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Ground source heat pump (GSHP) systems are significantly more energy efficient than conventional heating and cooling systems, but they have suffered from low market penetration. This study analyzes the implications of and barriers to nation-wide GSHP retrofits in U.S. single-family houses based on national databases of housing units and home energy use. Our model estimates maximum annual savings of...
During the recent years in Finland, there has been a clear trend that ground source heat pumps are the most widely used main heating source in new detached houses. In addition, other heat pumps have been installed as a supporting heat source and/or to provide cooling. Similar trend cannot be seen in new apartment buildings but heat pumps could be utilized more widely also there.Going towards nearly...
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