IEA SHC Task 59 | EBC Annex 76 | Report D.C1-IV Conservation compatible energy retrofit technologies. Part IV: Documentation and assessment of energy and cost-efficient HVAC-systems and strategies with high conservation compatibility.

Troi, A. and Leonardi, E. and Engelund Thomsen, K. and Rose, J. and Polo Lopez, Cristina Silvia and Hatt, Tobias and Sevela, P. and Dinkel, A. and Gökcen, G. and Durmus Arsan, Z. (2021) IEA SHC Task 59 | EBC Annex 76 | Report D.C1-IV Conservation compatible energy retrofit technologies. Part IV: Documentation and assessment of energy and cost-efficient HVAC-systems and strategies with high conservation compatibility. Technical Report International Energy Agency IEA , Westminster, London, England.

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Abstract

The main objective of Subtask C is to identify, assess and in some cases further develop retrofit solutions and strategies for historic buildings. The solutions should fulfil the conservation compatibility of historic buildings as well as energy efficiency goals towards lowest possible energy demand and CO2 emissions (NZEB). Further, the objective is to make the solutions available or comprehensive integrated refurbishing concepts and strategies. Subtask C aimed at identifying replicable solutions from case studies documented in Subtask A and ongoing R&Dprojects on conservation compatible retrofit solutions and strategies. This report is basically divided into three chapters. The first chapter (chapter 2.1) contains solutions and information for the integration of ventilation systems in historic buildings. Chapters 2.2 and 2.3 deal with solutions for heat distribution and heat production. The fourth part of this report contains an evaluation method for the integration of ventilation systems in historical buildings. For this purpose, the assessment categories according to EN 16883 were taken as a basis and adapted in detail for ventilation systems. In order to illustrate the detailed assessment, one solution was tested using the adapted assessment criteria and is included in the last chapter of this report.

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