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Skip Navigation LinksDepartment of Housing and Public Works > Construction > Sustainability > Sustainable housing laws > Climate zones > 2: Sub-tropical

 2: Sub-tropical

Location

The coastal zones south of Mackay including south-east Queensland.

Description

This zone is characterised by warm humid summers and mild winters.

Average January maximum temperature1

30.2oC

Average July maximum temperature1

21.8oC

Passive design features2

The design’s main aim is to cool the interior of the home for summer, and provide some warmth for winter. The main passive design features that can be used to achieve this are:

  • northern orientation for living room, with low-use rooms facing west eg. garages, bathroom and laundry
  • minimise east and west facing walls and windows
  • allow for good ventilation—windows and doorways able to catch breezes
  • ceiling fans and high ceilings
  • wide eaves and awnings to shade eastern and western side of house in summer, but also allows winter sun inside
  • ensure roof space is well-insulated and ventilated e.g. whirlybirds and eave vents
  • insulate walls
  • lighter building materials—such as timber and metal; with some denser materials for winter warmth—such as concrete and bricks
  • high performance glazing where windows are exposed directly to the sun e.g. low-e or tinted glazing on eastern and western aspects
  • when using air conditioning, ensure room is well-insulated and sealed
  • light coloured roof and walls
  • well-located outdoor living area.

1.  Bureau of Meteorology - Brisbane (site number: 040913).

2. As a minimum buiding standard, the specific performance requirement P1 of the Queensland Development Code 4.1–Sustainable buildings would have to be met for the energy efficiency of the building shell.



Last updated 14 June 2016    Creative Commons Attribution 4.0 International (CC BY 4.0)


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