Reclaimed Heat From a Co2 Refrigeration System Is Used to Heat a Greenhouse

Greenhouse

CO2 at heart of Delhaize’s new Urban Farm r744.com, Jan 22, 2018 In a European first, heat reclaimed from the transcritical CO2 refrigeration system at the heart of Delhaize’s remodelled supermarket in Brussels is used to heat the greenhouses of the retailer’s rooftop Urban Farm. R744.com reports from Ixelles, a suburb of the Belgian capital. “This is … Read more

Italian Winery Is Using C02 Bases Water-brine Chillers for Heating and Cooling

CO2 at heart of Italian winery r744.com, December 5, 2017 Two Yukon CO2-based water-brine chillers from Italian firm Enex provide heating and cooling at the Abazzia di Novacella winery in the Alto Adige (South Tyrol) region of Italy. Water enters the system at 6°C and is cooled to 1°C. The system is capable of functioning in ambient outside temperatures … Read more

New York is Spurring the Deployment of Energy Storage

energy storage

Samantha Leroy, ERS, for Zondits When establishing Reforming the Energy Vision (REV) in 2014, Governor Andrew Cuomo set aggressive and exacting energy generation, usage, and efficiency targets for the Empire State. Targets set to be achieved by 2030 include a 40% reduction in greenhouse gas emissions from the 1990s, 50% of electricity generated from renewable … Read more

New Technologies Give Contractors Numerous Options for Refrigeration Systems

Refrigeration

Supermarket Refrigeration Systems Are Constantly Evolving achrnews.com, September 4, 2017 When it comes to talking about emerging refrigeration system architectures for supermarkets, it’s good to start by taking a deep breath. The days of centralized direct-expansion (DX) systems aren’t necessarily over, but those systems have been joined by a host of new technologies, including distributed … Read more

Refrigeration Battery Developed by Axiom Exergy Wins 2017 Gold Stevie Award

Axiom Exergy Wins Gold Stevie Award in 2017 American Business Awards   In an acknowledgement of its advancements in thermal energy storage, Axiom Exergy has won the Gold Stevie® Award for Energy Innovation in The 15th Annual American Business Awards. The award recognized Axiom for its Refrigeration Battery which is currently operating at a Whole … Read more

The Transition from HCFCs to Ammonia Refrigerants

Energy Efficiency ammonia refrigerants

Will the heat pump market move towards natural refrigerants? Last week at the DeCarb Heat conference in Brussels, Belgium, Eric Delforge of Mayekawa Europe told this website that the transition from HCFCs to ammonia that has already taken place in the European industrial sector is also possible in the rest of the heat pump sector. … Read more

Trump Issues a Freeze Impacting Pending Energy Efficiency Regulations

energy efficiency regulations

Trump’s regulatory freeze halts four Obama rules aimed at promoting greater energy efficiency The Washington Post, January 21, 2017 Nearly simultaneously with President Trump’s oath of office Friday, the White House website shifted to remove climate change related content from the Obama administration and supplant it with a new statement of Trump’s energy policy — one focused, it said, reducing … Read more

Chilling Food by Turning Waste Heat into Sound Waves

efficient-cooler thermoacoustic engine

Novel refrigerator turns waste heat into sound waves to cool down stuff ZME Science, December 13, 2016 Japanese researchers have demonstrated an innovative refrigerator that employs a thermoacoustic engine to cool things down to a minimum temperature of -107.4 C. This sort of heat engines based on sound waves have been researched since the 1990s for … Read more

Reefer Units Challenge the Limits of Thermal Efficiency

reefer unit

Reefer units get quieter, more efficient CCJ Digital, May 10, 2016. Image credit: I, 天然ガス, CC BY-SA 3.0 Transportation refrigeration units (TRU) are reaching heights of sophistication that rival the modern tractors that pull them across the highway. And like their truck counterparts, TRUs have made many strides to throttle back fuel consumption while also … Read more

The IIAR 2016 Industrial Conference Showcase

IIAR

A Close-up Look at Industrial Refrigeration ACHR News, April 11, 2016. Image credit: www.emsd.gov.hk The International Institute of Ammonia Refrigeration (IIAR) 2016 Industrial Refrigeration Conference and Exhibition in Orlando, Florida, treated 1,500 attendees to four days of technical information, workshops, panels, and forums covering the past, present, and future of refrigeration. A total of 148 exhibitors … Read more