NatVent™ is a European JOULE project that has studied ways of 'Overcoming technical barriers to low energy natural ventilation in office-type buildings in moderate and cold climates'. A consortium of nine partners across seven countries - Great Britain, Belgium, Denmark, the Netherlands, Sweden, Norway and Switzerland - carried out this project. It set out to:
The Doxford Solar Office is claimed to be the first in Europe with an integrated photovoltaic facade and an holistic energy strategy. How has the building performed since completion?
Environmental concerns such as ozone depletion and global warming are forcing the building design profession to explore new ways of space conditioning. This paper looks at a number of potential low energy cooling strategies, and using dynamic analysis techniques makes an assessment of the ability of such strategies to contribute to the cooling of buildings in the UK climate.
Central Europe is, especially in the residential sector, a region using mainly hydronic systems with static heat transfer surfaces, which operate noiselessly and with slow air movements. Cooling is - as yet - not required. This implies that air-heating systems are not very common in Austria. However, new improved building standards may change this situation, because the specific heat load is significantly reduced. In the building sector, both energy savings and a reduction in C02 emissions can be achieved relatively quickly.
The trend towards natural ventilation and low energy cooling systems is affecting the ways in which engineers design and operate heating systems in low energy buildings
The new headquarters of the Commerzbank in Frankfurt - the tallest office building in Europe - has proved one thing conclusively: it is possible to build a vast high rise in the middle of a busy city and use passive techniques to control its internal environment
This paper presents the results from the monitoring of a low energy building, namely, the Portland Building University of Portsmouth - UK) during February and July 1997. The BMS Research Group at the University of Portsmouth has instrumented the building so that its performance can be compared with the predictions obtained at the design stage. The Building has been operational since July 1996 and the monitoring exercise commenced in January 1997. Sensors monitor air temperature, air relative humidity and slab temperature in selected areas of the building.
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