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(Net-) zero-emission buildings: a typology of terms and definitions

Lützkendorf, Thomas; Frischknecht, Rolf

Several different definitions of ‘net-zero’ or ‘climate-neutral’ buildings have arisen and are causing confusion. Different approaches quantify the greenhouse gas (GHG) emissions of buildings over their life-cycle. A typology is proposed based on distinctions between absolute and net-zero-emission buildings in relation to operational and full life-cycle approaches. Besides the absolute zero-emission approach, three different net-zero-emission approaches are: (1) a net-balance approach, which includes credits caused by potentially avoided emissions beyond the system boundary provided by exported energy; (2) an offsetting approach, based on the purchase of CO2 certificates; and (3) a technical approach, based on negative-emission technologies. The declaration of the approach chosen will provide clarity when discussing (net/absolute)-zero emission or climate-neutral buildings.

Verlagsausgabe §
DOI: 10.5445/IR/1000134555
Veröffentlicht am 25.11.2021
DOI: 10.5334/bc.66
Zitationen: 12
Cover der Publikation
Zugehörige Institution(en) am KIT Ökonomie und Ökologie des Wohnungsbaus (OEW)
Publikationstyp Zeitschriftenaufsatz
Publikationsmonat/-jahr 09.2020
Sprache Englisch
Identifikator ISSN: 2632-6655
KITopen-ID: 1000134555
Erschienen in Buildings and Cities
Verlag Ubiquity Press
Band 1
Heft 1
Seiten 662–675
Nachgewiesen in Dimensions
KIT – Die Forschungsuniversität in der Helmholtz-Gemeinschaft
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