Building performance evaluation of domestic energy efficient retrofits in current and future climates

T. E. McGrath, N. Campbell, S. V. Nanukuttan, D. Soban, P. A. M. Basheer

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Approximately half of the houses in Northern Ireland were built before any form of minimum thermal specification or energy efficiency standard was enforced. Furthermore, 44% of households are categorised as being in fuel poverty; spending more than 10% of the household income to heat the house to bring it to an acceptable level of thermal comfort. To bring existing housing stock up to an acceptable standard, retrofitting for improving the energy efficiency is essential and it is also necessary to study the effectiveness of such improvements in future climate scenarios. This paper presents the results from a year-long performance monitoring of two houses that have undergone retrofits to improve energy efficiency. Using wireless sensor technology internal temperature, humidity, external weather, household gas and electricity usage were monitored for a year. Simulations using IES-VE dynamic building modelling software were calibrated using the monitoring data to ASHARE Guideline 14 standards. The energy performance and the internal environment of the houses were then assessed for current and future climate scenarios and the results show that there is a need for a holistic balanced strategy for retrofitting.
Original languageEnglish
Number of pages6
Publication statusPublished - 29 Aug 2016
EventCivil Engineering Research in Ireland Conference 2016 - Engineering Building, NUI, Galway, Ireland
Duration: 29 Aug 201630 Aug 2016


ConferenceCivil Engineering Research in Ireland Conference 2016
Internet address


  • Building performance evaluation
  • Energy Efficiency
  • Climate change
  • Retrofit


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