E3S Web Conf.
Volume 362, 2022BuildSim Nordic 2022
|Number of page(s)||6|
|Section||Heatpumps and Solar|
|Published online||01 December 2022|
Air-, ground- and dual-source heat pumps: a comparison between energy-efficient systems for a Swedish dwelling
KTH Royal Institute of Technology - Department of Energy Technology, Stockholm, Sweden
* corresponding author: email@example.com
Air-source heat pumps (ASHPs) and ground-source heat pumps (GSHPs) are the most spread heat pumps nowadays. However, they suffer from drawbacks that could be mostly overcome coupling the two heat sources, i.e., using dual-source heat pumps (DSHPs). In this study, we compared the techno-economic performance of ASHPs and GSHPs for a small Swedish single-family house. We also calculated the performance improvements achieved using dual-source heat pumps, and evaluated the economic conditions necessary to make the dual-source heat pumps economically competitive with the more traditional systems. We found that the GSHPs were more efficient than the ASHP during the first year of installation, but their performance decreased - sometimes dramatically - during their lifetime. However, investing in either systems was always beneficial and no significant differences tended to exist between the investments. The dual-source heat pumps had– sometimes significantly – higher performance than the conventional systems but they might not be economically competitive with the more conventional systems.
© The Authors, published by EDP Sciences, 2022
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0/).
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.