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The purpose of this guide is to provide an overview of how the BASIX engine works to estimate energy and water consumption in houses and apartments, and how these outputs can be used to inform design decisions.

Outlines the peer review process which can be used as a compliance option for assessing the energy equivalence (thermal performance) of new houses and major renovations (where practical) in Queensland.

This Certifier Practice Standard is prepared by the Commissioner for Fair Trading under section 14 of the Building and Development Certifiers Act 2018 (B&DC Act); Section 14 provides that a registered certifier’s conditions of registration may require the certifier to carry out certification work in accordance with specified standards or methodologies prepared by the Commissioner.