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Selection criteria for energy-efficient windows

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Windows are a weak link in the thermal performance of a building envelope, and represent an important investment in the construction or renovation of any dwelling. This paper outlines some factors which affect a window unit's energy performance and introduces general guidelines for its selection, installation and integration into a Canadian domestic dwelling. Significant reductions in heat loss using higher quality windows can achieve a payback period of 3.5 years.

Au niveau des performances techniques, les fenetres sont un point faible des enveloppes de batiment et constituent un investissement important dans la construction et la renovation de logements existants. Dans cette communication, les auteurs traitent de quelques facteurs qui touchent aux performances energetiques des fenetres et proposent des directives generales sur le choix, l'installation et l'integration dans une demeure classique. Des reductions importantes au niveau des deperditions thermiques si l'on utilise des fenetres de qualite superieure peuvent deboucher sur des delais de recuperation de 3.5 ans.

Keywords: CANADA; COMPONENT LIFE CYCLE; COSTING; ENERGY; GUIDANCE FOR DESIGNERS; HEAT LOSSES; HOUSING; PAYBACK PERIOD; SELECTION CRITERIA; WARMTH; WINDOWS

Document Type: Research Article

Publication date: 01 July 1997

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