Search results

  • China: new CO2 heat pump standard

    Standard GB/T26181-2010 is for hermetic motor-compressors for household and similar-use heat pump water heaters using CO2 refrigerant, and is expected to accelerate the introduction of new products on the Chinese market.

    • Publication date : 2011/12/22
  • The global refrigeration compressor market

    Bien que pénalisé par la pandémie de Covid-19 qui a fortement impacté le secteur du conditionnement d’air, le marché des compresseurs a progressé dans certains domaines tels que la chaîne du froid, l’industrie...

    • Publication date : 2021/04/29
    • Subjects: Figures, economy
  • A semi-hermetic ammonia heat pump for heating and cooling an office complex

    An innovative semi-hermetic ammonia heat pump for heating and cooling 40,000 m2 of apartments and business premises was recently installed in Eindhoven, the Netherlands.

    • Publication date : 2018/12/27
  • 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
  • Noise reduction strategies for screw compressors

    The operating noise of twin-screw compressors is an important issue that may limit their scope of application. Two recent IJR papers suggest several noise reduction methods and analyse their...

    • Publication date : 2021/05/31
  • Expanding market for hydrocarbon compressors

    Several compressor makers are introducing new models operating with hydrocarbon refrigerants. For example ComStar International Inc., will offer compressors with the newly approved R-441A (HCR 188C), patented blend of ethane, propane, butane and...

    • Publication date : 2011/06/15
  • World AC and compressor trends

    In its recent report, JARN estimates that the HVAC&R market in 2006 was about 66 billion USD and about half of sales were air conditioners and related products. - Regarding the AC market, China, the US, Japan and major European countries make...

    • Publication date : 2007/05/04
  • 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
  • Briefs: Danfoss

    Danfoss has won the 2004 AHR Expo Innovation Award in the refrigeration category for its TN hermetic compressor for CO2. The Innovation Awards, jointly sponsored by ASHRAE and ARI, are designed to encourage innovation and recognise significant...

    • Publication date : 2004/04/28
  • Development and evaluation of a reversible CO2 residential air conditioning system compared to a state-of-the art R410a unit

    This paper was presented at the IIR Gustav Lorentzen Conference in Glasgow (Sep. 2004). A reversible CO2 prototype RAC split unit system was designed, built and installed in two calorimetric test chambers. The unit is based on the Lorentzen Cycle...

    • Publication date : 2004/11/24
  • World refrigeration compressor market

    In 2019, the world refrigeration compressor market recorded a significant increase but the growth rate has noticeably decreased, mainly due to the decline in the Chinese air conditioning market.Inevitably, the...

    • Publication date : 2020/06/26
    • Subjects: Figures, economy
  • Compressors2013 highlights: technical advancements related to refrigeration compressors

    During the successful IIR International Conference on Compressors and Coolants held in Casta Papiernicka in June 2013, several papers were dedicated to technological advancements related to refrigeration compressors.

    • Publication date : 2014/01/03
  • For IIR members only

    Record: heat pump less than 10 g of propane per kW

    German researchers have developed a refrigeration circuit integrating a propane heat pump that achieves a heating power of 12.8 kW with only 124 g of refrigerant. 

    • Publication date : 2022/10/27
  • Honeywell tests new R404A replacement

    Honeywell has been testing a new low-GWP refrigerant as a potential replacement for R404A in hermetically-sealed refrigeration systems

    • Publication date : 2014/09/24
  • World compressor market

    According to JARN, global demand for refrigerating compressors increased substantially in 2014 compared to 2013.

    • Publication date : 2015/07/02
    • Subjects: Figures, economy
  • News from IIR members: MYCOM Mayekawa

    The Japanese compressor manufacturer MYCOM Mayekawa will be introducing its high-efficiency NH3/CO2 cooling system NewTon3000 within the context of the Garden City Ammonia Program (GCAP). GCAP is actively promoting CO2 emissions reduction and...

    • Publication date : 2011/02/07
  • Conference update: Ohrid

    The 3rd IIR event in a series, Ammonia Refrigeration Technology was held on May 7-9, 2009, in Ohrid, Macedonia. With 95 participants from 24 countries and 32 papers presented, the event was very successful. A key focus of this series of...

    • Publication date : 2009/05/27
  • News from IIR members: Tecumseh do Brasil

    Tecumseh do Brasil has reached a landmark of 170 million compressors manufactured since the company was set up 35 years ago. The company manufactures hermetic compressors and condensing units for domestic and commercial refrigeration and air...

    • Publication date : 2009/05/18
  • IIR member news: Embraco

    Embraco, IIR Corporate Member, announced the launch of a new oil-less linear compressor design for domestic refrigeration.

    • Publication date : 2014/04/27
  • Call for abstracts: IIR Compressors Conference 2020

    Set to celebrate its 10th anniversary edition in the series, the IIR next Conference on Compressors and Refrigerants has launched a call for abstracts. Don't miss the deadline!

    • Publication date : 2019/11/04