While buildings require less and less energy, more and more is being spent on the maintenance and service needed to sustain this reduction. The building 2226 in Lustenau has no heating, ventilation or cooling system, with the flow of energy being controlled by human hand.
Above all it is a brick building with walls, doors and high-ceilinged rooms. It needs little grey energy, and elementary architectural means are used to create a sense of well-being that derives from the pleasant proportions and self-explanatory use.
The envelope has a cavity wall structure with each wall consisting of 36-centimetre clay blocks. The inner layer of this interconnected shell ensures high compressive strength while the outer layer guarantees efficient insulation.
Deep window reveals reduce the heat input, while vents fastened inside are controlled by sensors to provide a pleasant room climate. In winter, for example, the waste heat ensures a high energy input and the window vents only open if the volume of carbon dioxide in the room increases. click here to read full article….