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The Nationwide House Energy Rating Scheme, or NatHERS, is being expanded to include Whole of Home assessments and ratings to support the proposed National Construction Code energy efficiency requirements for residential buildings in 2022; the changes will help households improve a home's energy efficiency and reduce energy use, which provides a range of benefits including lower energy bills, improved comfort and health for occupants, and reduced carbon emissions.

Assists in understanding the energy efficiency provisions in NCC Volume Two that apply to houses.

Assists in understanding the indoor air quality (IAQ) Verification Methods in NCC Volumes One and Two (F6V1 and F6V2 in NCC Volume One and H4V3 of NCC Volume Two).

Specifies requirements for flood-resistant design and construction of buildings that are subject to the NCC requirements and that are located, in whole or in part, in flood hazard areas.

Assists in understanding the Verification Methods for building in bushfire prone areas in NCC Volumes One and Two (G5V1 in NCC Volume One and H7V2 in NCC Volume Two).

NatHERS compliance pathway for energy efficiency.

AS 4055:2021 is amended as follows. The amendments should be inserted in the locations as instructed.

Provides standardized requirements for the performance testing, manufacture and installation of flexible ducts.

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.