Shi, J (2017) A quantitative method for assessing home envelope's energy performance using measured data. International Journal of Construction Management, 17(2), pp. 89-99. ISSN 1562-3599
Abstract
This research develops a unique inverse method for assessing a residential home envelope's energy performance based on measured data. The method is built on the balancing principle that the heat that is generated by the heating equipment equals the heat that is lost to the outdoor environment through the building's envelope. This heat generation vs. loss balancing process continues over time, being characterized by the heating equipment's operating cycles. An actual home in the cold climate zone is used as a case study with outdoor temperature varying between 12.9 and 57.6°F. The obtained results show that the given home's heat loss is linearly correlated to the indoor‒outdoor temperature difference. They also indicate that measured data can provide reliable information for assessing and benchmarking a building envelope's energy performance. In comparison to a forward building energy modelling and simulation method, the proposed inverse method can provide accurate results, with much less effort needed for an existing building.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | building energy performance; building envelope; energy efficiency; residential buildings |
| Index terms: | residential building, benchmarking, cold climate, energy efficiency, energy performance, quantitative method, energy modelling, building envelope, case study |
| Subjects: | sustainability and energy, construction type, data collection methods, performance measurement, energy systems, data analysis and analytics, architectural elements, climate science |
| Topics: | Construction Technology, Research Practice, Sustainability, Design Practice, Quality Management |
| Descriptive scope: | 4 PCTE |
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