Reinventing steam with three new technologies Eureka!, May 8, 2017 Heliex Power, the East Kilbride-based energy company, has launched three products to help a variety of industries maximise their energy efficiency, by building on its existing unique steam technology. The company, working with City, University of London, discovered a way of harnessing ‘wet’ steam – … Read more
Aligned Energy opens 51-acre facility in Phoenix Datacenter Dynamics, May 5, 2017 Green energy investment and holding company Aligned Energy has opened a colocation facility at 2500W Union Hills in Phoenix, Arizona. The 550,000 sq ft (51,000 sq m) facility uses a patented heat recovery system, Intertech, to improve efficiency. Aligned with the times The data … Read more
Chiller Sets New Benchmarks For Energy Efficiency, Tight Control Plastics Technology, April 24, 2017 Here are more details on what is heralded as “the most efficient industrial process chiller on the market,” first discussed briefly in last month’s Keeping Up section. Jochen Naujokat, president of Delta T Systems, Richfield, Wis., and Rick Holzhauer, the firm’s chief mechanical … Read more
Advansor enters CO2 fishing race R744, April 19, 2017 According to Advansor, of the 4.7 million small and medium-sized fishing vessels currently active worldwide, approximately 80% use climate-damaging refrigerant R22. The Danish firm and other companies are teaming up with UNIDO and the Danish Technological Institute (DTI) in a joint working group to develop a … Read more
Bryan Kilgore, ERS, for Zondits DeCicco & Sons, a New York grocery store chain, installed a transcritical CO2 refrigeration system at their store in Larchmont, NY. They recently compared the energy consumption at their Larchmont store to their similarly sized store in Ardsley, NY, that has a comparable refrigeration load, but with an R-404A refrigeration system. They … Read more
Bryan Kilgore, ERS, for Zondits Using CO2, or R-744, as a refrigerant is not a new concept, but it has not had widespread commercial use since the 1930s. The use of CO2 as a refrigerant was replaced in 1930 with a new synthetic refrigerant, developed by DuPont and General Motors, known as Freon. Freon is … Read more
Question: When is a CO2 Refrigeration System a Good Option for a Supermarket/Convenience Store? Bryan Kilgore, ERS, for Zondits The cost margins for retail food stores are razor thin, so when does upgrading or replacing an old refrigeration system with a new CO2 system make sense? Will the system be efficient, reliable, safe, and cost-effective? Answer: … Read more
Demand Response and Smart-grid Technologies in Supermarkets ACHR News, March 13, 2017 Supermarkets typically operate with razor-thin margins, which means fresh ideas that improve profits, such as participating in utility demand response or peak-shaving programs or selling thermal energy to local district heating and cooling grids to produce a revenue stream, are always welcome. Today, … Read more
Major U.S. retailer using MRBRAZ ammonia chillers for AC Ammonia 21, March 15, 2017 MRBRAZ & ASSOCIATES, an engineering design firm based in Azle, Texas, has designed and installed low-charge DX ammonia chillers that provide air conditioning in office space at about 10 warehouse locations run by a major U.S. retailer, including four in the … Read more
Bryan Kilgore, ERS, for Zondits Panasonic has released a new 30-horsepower CO2 refrigeration system that they created by linking their 20 hp and 10 hp CO2 systems already in production. This hybrid/cascade system is intended to meet the capacity needs of supermarkets, where their two smaller systems are popular with convenience stores. In Japan the size of … Read more