Researchers from the Technical University of Braunschweig and Volkswagen have found a CO2-based heat pump to be the most efficient of four options studied for mobile air conditioning (MAC).
To justify end-user incentives, Efficiency Vermont will oversee a pilot comparing energy savings of a CO2 system to that of an HFC system. Efficiency Vermont, an efficiency utility under the auspices of the nonprofit Vermont Energy Investment Corp. (VEIC), is overseeing a test of a CO2 condensing unit in a supermarket, one of the first such installations […]
How can retailers save money with natural refrigerants in the long run? As Europe’s food retail sector strives to improve its energy efficiency, Accelerate Europe compares how CO2 and hydrocarbons are helping to reduce energy consumption in supermarkets. Written by Charlotte McLaughlin, r744.com, July 17, 2018 Supermarkets are estimated to be responsible for around 3-4% of the total […]
How to install an efficient large-scale heat pump for district heating? A new paper from German compressor manufacturer GEA purports to answer this question. Written by Charlotte McLaughlin, ammonia21.com, July 3, 2018 A new paper from German compressor manufacturer GEA Refrigeration will be presented at a Sustainable Innovation in Refrigeration Air Conditioning and Heat pumps (SIRACH) […]
Australia firm installs its largest low-charge NH3 plant Written by Devin Yoshimoto, ammonia21.com, March 9, 2018 On 1 Feburary 2018, Australian industrial refrigeration system supplier Scantec Refrigeration Technologies commissioned its largest low-charge ammonia (NH3) system in the country. The system’s total NH3 inventory is 750-800 kg and it provides cooling for a total of 114,000 m³ of […]
U.S. lags in flammable refrigerant safety Written by Mark Hamstra, hydrocarbons21.com, April 2, 2018 As the U.S. adopts the use of larger charges of flammable hydrocarbon refrigerant, it can learn from the safety standards and guidelines already in place in other regions, said Bill Goetzler, managing director, Navigant Consulting. Speaking at the AHR Expo in […]
Propane air conditions METRO store in Italy Written by Charlotte McLaughlin and Dario Belluomini, hydrocarbons21.com, March 19, 2018 Two propane chillers provide both cooling power to the subcooling system after the CO2 transcritical gas cooler and air-conditioning during summer time in a METRO Italia Cash and Carry superstore in Padova, North-Eastern Italy. This installation is part […]
Germany awards ecolabel to R290 split AC Written by Charlotte McGlaughlin, hydrocarbons21.com, March 12, 2018 The German government’s Blue Angel Ecolabel has been awarded to Chinese manufacturer Midea for its split air-conditioning (AC) system using propane (R290), according to the scheme’s website. The ‘Blue Angel’ initiative is an Ecolabel for certifying some 120 different product types, […]