When designing and building a new house, it is important to understand how the location and orientation of your home will affect your home's energy profile. Building orientation is the practice of facing a building so as to maximize certain aspects of its surroundings, such as street appeal, to capture a scenic view, for. Orientation, layout and location on site will all influence the amount of sun a building receives and therefore its year-round temperatures and.


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The site Look for a site with good access to cooling orientation of buildings. Ensure that landscape and adjacent buildings funnel rather than block beneficial breezes and provide shade to all walls.

Land with a south-facing slope provides increased shade. South is ideal for views because south-facing windows require minimal shading. In regions with cooler winters, however, glass areas should be small to limit heat loss.

The overhang of eaves should be broader above the tropic of Capricorn because of increased southern solar exposure. Solar orientation of buildings to some part of the site between 9am and 3pm is beneficial for clothes drying and vegetable gardens orientation of buildings all climates, and uninterrupted solar access to roof areas is orientation of buildings desirable for solar collectors.

Passive solar access becomes increasingly important as heating needs increase. Innovative design and fans can achieve thermal cooling comfort on sites with limited access to cooling breezes.

Use high level windows and vents to create convection currents for cooling in the absence of breezes. The house Choose or design a house with maximum exposure to cooling breezes and limited or no exposure to direct sun, depending on climate.

Use careful design to improve performance in the case of poorly oriented sites or existing homes. Narrow, elongated or articulated buildings facilitate passive cooling.

Ideally the long elevation should open up to cooling breezes. Avoid or shade west-facing walls and windows if possible as they receive the strongest radiation orientation of buildings the hottest part of the day. Open plan internal layouts facilitate ventilation.

Building Orientation for Optimum Energy

Houses of one-room depth are ideal. Outdoor living areas courtyards, verandas and balconies should be shaded at all times and fitted with ceiling fans.


Use security screens over openings to allow safe, effective ventilation. Alternatively, highly insulated and shaded rooms can be orientation of buildings cooled by the highest energy rated air conditioning and the energy used offset with rooftop photovoltaics. Checklist for designing a new home or renovating When you build or renovate, maximise what your site has to offer according to orientation of buildings brief overview or see Buying an existing home for more detailed information.

Orientation | YourHome

Configure or reconfigure rooms to capture and encourage the flow-through of cooling orientation of buildings, and position door and window openings to improve cross-ventilation paths. In climates with low or no heating needs, develop the site so that existing buildings and trees shade orientation of buildings walls and deflect cooling breezes into the interior.

Provide as much roof shading as possible but leave enough solar exposed areas for solar hot water or photovoltaic collectors.

Design narrow building forms with long walls orientated to cooling breezes.

Elevate the house to allow air to circulate beneath it in hot humid climates. Minimise east and west-facing openings because they receive the strongest sun and are the most difficult to shade; however, if they are needed for ventilation, ensure they are well shaded.

Add small windows to orientation of buildings with only one or include vents above internal doors to improve cross-ventilation.

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