Natural Frequency Journal :: Issue No. 005
Published: January 01, 2008

Are Highly Efficient Buildings Sustainable?

Many recent regulations and energy codes focus almost exclusively on energy efficiency during the operational life of a building. In our struggle to adapt to these changes and still appear 'modern', architects and designers are increasingly looking to energy-intensive materials and high-tech solutions, often ignoring many of the wider impacts of their projects. This article questions the true sustainability of these kinds of buildings and suggests that there are better ways to achieve the efficiencies we need.

Averaging Solar Radiation

For the most part, the mathematics of solar radiation is pretty straightforward. However, there are a couple of situations that are less intuitive than they first appear. This is definitely true in the calculation of average hourly incident solar radiation (insolation).

Fitting a Spatial Analysis Grid

Many people have questioned why the analysis grid produced by the 'Auto-Fit Grid' function in Ecotect leaves a gap around the edges of a room rather than covering the full extents of its floor area. There is a very good reason for this and, as it touches on some more general analysis concepts, is deserving of some detailed explanation.

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