German Home-
page of Annex 36
Homepage of the International Energy Agency
Rural and Surveying Engineering Building, N.T.U.A., Athens
Address Rural and Surveying
Engineering Building
NTUA Campus
9 Heroon Polytechniou
Athens, Greece
Year of construction 1965
Year of renovation 2003
Total floor area 8550 m²
Number of students 900
Number of classrooms 16
Typical classroom 50m²
50 students

The aim of the project is to integrate simple energy conservation and passive solar measures in the retrofitting process of the old building in order to achieve better quality of thermal and visual comfort for the users as well as lower energy consumption and environmental impact for the building.

Retrofit features:
The retrofit measures include interventions dealing both with the building shell and infrastructure such as improvement of the U value of external walls and windows, reduction of infiltration, use of shading devices and day lighting components, night ventilation, improvement of day lighting levels, control of space heating and artificial lighting and microclimate improvement.
  total report as pdf-download in English  

Fraunhofer Institute for Building Physics