By equipment

Bitzer has announced the development of a subcooling unit capable of boosting the efficiency of both new and retrofit transcritical CO₂ systems in warm climates.

Chemours’ Opteon XL41 (R454B), a lower GWP replacement for R410A, has been selected by Johnson Controls for its York YLAA scroll chiller platform in Europe.

Honeywell’s Solstice N40 (R448A) refrigerant has been listed as acceptable by the US EPA for use in retrofits in ice rinks in the USA.

A semi-hermetic compact screw compressor for ammonia will be a highlight of GEA’s presentation at Chillventa next week.

The convenience store Seven-Eleven is said to be the first Japanese retail chain to switch its R404A refrigeration systems to the lower GWP R448A.

German compressor manufacturer GEA is gearing up to showcase “the largest range of compressors for natural refrigerants” at Chillventa, the world’s biggest HVAC&R show. The 2018 edition of the event is taking place from 16-18 October at Nuremberg Messe, Germany.

Johnson Controls’ York YZ chiller, using low GWP refrigerant R1233zd is a finalist in the AHR Expo Product of the Year Award.

Güntner, the German manufacturer of heat transfer technologies, will showcase its wide range of natural refrigerant products at Chillventa, the world’s biggest HVAC&R show, from 16-18 October 2018 at Nuremberg Messe, Germany.

Energy savings, innovative technologies for warm-ambient countries and heat recovery will help to grow the market for natural refrigerants in Spain, according to participants in the 2018 edition of Tecnofrío, Spain’s leading HVAC&R congress.

A forward-thinking, environmentally-aware university has included Daikin split systems, using lower GWP refrigerant R32, in a major refurb of its School of Business.

Keen to trial new technologies as it searches for the most effective means of meeting its sustainability targets, Swiss retailer Migros is installing propane-based water-loop HVAC&R systems in small supermarkets.

The U.S. Department of Energy (DOE) announced last week that it had given a $3-million grant to develop a low-cost, long-duration electrical energy storage system that uses a CO₂ heat pump.

Chillventa celebrates its 10th anniversary next month with its biggest ever show, passing the 1,000 exhibitor milestone for the first time.

At the 2018 International Motor Show (IAA) in Hannover, Germany (20-27 September 2018), Eberspaecher Suetrak is showcasing its CO₂ mobile air conditioning (MAC) system for buses.

Casa Ley, a major food retailer in Northwest Mexico that operates 246 stores, has formed some fruitful relationships with businesses in the U.S.

Convinced that natural refrigerants will continue to play a central role in delivering its sustainability goals, Swiss retailer Migros wants the “vast majority” of its supermarkets to use natural refrigerants by 2030 – most of which will use CO₂ transcritical systems.

Technology suppliers made the case for the energy saving potential of CO2 heat pumps in Southeast Asia’s hospitality sector.

The Spanish government has approved a plan for €1.5m in aid for the conversion or replacement of supermarket refrigeration systems to alternative low GWP refrigerants.

A recent paper argues that multi-ejector CO₂ technology in supermarkets can lead to better performances than HFCs in terms in energy efficiency, even in warm climate locations. As a result, the “CO₂ equator” could be moved south.

Convinced of their status as a market-ready alternative to HFCs, Swiss retailer Migros expects the “vast majority” of its supermarkets to use natural refrigerants by 2030 – most of which will use CO₂ transcritical systems.