Investigations of speed controlled heat pumps for NZEB in IEA HPT Annex 49

Speed controlled heat pumps are entering more and more the heat pump markets for space heating and domestic hot water (DHW) applications. In this study the design and control of speed controlled air-to-water heat pumps in net zero energy buildings are investigated by simulations of a single family h...

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Bibliographic Details
Published inJournal of physics. Conference series Vol. 1343; no. 1; pp. 12078 - 12083
Main Authors Rominger, Lukas, Wemhoener, Carsten, Buesser, Simon
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.11.2019
Subjects
Green buildings
Heat pumps
Hot water heating
Physics
Space heating
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Summary:Speed controlled heat pumps are entering more and more the heat pump markets for space heating and domestic hot water (DHW) applications. In this study the design and control of speed controlled air-to-water heat pumps in net zero energy buildings are investigated by simulations of a single family house. The results confirm an increase in efficiency by using a speed controlled heat pump compared to an on/off controlled heat pump both in heating mode and in DHW mode. Further on, the correct sizing and control of a speed controlled heat pump is also important to reach a high efficiency.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1343/1/012078