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Heat pumps in low-heating-energy buildings.

Author(s) : HALOZAN H., RIEBERER R.

Summary

Heat pumps offer the possibility of efficiently producing low-temperature heat. To utilize this capability, all components of a heating system have to be taken into consideration. In buildings with specific heat loads of 60 W/m2 equipped with a floor heating systems with maximum supply temperatures of 35 °C, combined with direct-evaporation ground-coupled systems, seasonal performance factors of 4 are being achieved. Reducing the specific heat load further, controlled ventilation with heat recovery by means of a heat exchanger and an air/air heat pump becomes interesting. A further improvement is to use an air collector buried in the ground for preheating the outside air.

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Details

  • Original title: Heat pumps in low-heating-energy buildings.
  • Record ID : 2000-1513
  • Languages: English
  • Source: 20th International Congress of Refrigeration: Refrigeration into the Third Millennium.
  • Publication date: 1999/09/19

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