Tech Corner

LED Lighting Efficiency Improvements Are Lowering the Electricity Demand

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LED

LED lighting leads region’s energy efficiency improvements KTVZ.com news source, October 17, 2017 PORTLAND, Ore. – Lighting efficiency improvements, especially the growing market for LED lights, helped Northwest utilities reduce electricity demand in 2016. The efficiency improvements totaled 275 average megawatts, the average power demand of 184,000 Northwest homes, according to the Northwest Power and … Read more

OEM Makes NXTCOLD Ultra-low-charge Ammonia Become More Available

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Hillphoenix adds NXTCOLD to portfolio Ammonia 21, September 27, 2017 Conyers, Ga.-based OEM Hillphoenix announced Tuesday the addition of NXTCOLD ultra-low-charge ammonia systems to its industrial refrigeration portfolio, making the patented technology available to customers in North America and Latin America for cooler, freezer and blast freezer applications. Hillphoenix also offers transcritical CO2 to industrial and … Read more

Target Phantom Plug Loads, Not Phantom Savings

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phantom plug loads

Max Ma, ERS, for Zondits Plug loads are any electrical devices or appliances that draw power from an electrical wall outlet, including computers, monitors, printers, copiers, vending machines, coffee machines, and many others. When plug loads draw power for an extended period in an idle mode, the idle power use is referred to as phantom … Read more

Target Now Has Over 1,000 Stores With Propane Refrigeration

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Target exceeds 1,000 propane stores Hydrocardons21,com, September 26, 2017 Minneapolis-based Target Corp. now has self-contained display cases using propane(R290) refrigerant in more than 1,000 stores, and Hannaford Supermarkets is planning to open a small new store that uses self-contained propane cases with water-loop condensing for all low-temperature foods. Those were among the developments in natural … Read more

vXchnge Announces a 2016 Lighting Retrofit Significantly Reduced Power Usage

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vXchnge

Lighting Retrofit Helps Green Data Center Goals Facility Executive, October 17, 2017 Fairbanks Energy Services, a full-service design/build energy conservation firm and developer of comprehensive commercial and industrial efficiency projects, recently announced a milestone for one of its customers, vXchnge. A carrier-neutral colocation provider, vXchnge announced that a 2016 lighting retrofit at its edge data center … Read more

Refrigeration System Allows Cooling and Heating With Energy From Compressors

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Enex

Enex upgrades commercial CO2 system r744.com, September 20, 2017 An upgraded commercial HVAC&R CO2 system from Italian designer and producer of refrigeration systems Enex allows for summer cooling and winter heating in a supermarket, using the energy from the compressors in a refrigeration system. The CO2 system has been upgraded and “is especially for commercial refrigeration,” according to … Read more

Carrier Naturaline Co2 Refrigeration Systems Are Being Tested in Shipping Containers

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Shipping Containers

Maersk begins testing CO2-cooled shipping containers r744.com, September 18, 2017 In a move that could lead to wider uptake of natural refrigerant-based cooling solutions in the maritime sector, Maersk Line, the world’s largest container shipping company, has begun testing 100 refrigerated shipping containers fitted with Carrier Transicold’s NaturaLINE CO2 refrigeration system at the port of Santa … Read more

Ask the Expert: Pneumatic or Electric Actuation: Which is Better?

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Compressed Air and Actuation Technologies Bryan Kilgore, ERS, for Zondits Pneumatic actuators have had widespread use in the industrial space, particularly the food packaging industry. Pneumatic actuators offer low upfront costs for mechanical actuation. Electric actuators, however, are more energy efficient and are often seen as the more economical option when considering long-term energy costs. … Read more

ALDI Is the Number One User of Advansor Transcritical C02 Refrigeration Systems

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utility demand response CO2 condensing

Leader of the Rack r744.com, October 2, 2017 When Hillphoenix introduced the AdvansorFlex – a smaller capacity, less costly version of its Advansor transcritical CO2 booster refrigeration system – in December 2015, the Conyers, Ga.-based OEM had in mind small-format stores as the primary end user. Enter ALDI US, the fast-growing chain of nearly 1,700 value-oriented supermarkets in 35 U.S. states. … Read more

Canadian OEM Has Deployed 14 Transcritical CO2 Systems With Its Own Ejectors

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Transcritical CO2

Carnot cites 14 CO2 locations with ejectors r744.com, August 28, 2017 Canadian manufacturer Carnot Refrigeration has installed 14 transcritical CO2 booster systems with its own ejector and parallel compression in Ontario and Quebec at Sobeys and Costco stores as well as an industrial plant, according to Carnot President Marc-André Lesmerises. The ejectors were part of the original … Read more