The Technical Note provides a standardised approach to rating a dwelling. It details the requirements that must be followed for a NatHERS assessment in regulation mode when demonstrating compliance with the NCC.
NatHERS Technical Note, 23 October 2024 - Current
This version is for use with software using Chenath engine V3.22 and V3.23 only. Use the current version to comply to NCC 2022 requirements.
NatHERS Technical Note, 01 May 2024 - Superseded
This version is for use with software using Chenath engine V3.22 and V3.23 only.
NatHERS Technical Note, 23 October 2023 - Superseded
This version is for use with software using Chenath engine V3.22 and V3.23 only.
NatHERS Technical Note, 29 September 2023 - Superseded
This version is for use with software using Chenath engine V3.22 and V3.23 only.
NatHERS Technical Note, 1 September 2022 - Superseded
This version is for use with software using Chenath engine V3.22 only.
NatHERS Technical Note, 1 June 2019 - Superseded
This version is for use with software using Chenath engine V3.21 only. Use the June 2019 version to comply to NCC2019 requirements.
NatHERS Technical Note, 1 May 2019 - superseded
This version is for use with software using Chenath engine V3.21 only.
NatHERS Technical Note V1.2, 1 October 2014 - superseded
This version is for use with software using Chenath engine V3.13 only. See also:
NatHERS Technical Note V1.1, 2013, and Addendum 1.2013 - superseded