Efficiently heating & cooling non-residential buildings. Experiences with thermo-active building systems and heat pumps.

Artikel

The use of environmental energy to cool or, in combination with heat pumps, to heat non-residential buildings via thermo-active building systems (TABS) has established itself in recent years. The objective of such building and system concepts is not only to consume as little energy as possible in quantitative terms (low energy), but also to achieve the most optimal energy conversion in thermodynamic terms that takes the quality of the energy used into account (low exergy, "LowEx"). Many successful and well-functioning examples show that with such systems a high degree of thermal comfort in combination with a high energy efficiency can be achieved. Various heating and cooling supply systems for this purpose are available on the market and the most important building simulation programs now have libraries with LowEx components to design these systems. For the planning and operation, product-specific documents as well as standards and guidelines are available. However, operational experience and the systematic scientific evaluation of a number of projects show that there are still possibilities within the planning, construction and operation phases for better exhausting the efficiency potential. What is often lacking is an optimal operational management of all sub-components as well as a critical analysis of the expended auxiliary energy. Furthermore, in practice this often raises questions as to the optimal control of the entire system in order to simultaneously ensure high efficiency and high workplace comfort. In a research project (LowEx:Monitor), 25 non-residential buildings were measured, investigated and evaluated in detail over a period of several years of operation. This yielded in a comprehensive cross-analysis of the performance of individual components and systems as well as the thermal indoor comfort and the overall system. The research project was funded by the German Federal Ministry for Economic Affairs and Energy as part of the energy-optimised building (EnOB) research initiative. The aim of this Themeninfo brochure is to provide guidance for optimising the interaction of ground source heating/cooling and thermo-active building systems as LowEx transfer systems in rooms. In addition, benchmark parameters for hydraulic subsystems and the overall system are also provided, which can be used during design, dimensioning and operation and also for quality assurance purposes.

Angaben zum Objekt

• ISSN: 1610-8302
• Umfang: 24 p.
• Sprache: Englisch

Verweise und Beziehungen

• Erschienen in: BINE Informationsdienst - Themeninfo; 2/2016

Klassifikation und Themen

• Thema: A compact guide to energy research ; Building and City: Non-residential buildings ; Building and City: Technology & components ; Building and City: Operation & optimisation

Beteiligte, Orts- und Zeitangaben

• Ereignis: Geistige Schöpfung
• (wer): Kalz, Doreen ; Koenigsdorff, Roland
• Ereignis: Veröffentlichung
• (wer): FIZ Karlsruhe - Leibniz-Institut für Informationsinfrastruktur GmbH, Eggenstein-Leopoldshafen
• (wann): 2016

Weitere Informationen

• Förderung: Förderung durch das Bundesministerium für Wirtschaft und Energie (BMWi). Förderkennzeichen: 0327466A-F. German Edition: Nichtwohngebäude effizient heizen + kühlen. Erfahrungen mit thermoaktiven Bauteilsystemen und Wärmepumpen.
• Letzte Aktualisierung: 07.03.2025, 12:05 MEZ