Preprint Article Version 1 This version is not peer-reviewed

Life Cycle Assessment of Solar Façade Concepts Based on Transparent Insulation Materials

Version 1 : Received: 9 November 2018 / Approved: 12 November 2018 / Online: 12 November 2018 (09:36:29 CET)

A peer-reviewed article of this Preprint also exists.

Struhala, K.; Čekon, M.; Slávik, R. Life Cycle Assessment of Solar Façade Concepts Based on Transparent Insulation Materials. Sustainability 2018, 10, 4212. Struhala, K.; Čekon, M.; Slávik, R. Life Cycle Assessment of Solar Façade Concepts Based on Transparent Insulation Materials. Sustainability 2018, 10, 4212.

Journal reference: Sustainability 2018, 10, 4212
DOI: 10.3390/su10114212

Abstract

Contemporary architects and the construction industry are trying to cope with increasing requirements concerning energy efficiency and environmental impact. One of the available options is the active utilization of energy gains from the environment, specifically solar energy gains. These gains can be utilized by, for example, solar walls and facades. The solar façade concept has been under development for more than a century. However, it hasn’t achieved widespread use for various reasons. Rather recently the concept was enhanced by the application of transparent insulation materials that have the potential to increase the efficiency of such façades. The presented study evaluates the environmental efficiency of 10 solar façade assemblies in the mild climate of the Czech Republic, Central Europe. The evaluated façade assemblies combine the principles of a solar wall with transparent insulation based on honeycomb and polycarbonate panels. The study applies Life-Cycle Assessment methodology to the calculation of environmental impacts related to the life cycle of the evaluated assemblies. The results indicate that even though there are several limiting factors, façade assemblies with transparent insulation have lower environmental impacts compared to a reference assembly with standard thermal insulation. The highest achieved difference is approx. 84% (in favour of the assembly with transparent insulation) during a modelled 50-year façade assembly service life.

Subject Areas

building; environmental impacts; façade; life-cycle assessment; transparent insulation; low-emissivity

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