The Australia Institute of Architects (AIA) advocates for net-zero emissions in the built environment by 2030.

To achieve this, it is required that buildings be more energy-efficient, independent from fossil fuels and powered by onsite or offsite renewable energy.

(Architecture 2030, 2023).

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Passive Duel House, Launceston

A climatic design response situated in Launceston, Tasmania. Research and application of passive solar design strategies for a low energy & sustainable duel dwelling considering the following:

  • Site location & orientation

  • Building form

  • Building fabric

  • Room layout and orientation

  • Landscaping

  • Air movement

  • Ventilation

  • Shading of openings

  • Materials

  • Daylighting

  • Colour

The Process

Solar patch tests in Revit:

Extensive research formed the brief for this project to achieve physical thermal + visual comfort without reliance on aircon, heaters, or electric lighting during the day.

Rhino + Grasshopper

  • Daylighting simulations based on window to wall ratio and quantity.

    Useful daylight illuminance (UDI) to be near 100% efficiency, whilst no space is to be overexposed (> 3000 lux) or underexposed (< 1000 lux).

    This ensures occupants receive adequate daylight for tasks without glare or eye strain.

  • Thermal comfort calculations using R value of building materials + glazing U value and solar heat gain coefficient.

    Ideal comfort (‘neutral’) is reached year round from materials alone, only aided by ceiling fans.

  • Yearly energy loads in kwh/m2.

  • Orientation and building facade simulations showing direct solar gain in summer.

    Red = the hottest
    Orange = warm
    Blue = the coolest

  • Orientation and building facade simulations showing direct solar gain in winter.

    Red = the hottest
    Orange/orange = warm
    Blue = the coolest

Sketch Design

  • It all begins with an idea. Maybe you want to launch a business. Maybe you want to turn a hobby into something more.

  • It all begins with an idea. Maybe you want to launch a business. Maybe you want to turn a hobby into something more.

  • It all begins with an idea. Maybe you want to launch a business. Maybe you want to turn a hobby into something more.

  • It all begins with an idea. Maybe you want to launch a business. Maybe you want to turn a hobby into something more.

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