Where the NatHERS climate zone encompasses more than one PH Climate Zone, the building was modelled with the same specifications required to meet the passivhaus standard in all of the PH Climates before being modelled in the single NatHERS zone. NatHERS divides Australia into regions of similar climatic conditions, referred to as climate zones. It must be emphasised that this Standard is not a stand-alone requirement. Around the Equator we have tropical climates which are hot and humid, this is where you’ll find the world’s rainforests. NatHERS Climate Zones and Weather Files NatHERS divides Australia into 69 climate zones. climate house design in tropical and hot climates. [4] 0000002781 00000 n 0000001701 00000 n Thanks. It may be helpful to reassess the appropriateness of 8 climate zones, and whether the various locations should still be classified within the same climate zone. Sign Up to our Energy Rating Newsletter here! Visit the Nathers website for an interactive version of the national map. The main concern has been that NatHERS tools do not satisfactorily reward the comfort benefits of cross ventilation from opening windows. Because different climates warrant different design responses, a six Star house in Melbourne is very different from a six Star house in Darwin. Climate zones are generally aligned with postcode boundaries for convenience, except where there is likely to be a topographical or other feature within the postcode area that impacts the local climate. They generally match postcode boundaries, except where there is a topographical or other feature within the postcode area that impacts the local climate. The software tools do not take into account electrical 0000003084 00000 n 0000002927 00000 n This allows the software to appropriately consider the effects of Australia’s diverse climate when modelling the heating and cooling requirements of a home. On balance, NatHERS has done way more good than bad. Mediterranean. NatHERS is greatly improved, and simulates with thermal mass and ventilation much better, but the assumptions remain. Then there are arid or dry climates – like you’d find in deserts. 0000008782 00000 n The Dorrigo region (postcode 2453), being on top of the plateau, is in climate zone 7 (cool temperate) and not climate zone 2 (warm humid/coastal) as indicated. Supported by data from the Nationwide House Energy Rating Scheme (NatHERS). R²=0.940 R²=0.950 R²=0.960 R²=0.970 R²=0.980 R²=0.990 R²=1.000 9°C 12°C 15°C 18°C 21°C 24°C 27°C 3. In this scenario, alternative zones are offered for the same postcode. 0000014986 00000 n Where there is any discrepancy between climate zones in the Climate Zone Map and the NatHERS software, the climate zones provided in the NatHERS software should take precedence. NatHERS can also be used to demonstrate higher performance where designs exceed the requirements of the NCC. ... the ability to rate up to 10 stars and the full range of AccuRate climate zones (69 in Australia). NatHERS Accredited Software is used to calculate an energy efficiency star rating and is … Future development of online and smartphone applications will utilise climate data from all 87 NatHERS zones and NZ Climate Files, allowing consumers and No changes were made to fixed shading or building geometry. NatHERS software is used by the housing industry as an assessment method to demonstrate compliance with the energy efficiency provisions of the NCC. 4. 0000054571 00000 n . NatHERS Certificates vs ABS Building Approvals. For example, if a postcode includes a mountainous area, an alternative climate zone may be used above a certain altitude. h�b```b``��� 3. 0000004681 00000 n 1. A lot of work has gone into setting minimum requirements for different climate zones and we often struggle to justify significantly increased spends on thermal performance of the fabric beyond regulatory compliance (in terms of $ payback). Homes in each separate climate zone are unlikely to require significant differences in house design to reach a similar star rating. NatHERS offers a more flexible and innovative compliance pathway than the prescriptive elemental approach of the NCC using 69 distinct climate zones in Australia, compared to the NCC which is based on eight climate zones. Climate zones allow to produce a flexible approach to meet energy efficiency standards [2]. The same uninsulated house modelled in each of the 69 Australian NatHERS climate zones was found to have NatHERS house ratings ranging from zero to 1.9 stars with a median of 1.2 stars (also see Appendix 2). In this scenario, alternative zones are offered for the same postcode. For our purposes we’ve separated most of Australia into 3 climate zones. For example, a city like Canberra or Hobart may resemble climate zones 6 or 7 (instead of the existing 7 and 8). dd11 ��0p,`pY���0���ᦃ�������n��13�[u��;�(;�)ÔCw�����+� If you have specific questions regarding postcode to climate zone anomalies, please contact the NatHERS Administrator at admin@nathers.gov.au. Australia climate zones to confirm this or otherwise. 0000012205 00000 n 0000001513 00000 n
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