Mardi 02 novembre 2004
CEPHEUS - 80% less energy for heating
What makes a building a passive house?
The passive house standard is a cost efficient approach to minimize the energy demand of new buildings and, at the same time, to ensure a high degree of occupant comfort. This approach is particularly cost efficient because it focuses on those components of a building that are indispensable anyway: the building shell, the windows, and the ventilation system. These components are optimized in such a way that a separate heating system can be dispensed with.
The term "passive house" refers to a building that provides for a comfortable indoor climate, in summer and in winter, without using a conventional heating system. This requires that the annual energy demand for heating can be met by preheating incoming fresh air in the existing ventilation system. Passive houses use approx. 80% less energy for heating than conventional new buildings.
At the same time, demand for other forms of energy in a passive house, in particular domestic current for household appliances, should be minimized by the use of energy efficient technologies. One of the objectives defined within the CEPHEUS-project was that the total energy demand for heating, domestic hot water, and household should not exceed 42 kWh/ (m²a).
The following features characterize the passive house:
Extreme insulation of the building shell
Efficient ventilation and heating system
Passive use of solar energy
Efficient use of electricity
Use of renewable sources of energy to cover remaining energy demand
http://www.nachhaltigwirtschaften.at/publikationen/forschungsforum/012/teil3.en.html
http://www.nachhaltigwirtschaften.at/results.html?id=2611
The CEPHEUS workbook
http://www.managenergy.net/products/R278.htm
Philippe FESSARD développera ici l’aspect écologique de ces nouvelles constructions qui n’ont en effet pas besoin d’équipements de chauffage et consomment dix fois moins d’énergie que les bâtiments construits d’après les règles techniques classiques. »
Contact :
Association Océan
Tel/fax : 05 56 49 34 77
Mèl : asso.ocean@wanadoo.fr
par jeromet
le 2004-11-02 13:29:02
Permalien
| | action