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Operating behaviour of CO2 Booster
October 16, 2013 Postulating that the operational safety and efficiency of compressors can be significantly improved by using innovative and new technologies in their development and construction, Oliver Javerschek and Tobias Hieble demonstrate it through empirical and simulated results. Introduction The operating conditions of a CO2 compressor in a combined booster refrigeration system are...
Fuel cells to cool trucks
29/11/2013 The refrigeration systems in four delivery trucks in Texas, California and New York will soon be fuelled thanks to fuel cells. The US Department of Energy (DOE) Pacific Northwest National Library (PNNL) is overseeing the project with two fuel-cell manufacturers Nuvera and Plug Tower. Industry officials estimate that approximately 300 000 refrigerated trucks with auxiliary power u...
The heating & air conditioning market in the US
27/11/2013 According to a report market published by Ibis World international in October 2013, industry revenue has declined at an annual rate of -1.4% to USD 61 billion for the period 2008-2013. This industry includes 78,002 businesses and employs 263,741 people. This industry comprises establishments that primarily install and service heating, ventilation, air-conditioning (HVAC) a...
Photo Gallery: Trane Brings 18% Energy Savings to High Schoo
2 December 2013 Ridgewood High School administrators expect recently completed lighting and infrastructure upgrades to reduce energy costs by 18%, while significantly reducing noise levels from Chicag...
HVACR Contractors: 12 Resolutions for a Stellar 2014
2 December 2013 It’s that time of year when we start making resolutions and promises to lose weight, eat better, stop procrastinating, start exercising, etc. All admirable goals, but have you made any...
Humidity Control in a Data Center
2 December 2013 The modern data center presents unique challenges to the service technician. The data centers, with all of the electrical equipment (servers, UPS, and storage units) produce high sensible heat load. To remove the high sensible heat load from the space there are specialty air conditioner units. These Computer Room Air Conditioner (CRAC) units are designed differently than comfort ai...
New collaboration to power 100k homes
2 December 2013 Renewable energy investment company Low Carbon and Macquarie Capital are collaborating to invest in 300 MW of solar energy in the UK. They plan to construct a portfolio of solar projects that could power up to 100,000 homes per year. Macquarie intends to provide construction funding to developed, investment-ready renewable energy projects. The first phase of th...
MHI Convenes '6th Business Partners Conference' Attended by
-- Event Targeted at Forming Firmly Interconnected Supply Chain To Meet Intensifying Needs of Global Competition -- Tokyo, November 29, 2013 -- On November 29 Mitsubishi Heavy Industries, Ltd. (MHI) ...
IOR announces role in European 'REAL Alternatives' programme
29 November 2013 The Institute of Refrigeration is set to play a key role in a new European learning programe, called “REAL Alternatives, which will address skills shortages amongst technicians working in the RAC and heat pump sector In a statement the IOR said: “The focus will be on carbon dioxide, ammonia, hydrocarbon and HFO refrigerants. It will improve knowledge in the service and main...
AHRI Announces New Officers, Presents Awards
November 29, 2013 Arlington, Va. -- The Air-Conditioning, Heating, and Refrigeration Institute (AHRI) has announced the election of new officers and directors, and the presentation of awards to indust...
