Greenhouse

Reclaimed Heat From a Co2 Refrigeration System Is Used to Heat a 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 […]

Bitcoin

The Growing Energy Demand of Bitcoin

Ryan Pollin, ERS, for Zondits There are lots of things we can say about Bitcoin, and its underlying blockchain technology. Given the cryptocoin’s recent explosion in value (real or perceived), a commensurate explosion in “mining” has caused startling growth in energy demand in data centers. Bitcoin’s blockchain technology uses a proof-of-work model to establish trust […]

winery

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 […]

Refrigerators

A Guide to Purchasing an Energy-Efficient Refrigerator

Guide to Energy-Efficient Refrigerators Constellation, 2017 The refrigerator is one of your home’s hardest working appliances, typically making up 13.7 percent of a home’s energy usage, according to the Department of Energy. In other words, owning energy-efficient refrigerators makes good financial sense! The question, though, is which energy-efficient refrigerator model should you choose? What are the […]

CO2

Firm Opens a Research Laboratory to Test Transcritical CO2 refrigeration Systems

Japanese firm boasts ‘world’s first’ CO2 research laboratory r744.com, November 29, 2017 To push the development of CO2 technology forward – especially in the food-manufacturing sector – Food Techno Engineering Co., Ltd. (FTE), an engineering and contracting company headquartered in Osaka, Japan, has opened a research laboratory to demonstrate and test cutting-edge transcritical CO2 refrigeration systems. The CO2 research […]

Motor

Motor Manufacturers Seek Additional Time to Comply With Energy Norms

Motor makers seek time to meet energy norms No suitable raw material, infra in place, say manufacturers thehundu.com, December 2, 2017 Manufacturers of electric motors have sought additional time to comply with the energy efficiency norms stipulated by the government earlier this year. According to them, the appropriate raw materials should be available in adequate […]

EC Motor

Bannister Urges for OEMs to Build With Future Energy Efficiency Requirements Now

Motor efficiency: aiming high Control Engineering Europe, October 30, 2017 Brian Bannister argues that it is better for OEMs to build in compliance to electric motor energy efficiency requirements now, to avoid the need for future product redesigns, and to provide customers with immediate energy saving benefits. New European statutory efficiency requirements for electric motors, which […]