| |
| |
| |
supported by | | Ten ground source heat pumps tested in GermanySep. 05, 2007 - The German test institute "Stiftung Warentest" has published test results for ten brine-to-water heat pumps with integrated hot water preparation and storage in its journal, issue 06/2007. A table summarizing the test results and average prices is to be found on the website of "Stiftung Warentest" (in German). The winning heat pump of this tests was "Vaillant geoTHERM plus" (heating capacity 5,9/8/10,4 kW). With a SPF of 4,7 this model achived also the best energy efficiency. | |
