal of Building Pathology and Adaptation, 41(01), 170-81.
Murtagh, N, Owen, A M and Simpson, K (2023) Engaging UK repair–maintain–improve practitioners in improved building performance. International Journal of Building Pathology and Adaptation, 41(01), 11-24.
Newton, S, Shirazi, A and Christensen, P (2023) Defining and demonstrating a smart technology configuration to improve energy performance and occupant comfort in existing buildings: a conceptual framework. International Journal of Building Pathology and Adaptation, 41(01), 182-200.
Nilsson Vestola, E and Eriksson, P E (2023) Engineered and emerged collaboration: vicious and virtuous cycles. Construction Management and Economics, 41(01), 79–96.
Peukes, I E, Francesco, P and D'Amico, B (2023) Life cycle assessment of 61 ducted gas heating upgrades in Australia. International Journal of Building Pathology and Adaptation, 41(01), 143-69.
Roberts, B M, Allinson, D and Lomas, K J (2023) Evaluating methods for estimating whole house air infiltration rates in summer: implications for overheating and indoor air quality. International Journal of Building Pathology and Adaptation, 41(01), 45-72.
- Type: Journal Article
- Keywords: blower door; building fabric; dwellings; energy efficiency; fan pressurisation; iaq; indoor air quality; infiltration; measurement; overheating; test houses; tracer gas
- ISBN/ISSN:
- URL: https://doi.org/10.1108/IJBPA-06-2021-0085
- Abstract:
Purpose: Accurate values for infiltration rate are important to reliably estimate heat losses from buildings. Infiltration rate is rarely measured directly, and instead is usually estimated using algorithms or data from fan pressurisation tests. However, there is growing evidence that the commonly used methods for estimating infiltration rate are inaccurate in UK dwellings. Furthermore, most prior research was conducted during the winter season or relies on single measurements in each dwelling. Infiltration rates also affect the likelihood and severity of summertime overheating. The purpose of this work is to measure infiltration rates in summer, to compare this to different infiltration estimation methods, and to quantify the differences. Design/methodology/approach: Fifteen whole house tracer gas tests were undertaken in the same test house during spring and summer to measure the whole building infiltration rate. Eleven infiltration estimation methods were used to predict infiltration rate, and these were compared to the measured values. Most, but not all, infiltration estimation methods relied on data from fan pressurisation (blower door) tests. A further four tracer gas tests were also done with trickle vents open to allow for comment on indoor air quality, but not compared to infiltration estimation methods. Findings: The eleven estimation methods predicted infiltration rates between 64 and 208% higher than measured. The ASHRAE Enhanced derived infiltration rate (0.41 ach) was closest to the measured value of 0.25 ach, but still significantly different. The infiltration rate predicted by the “divide-by-20” rule of thumb, which is commonly used in the UK, was second furthest from the measured value at 0.73 ach. Indoor air quality is likely to be unsatisfactory in summer when windows are closed, even if trickle vents are open. Practical implications: The findings have implications for those using dynamic thermal modelling to predict summertime overheating who, in the absence of a directly measured value for infiltration rate (i.e. by tracer gas), currently commonly use infiltration estimation methods such as the “divide-by-20” rule. Therefore, infiltration may be overestimated resulting in overheating risk and indoor air quality being incorrectly predicted. Originality/value: Direct measurement of air infiltration rate is rare, especially multiple tests in a single home. Past measurements have invariably focused on the winter heating season. This work is original in that the tracer gas technique used to measure infiltration rate many times in a single dwelling during the summer. This work is also original in that it quantifies both the infiltration rate and its variability, and compares these to values produced by eleven infiltration estimation methods. © 2021, Ben M. Roberts, David Allinson and Kevin J. Lomas.
Wang, Z, Han, F, Xia, B, Liu, J and Zhang, C (2023) Regional differences and heterogeneity of construction and demolition waste with economic growth: evidence from China. Construction Management and Economics, 41(01), 44–59.