Résultats de recherche

  • Residential CO2 heat pump system for combined space heating and hot water heating

    This paper was presented at the IIR Gustav Lorentzen Conference in Glasgow (Sep. 2004). A theoretical and experimental study was carried out for a residential brine-to-water CO2 heat pump system for combined space heating and hot water heating - a...

    • Date de publication : 24/11/2004
  • New combined CO2 heat pump and solar heating system.

    The Institut für Thermodynamik at the Technical University of Braunschweig (www.ift.tu-bs.de) has developed a new heating system based on a CO2 heat pump connected with a solar storage tank. A...

    • Date de publication : 03/12/2007
  • GL2012 highlights: compact CO2 air-heating heat pump for industrial drying

    Researchers in Japan studied and developed a small capacity CO2 heat pump for industrial drying that is hoped will reduce power consumption to about one third.

    • Date de publication : 04/10/2012
  • Heat pumps

    - Analysis of sales of heat pumps in Austria over 2003 and 2004 has shown good growth in the heating and controlled dwelling ventilation segments. The figures were compiled with the National Ministry for Transportation, Innovation and Technology,...

    • Date de publication : 19/07/2005
  • Markets: Heat Pumps

    - Heat pumps hot in Europe According to the Swedish Heat Pump Association, SVEP, the Swedish market for domestic heat pumps has developed greatly over the last ten years, with over 100 000 heat pumps being sold in 2004. Exhaust air heat...

    • Date de publication : 05/05/2006
  • Markets: Heat pumps

    The French heat-pump market grew 112% in 2006, reaching 53 510 units sold. The sales increase was even greater in Germany, where 139% growth occurred.

    • Date de publication : 12/02/2008
  • CHEs in heat pumps

    In its Annex 33, "Compact Heat Exchangers in Heat Pumping Equipment" issued in September 2010, the Heat Pump Programme details the benefits of using compact heat exchangers (CHEs): . Improved heat exchanger thermal effectiveness: thermal...

    • Date de publication : 07/02/2011
  • Heat exhangers: what's new?

    Nanotechnology: the future of heat exchangers? The US Department of Energy has awarded contracts to improve energy efficiency. One such contract, awarded to TIAX, a technology development company, through the Small Business Innovation...

    • Date de publication : 05/05/2006
  • Heat Pump Programme success

    The International Energy Agency (IEA) launched a Heat Pump Programme in January 2003, which ended in May earlier this year. Ten countries participated in the programme: Austria, Canada, France, Japan, Norway, Sweden, UK and USA. They joined...

    • Date de publication : 23/11/2005
  • Heating and cooling ceilings

    The upcoming translation of European Directive 2002/91/EC on improving energy efficiency in buildings into EU national legislation in January 2006 calls for a clear improvement in the energy efficiency of cooling and heating systems. In view of...

    • Date de publication : 26/10/2005
  • Converting waste heat into cooling

    A prototype that has succeeded in converting waste heat into cooling capacity could lead to new solutions to harness excess energy produced by systems.

    • Date de publication : 23/03/2012
  • Market: European heat pump market

    - The European Heat Pump Association (EHPA) has published an updated version of its outlook for the European heat pump market. The report shows that after 2 years of very difficult economic times, the market decline has stopped and heat pump...

    • Date de publication : 07/02/2011
  • Market: Japanese heat pump market

    A Japanese market research company has analysed the Japanese heat pump market for applications in Eco-Cute water heaters and air-conditioners and published a forecast for market development over the next 10 years. Growth expectations for the...

    • Date de publication : 07/02/2011
  • Markets: Nordic heat-pump markets

    In Sweden, heat pump sales reached a record 48 806 in 2003. Until now, single-family homes were the main niche, but growth is expected to shift to apartment buildings. Source: Swedish Heat Pump Association, Martin Forsén, Tel: +46 8 762 75 Norway...

    • Date de publication : 27/07/2004
  • Heat pump penetration in Europe

    In spite of the overall market setback in 2009, the long-term growth trend for heat pumps in Europe is upwards, says a report from the IEA Heat Pump Centre (Sweden). For the 9 countries analysed, the total installation rate was 525 000 units...

    • Date de publication : 09/06/2011