Italian Store Uses Propane to Power Cooling Systems

Transcritical CO2

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 … Read more

Chicago’s Approach to Street Lamp Conversion Reduces LED Controversy

LED-street-light smart city

Chicago dials down LED street lamp intensity — and controversy Written by Kevin Stark, energynews.us, March 7, 2018 As the city of Chicago begins converting more than a quarter-million street lamps to high-efficiency LEDs, the light — and public reaction — hasn’t been as harsh as what was seen in cities that were earlier adopters. “It’s … Read more

Utilities Grapple with a Growing Cryptocurrency Market

smart-wires-grid

Written by Allison Donnelly, ERS for Zondits, March 29, 2018 Bitcoin and other cryptocurrencies have seen an unprecedented boom in the last year, going from a speculative, fringe industry often associated with its use in shady industries to a major financial market player. At the same time, cryptocurrency mining – the “minting” of new “coins” … Read more

Efficient Heating and Cooling a Focus for NY Clean Energy Plan

New York REV

Clean Heating Is Part of NY’s Energy Efficiency Solution Written by Sneha Ayyagari & Miles Farmer, nrdc.org, March 16, 2018. Achieving New York’s climate and clean energy goals hinges upon a comprehensive and ambitious plan to increase energy efficiency savings in New York across all fuels. As NRDC and a large coalition of advocates expressed … Read more

Chinese AC System Awarded Blue Angel Ecolabel

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, … Read more

Larger CO2 Compressors Launched by Emerson

Honeywell cascade refrigeration

Emerson debuts larger CO2 compressors Written by Michael Gary, R744.com, February 21, 2018 Emerson has launched 35 and 40 HP semi-hermetic reciprocating Copeland CO2 compressors, with the 50 HP version slated for late fall. The compressors offer capacity ranging from 40,000 BTU/h to 320,000 BTU/h at 20°F SST. “There is a demand for larger CO2 compressors because CO2 is … Read more

First Transcritical Co2 Supermarket in the Middle East is Inaugurated

Middle East’s first CO2 supermarket opens in Jordan R744.com, March 5, 2018 The first transcritical CO2 supermarket in the Middle East was inaugurated today at the Al-Salam supermarket in Amman, the capital of Jordan. The CO2 transcritical system installed in Amman, a pioneer in the Middle East, is designed to cope with temperatures reaching up to 32°C between … Read more

Choosing the Right Heat of Compression Dryers to Maximize Efficiency

heat of compression dryers

Everything You Need to Know about Heat of Compression Dryers The Compressed Air Blog, February 15, 2018 Compressed air systems can be sensitive to even the smallest amounts of moisture. The presence of liquid in the system can cause premature rusting, remove lubrication in production equipment and cause manufacturing processes to malfunction. To achieve energy efficiency … Read more

2018 Expected to Be the Year of Electric Vehicles (EV)

EV

As electric vehicles gain favor, utilities can accelerate EV adoption ACEEE, Februray 13, 2018 As new models with longer ranges, state-of-the-art features, and lower prices enter the market, 2018 is widely expected to be the year of the electric vehicles (EV). US auto companies now offer more than 40 plug-in vehicle models, with more to come, and … Read more

The History of Air Conditioning and the Future of Thermal Design

air conditioning

Jesse Remillard, ERS, for Zondits A recent episode of the 99% Invisible podcast explores the origins of air conditioning (A/C) and how the widespread adoption of central air systems affected building designs thereafter. The 99% Invisible podcast is all about the things that largely go unnoticed but are essential to the modern world we live … Read more