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  • Efficiency of ground source heat pump systems

    Ground source heat pumps (GHSP) have been reported to be more efficient than more widespread air source heat pumps despite higher installation costs. A recent article has reviewed parameters impacting the energy...

    • Publication date : 2021/03/29
    • Subjects: Technology
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  • Non-residential air-conditioner market growths in 6 European countries

    The non-residential air-conditioner market in Europe Top 6 (Italy, Spain, France, UK, Germany, Poland) is continuing to slowly recover lost ground since the last recession.

    • Publication date : 2014/10/09
    • Subjects: Figures, economy
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  • Earth-to-air heat exchanger for air conditioning in a Colombian tropical weather

    In a recent theoretical study, a passive cooling system using an earth-to-air heat exchanger (EAHE) was modelled for the Colombian tropical weather.

    • Publication date : 2021/08/02
    • Subjects: Technology, Developing country
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  • World air-conditioning market in 2019

    Despite a decline of -0.8% in sales globally, many markets performed well in 2019. Inverter technology and smart air conditioners are steadily gaining ground globally while sales of R32 systems are increasing...

    • Publication date : 2020/03/01
    • Subjects: Figures, economy
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  • How about refreshing Parisians with the Seine river water... (in French)

    Following discussions between the Snefcca - French national trade union for refrigeration, professional cooking facilities and air conditioning companies) and the Paris City Hall (France), the project to use the non-drinking water network in order...

    • Publication date : 2016/10/10
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  • R22 and R134a emissions double, even triple, in summer

    In a recent article published in the Proceedings of the National Academy of Sciences, B. Xiang et al. present the results of in situ observations of R22 and R134a taken from research aircraft over the Pacific Ocean combined with long-term ground...

    • Publication date : 2015/02/19
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  • Brief: Protrait of an optimal system

    With looming commitments under the Kyoto Protocol, energy efficiency in buildings, including in art galleries, is essential. Paintings not only require an aesthetic environment, but one in which the air temperature and humidity is controlled. The...

    • Publication date : 2006/05/05
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  • ASHRAE Technology Awards: winning project features green design

    The ASHRAE Technology Awards recognize outstanding achievements by members who have successfully applied innovative building design in the areas of occupant comfort, indoor air quality (IAQ) and energy conservation. The designs incorporate ASHRAE...

    • Publication date : 2005/06/14
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  • Underground river to cool the London tube

    The "Cooling the Tube" competition in 2003, promising GBP 100 000 to those finding a workable solution to cool the Tube, received 3400 entries. Modern systems with large tunnels and surface lines can be cooled using air-cooling systems. However,...

    • Publication date : 2005/02/11
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  • China heat pump market in 2023

    Although the country still relies heavily on coal for heating, China is currently the only major market where heat pumps sales grew in 2023, when global sales declined by 3%...

    • Publication date : 2024/04/26
    • Subjects: Figures, economy
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  • Briefs: Energy efficiency rise in the US residential sector

    According to statistics compiled by the Air-Conditioning and Refrigeration Institute (ARI), energy-efficient products are gaining ground in the US residential sector. Following the rise of the mandatory energy efficiency standard to 13 SEER...

    • Publication date : 2007/11/20
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  • Briefs: EU Directive recognizes heat pumps as a renewable energy technology

    On December 17, 2008, the European Parliament adopted the EU Directive on the promotion of the use of energy from renewable sources. The final compromise text for the first time includes aerothermal and hydrothermal energy sources, effectively...

    • Publication date : 2009/02/25
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  • Briefs: solar air-conditioning prototype

    As part of the European programme Solera, CEA LITEN researchers recently set up a 4.5-kW solar air-conditioning prototype in the facilities of the INES (French National Institute of Solar Energy) in Chambéry in the French Alps, where the system...

    • Publication date : 2009/12/09
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  • 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...

    • Publication date : 2006/05/05
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  • Briefs: Birthplace of AC condemned

    Buffalo Forge Co. once was a prosperous industrial complex, covering 14 acres, active as early as 1877, but is now being demolished. The Forge is a landmark in industrial history as it is the birthplace of modern air conditioning, invented early...

    • Publication date : 2006/07/26
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  • Cryogenic nitrogen in the food and beverage industry

    The adoption of cryogenic processes in the food and beverage industry is predominantly driven by liquid nitrogen (LIN), and it is the preferred candidate for food chilling and...

    • Last update : 2023/11/07
    • Langues : French, English
    • Themes : Freezing of foodstuffs
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  • Ice cream manufacturing, environmental impact and market data

    From a physico-chemical point of view, ice cream is a complex, frozen multiphase mixture. The manufacturing process includes several stages of freezing which are described in this...

    • Last update : 2023/06/30
    • Langues : French, English
    • Themes : Ice creams
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  • Additive manufacturing of heat exchangers

    In the refrigeration industry, additive manufacturing (colloquially referred to as “3D printing”) makes it possible to fabricate novel, complex and potentially more energy efficient...

    • Last update : 2022/09/07
    • Langues : French, English
    • Themes : Evaporators, condensers and other heat exchangers
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  • Liquefied Natural Gas: production process and cold energy recovery

    Liquefied natural gas (LNG) is natural gas that has been cooled to about -160 °C and turned into a liquid to facilitate transportation and storage. A typical LNG supply chain...

    • Last update : 2023/06/23
    • Langues : French, English
    • Themes : LNG and LPG
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  • Environmental impact of the ice cream industry

    This summary document describes the environmental impact of ice cream manufacturing, which is mainly due to the energy consumption and refrigerants used.

    • Last update : 2022/11/17
    • Langues : French, English
    • Themes : General information on environment (climate change, ozone depletion…)
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  • Additive manufacturing of regenerators for caloric cooling

    In many areas of engineering, additive manufacturing allows the production of complex and multifunctional products that could not be manufactured using traditional methods. In the...

    • Last update : 2022/09/16
    • Langues : French, English
    • Themes : Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling)
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  • Cryogenics in the pharmaceutical industry: drug design and bioavailability improvement

    Research activities in the pharmaceutical sector focus primarily on developing novel drug formulations which can elicit the desired response upon being administered to the patient...

    • Last update : 2023/03/10
    • Langues : French, English
    • Themes : Freeze-drying in biology and medicine, Cryobiology, cryomedicine: general information
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