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Costs of improving the thermal performance of houses in a cool-temperate climate
journal contributionposted on 2023-05-17, 05:19 authored by McLeod, PM, Mark FayMark Fay
To minimize the energy needed to heat and/or cool houses, the Building Code of Australia requires that new houses meet a minimum level of thermal performance. A star rating system is used to indicate the level of thermal performance a house achieves. Ratings range from 0 to 10 stars. Theoretically, the more stars, the less the energy required for space heating and/or cooling. Currently, most states and territories in Australia require a minimum 5 star performance. However, a minimum 7-8 star rating is likely in the near future. This article examines the capital cost and design implications of significantly improving the thermal performance of brick veneer houses in a cool-temperate climate. The results show that the cost of achieving a certain level of thermal performance varies significantly depending on the methods and materials used, although improvements in thermal performance can be made for little or no cost.
Publication titleArchitectural Science Review
Department/SchoolSchool of Architecture and Design
Place of publicationLondon
Rights statementCopyright 2010 Earthscan