Windows: overview of issues

This paper examines the nature of the requirements for windows from three points of view: as a system of elements, as part of the building envelope, and as part of the indoor environment. It also describes briefly the current array of windows and window components on the market.Cet article analyse la nature des exigences vis \ue0 vis des fen\ueatres de trois points de vue diff\ue9rents: en tant que syst\ue8me, en tant que partie de l'enveloppe du b\ue2timent et en tant qu'\ue9l\ue9ment de l'environnement int\ue9rieur. Il donne \ue9galement un aper\ue7u de l'\ue9ventail actuel de fen\ueatres et de composants de fen\ueatres disponibles sur le march\ue9.Peer reviewed: NoNRC publication: Ye