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Artigas, David P.E (2014) An Unfair Reputation: The Energy Performance of Mid-Century Modern Glass-and-Steel Curtain Wall Buildings. In: APT Québec City 2014, Québec.

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The commonly-held belief that mid-century Modern buildings clad with single-glazed, non-thermally-broken glass and-steel curtain wall systems are less energy-efficient than those with modern-day systems is a common argument used to justify demolishing these older buildings, which are coming of age to be considered historic and many of which are beautiful examples of Modern architecture. However, this belief does not consider the ability of these systems in cold climates to conduct internal heat to the exterior. These curtain walls typically clad mid- to high-rise office spaces, which have both high occupancy and computers, servers, and other "plug loads" that generate a significant amount of heat that the mechanical system must cool and ventilate. In some cases, the performance of the curtain wall is only a minor piece of the overall building performance, with other factors such as plug loads, ventilation, and lighting contributing much more significantly to the overall energy use in the building. Older curtain wall systems allow more of this heat to escape to the exterior, reducing the cooling load and overall energy use of the building. This presentation will explore the energy use of historic vs. modern-day curtain wall systems, including embodied energy, life-cycle costs, and demolition and construction costs, to show that older curtain wall-clad buildings can be more energy efficient than many currently believe.

Item Type: Conference or Workshop Item (Speech)
Uncontrolled Keywords: Curtain Wall Buildings, life-cycle costs, energy efficiency
Subjects: ?? build ??
?? climcon ??
English > Management and Case Studies
Depositing User: Universitetsadjunkt Susanna Carlsten
Date Deposited: 03 Jul 2014 11:18
Last Modified: 22 Mar 2017 09:49

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