Search results

  • US refrigeration efficiency

    Commercial refrigeration manufacturers developed a Consensus Agreement that is to be put forward to the US Department of Energy (DOE) and members of Congress in the hope that it shall be included in new energy efficiency legislation. According to...

    • Publication date : 2005/07/19
  • Absorption: triple efficiency

    The world's first triple-effect absorption chiller-heater with a cooling COP (higher calorific value basis) of 1.6 was released in October of last year by Kawasaki Thermal Engineering. This system consists of an ordinary double-effect lithium...

    • Publication date : 2006/01/28
  • Chillers: efficiency takes off

    Chillers are key refrigerating systems since, according to the Department of Energy, in the US, they account for about 13% of the power consumed by the nation's buildings and 9% of the overall demand for electric power. Examples below illustrate...

    • Publication date : 2008/10/25
  • ASERCOM Energy Efficiency Award 2004

    The ASERCOM Energy Efficiency Award is designed to recognize the most valuable concept of innovation in the improvement of energy efficiency in a vapour-compression cycle applied to a refrigeration/air-conditioning/heat pump system. This award is...

    • Publication date : 2004/07/15
  • Scroll compressors offer top efficiency

    Scroll compressors offer top efficiency The Taiwan-based compressor manufacturer ChynTec International Co. Ltd. published an article earlier this year offering a synthetic comparison of the general performance of reciprocating, scroll and screw...

    • Publication date : 2005/12/22
  • EU Directive 2012/27 on energy efficiency.

    On October 25, 2012, the European Union adopted the Directive 2012/27/EU on energy efficiency. This Directive establishes a common framework of measures for the promotion of energy efficiency within the EU.

    • Publication date : 2013/04/05
    • Subjects: Regulation
  • High efficiency, low carbon supermarket refrigeration

    This paper was presented at the IIR Gustav Lorentzen Conference in Glasgow (Sep. 2004). A new but simple high efficiency refrigeration system design suitable for use in supermarkets has been developed based on standard components so that...

    • Publication date : 2004/11/24
  • Energy efficiency and labelling systems in Asia

    During a recent symposium on energy efficiency and labelling systems in Asia held in Tokyo, valuable information was given on the status of some projects: - In China, household appliance energy-efficiency labelling was first implemented with...

    • Publication date : 2009/08/13
  • Briefs: ASERCOM Energy Efficiency Award 2008

    Win 10 000 € for the top concept. The Association of European Refrigeration Component Manufacturers, ASERCOM, is to award its annual prize to the most innovative energy saving concept in refrigeration or air conditioning, including heat pumps. For...

    • Publication date : 2008/05/13
  • US: DOE proposes higher efficiency standards for refrigerators

    The US Department of Energy (DOE) has proposed a new energy efficiency standard for residential refrigerators, refrigerator-freezers and freezers which could save as much as USD 18.6 billion over 30 years. According to DOE, over the last 40...

    • Publication date : 2011/07/01
  • The first 20 SEER (Seasonal Energy Efficiency Rating)

    What is claimed to be the first 20 SEER (Seasonal Energy Efficiency Rating) residential air conditioner has been introduced by Lennox Industries, USA. The XC21 air conditioner has a two-stage scroll compressor and operates on two levels: a high...

    • Publication date : 2005/07/19
  • California approves new energy efficiency rules for appliances

    The California Energy Commission has approved new energy efficiency regulations for selected appliances sold in the State. They regulate appliances including: evaporative coolers, refrigerators, freezers and commercial icemakers, ceiling fans,...

    • Publication date : 2005/02/10
  • Briefs: New online energy-efficiency benchmarking tool

    The ICE-E (Improving Cold Storage Equipment in Europe) project is launching a new online benchmarking tool making it possible for users to compare the performance of their cold store against statistical data, identify potential energy savings and...

    • Publication date : 2011/02/07
  • Mexico: new energy efficiency standard regarding air conditioners

     Mexico’s Ministry of Energy has issued a mandatory standard (NOM-023-ENER-2010) that establishes minimum energy efficiency limits, test procedures and labelling requirements for mini-split and multi-split air conditioners. The standard...

    • Publication date : 2011/08/11
    • Subjects: Regulation
  • Agreement on air conditioner efficiency standards in the US

    On November 11, 2004, air conditioner manufacturers and energy efficiency advocates in the US announced a consensus agreement on equipment efficiency standards for air conditioners and heat pumps. The current federal standard, Energy Efficiency...

    • Publication date : 2005/02/11
  • 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
  • Hydrocarbon refrigerants

    Hydrocarbons such as R290 (propane), R600a (isobutane) or R1270 (propene/propylene) are low GWP non-toxic natural refrigerants with excellent thermodynamic properties. They offer an...

    • Last update : 2022/06/22
    • Langues : French, English
    • Themes : Hydrocarbons, Containment, refrigerant charge reduction
  • 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…)
  • For IIR members only

    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 : 2022/10/12
    • Langues : French, English
    • Themes : Ice creams
  • 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 : 2022/06/20
    • Langues : French, English
    • Themes : LNG and LPG
  • 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)