Journal
ENERGY CONVERSION AND MANAGEMENT
Volume 49, Issue 10, Pages 2917-2923Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.enconman.2008.03.001
Keywords
energy efficiency; ground coupled (geothermal) heat pumps; heat pumps; heating and cooling systems
Categories
Funding
- GEO-COOL [NNE5-2001-00847]
- GEOCARE
- Ministerio de Educacion y Ciencia [ENE2004-04551/ALT]
- FEDER
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The investigation presented in this article was aimed at demonstrating the technical and economical feasibility of using ground source heat pump systems in mixed climate applications, where cooling requirements are dominant. We show an experimental comparison between a ground coupled heat pump system and a conventional air to water heat pump system, focussing at the heating and cooling energy performance. A direct comparison could be made as both systems are linked, in parallel, to the same building with exactly the same loads and climatic conditions. For a whole climatic season the results obtained show that the geothermal system saves, in terms of primary energy consumption, a 43 +/- 17% of the energy consumed by the conventional one when the system is working in heating mode, and a 37 +/- 18% when the system is working in cooling mode. (c) 2008 Elsevier Ltd. All rights reserved.
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