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Entries with tag energy efficiency .

New efficiency limits for condensing units!

Less than 4 months remain to prepare for more stringent limits on European condensing units! In detail, Ecodesign requires an increase in efficiency of between 6-14 %, depending on the categories, compared to the 2016 tiers. This comes at a crucial moment for HFC phase-down and with some uncertainty among condensing unit manufacturers regarding the alternative refrigerants to be used, which...
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The best trade-off for a low carbon footprint In commercial refrigeration units

Undoubtedly the best results in terms of reducing carbon footprint and environmental impact are achieved using a variable-speed compressor working with a natural refrigerant, i.e. R-290 (Propane), with intrinsically high thermodynamic efficiency. In our point of view, a compressor for a plug-in commercial refrigeration unit (i.e.: bottle coolers, chest freezers, display cases) should be: ...
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We will fog you!

You know that chill you feel on your face on a foggy day? Well, it’s caused by the heat released by your body to the small airborne droplets of moisture that touch your skin and evaporate. This is evaporative cooling. Evaporative cooling exploits the natural evaporation of water to provide cooling. Water naturally evaporates into vapour as long as the air it is in contact...
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Cooling forward: how HVAC will charge EV mobility

2020, Rome. A man arrives quietly at a “gas” station in his brand-new car. He jumps down from the car and lights a cigarette. He looks around, takes the charger and fills up the car. After 15 minutes, his car is fully recharged, and he heads off towards Milan without needing to stop on the 600 km trip. Yes, believe it or not, this is an electric vehicle (EV). Ok, the dates and numbers...
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Italy and Argentina united for more sustainable commercial refrigeration

I knew that this business trip would be different from the others. Going more than 11,000 km away together with representatives of Italian refrigeration companies to explain what is currently happening in Europe definitively seemed promising. “We have 10 refrigeration experts who are like Messi at football”, was how Prof. Cavallini introduced us in Messi’s home capital city. This was very...
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Heat pumps: what are the next key dates in the EU?

Keeping a comfortable temperature throughout the year has become a must. Not so long ago, people used to just have a stove to heat the house in winter, with temperature control based on their own perception and opening windows when feeling the temperature was too high. Moreover, heating and cooling have been traditionally considered as separate concepts, different fields of study… or even...
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DCW Singapore: opportunities for Data Centre energy savings in tropical regions

Carel’s recent participation at “ Data Center World ” (DCW) Asia in Singapore was a great opportunity to meet some of the industry’s leading players in the southeast Asian area, addressing issues relating to data centre cooling in this region specifically and throughout Asia in general. This part of the world is experiencing strong economic growth, and with this comes a considerable...
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The Future of HVAC 2017 by AIRAH

The Future of HVAC Conference , held over the past 5 years, has become the must-attend conference of the year. Industry leaders explore the advances, ideas, and innovations that are driving our industry’s future. The discussions encompass not only new HVAC technologies and materials, but advances in future design processes, HVAC and smart grids, net-zero buildings, big data, and...
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New accepted refrigerants and energy standards in the United States

Good news from the United States. Both the Environmental Protection Agency (EPA) and the Department of Energy (DOE) are back after several months’ adaptation to the new administration. This summer, two regulations affecting HVAC/R market have been approved , which are in line with the old ones. On one hand, the EPA has listed 11 refrigerants with medium GWP values as acceptable in some...
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Maximising heat recovery efficiency in ventilation units

Air quality inside residential and commercial buildings is an important parameter for personal comfort. Human activity in general produces CO 2 and other odorous contaminants, meaning air change is required by introducing fresh outside air. The increasing quality of insulation makes natural infiltration negligible, and therefore controlled mechanical ventilation is needed. This is the...
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Simone Carnielli
posts: 1
Date: 4/19/18
Enrico Boscaro
posts: 4
Date: 4/12/18
Biagio Lamanna
posts: 6
Date: 3/30/18
Bryan Armstrong
posts: 1
Date: 3/27/18
Gabriele Bramezza
posts: 1
Date: 3/22/18
Miriam Solana Ciprés
posts: 18
Date: 3/15/18
Luigi Nalini
posts: 2
Date: 3/9/18
Roberto Sandano
posts: 2
Date: 2/22/18
Raul Simonetti
posts: 8
Date: 2/15/18
Serena Ometto
posts: 3
Date: 2/8/18