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  • Latest research on ammonia-based absorption refrigeration systems

    A recent article has reviewed literature on absorption chillers that use ammonia as a refrigerant, along with water (H2O), lithium nitrate (LiNO3), and lithium nitrate + water...

    • Publication date : 2021/02/25
    • Subjects: Technology
  • Great potential for solar district cooling in Saudi Arabia

    A recent modelling compares the performances of a two-stage and a single-stage absorption chiller in a solar district cooling system in Riyadh, Saudi Arabia.

    • Publication date : 2018/12/27
    • Subjects: Developing country
  • Solar cooling: Plans for air-conditioned stadiums in Qatar

    When Qatar won the bid to host the 2022 football World Cup in December 2010, it came as a surprise. One of the major causes of scepticism was the average summer temperatures of over 40°C with recent peaks at 50°C. But central to Qatar's bid was a...

    • Publication date : 2011/02/11
  • Sorption chillers

    Sorption chiller technology is rapidly developing, especially that using solar energy. - As highlighted by Jacob and Kohlenbach* during the latest IIR Gustav Lorentzen Conference on Natural Working Fluids in Sydney, in Europe, numerous new...

    • Publication date : 2011/02/07
  • Briefs: Giant chiller

    A 5-MW 2-stage water-lithium bromide absorption chiller was recently inaugurated at Ulm Technical University in Germany. The Chinese-manufactured chiller is driven by hot wastewater (180°C) from a bio-energy-fired cogeneration plant. This...

    • Publication date : 2004/04/28
  • 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
  • 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
  • Briefs: BOCOG

    The Beijing Organizing Committee for the Games of the 29th Olympiad (BOCOG) - in co-operation with China's State Environmental Protection Administration and UNEP - is addressing stratospheric ozone protection as part of the 2008 Beijing Olympic...

    • Publication date : 2007/08/05
  • Largest electric refrigerated truck

    In October 2011, Renault Trucks handed over a 100% electric truck to STEF, a cold-chain logistics specialist. The manufacturer claims it is the largest ever electric truck for food delivery. It will be tested for a year, starting in January 2012,...

    • Publication date : 2012/03/14
  • Solar cooling on a district-scale in the South of France

    The installation could cut CO2 production by 40 tons annually!

    • Publication date : 2013/09/26
  • R&D

    The US Department of Energy's National Renewable Energy Laboratory (NREL) has developed a new air-conditioning system combining membranes, evaporative coolers and desiccants into a single device with the objective to suit to all climates,...

    • Publication date : 2011/02/07
  • Solar Air conditioning

    With high summer temperatures, air-conditioning and thermal comfort are increasingly important issues, but raise the challenges of high energy consumption and of environmental consequences. Three recent projects use solar energy to operate...

    • Publication date : 2007/08/05
  • Solar heating and cooling: key trends and challenges

    In 2020, the solar thermal energy yield amounted to 407 TWh, which correlates to savings of 43.8 million tons of oil and 141.3 million tons of CO2. Although still only a niche market, solar cooling...

    • Publication date : 2021/09/07
  • Liquid desiccant AC system cuts ice rink energy bill

    Thanks to a liquid-desiccant air-conditioning system and the use of renewable energy sources, Pines Ice Arena in Pembroke, Florida, claims to have achieved 55% electricity savings, as well as a 35% reduction in natural gas consumption and a...

    • Publication date : 2011/08/05
  • China introduces new energy labels

    . The Chinese Ministry of Environmental Protection along with UNEP, UNIDO, GIZ and CHEAA recently released the Environmental Protection and Low-GWP label for room air conditioners and air-to-water heat pump water heaters. The eligibility...

    • Publication date : 2015/10/22
    • Subjects: Regulation