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Entries with tag energy efficiency .

Goose-bumps rooms, energy saving and IoT

A report from the ASHRAE Summer Conference in Houston, 23-27 June 2018 I landed in Houston on June 21 and was welcomed by a nice and warm breeze blowing in from the Gulf. “Summer again!”, I thought, after the intercontinental flight from Europe during which I felt a bit cold, even though I am used to a slightly low temperature on those long-haul flights. Taxi trip. After...
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Ten findings on the Australian HVAC/R market

It seems that the characteristic optimism of Australians is also reflected in the country’s HVAC/R market. Whereas HFC refrigerant prices in Europe are rising dramatically, and the lack of a drop-in for R-410A is creating great concern among stakeholders, the general feeling in Australia is that the phase down will go smoothly. This was one of the conclusions I brought back home after spending...
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China Refrigeration Expo 2018: a milestone for the HVAC&R industry

Once again this year, CAREL took part in “China Refrigeration Expo”, the most important event in the APAC region for the HVAC&R industry. This year’s Chinaref was held in Beijing, the capital of China, making the event more influential in political terms. “Coal to electric”,”natural refrigerants” and “energy efficiency” were the topics attracting most focus from industrial experts,...
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Kigali, energy efficiency and control schemes - 2nd part

The Kigali amendment to the Montreal Protocol was signed on 16 October 2016, with the intention of phasing out HFCs, being contributors to global warming. Interestingly, a request to “the Technology and Economic Assessment Panel 1 to review energy efficiency opportunities in the refrigeration and air-conditioning and heat-pump sectors related to a transition to climate-friendly...
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Kigali, energy efficiency and control schemes - 1st part

The Kigali amendment to the Montreal Protocol was signed on 16 October 2016, with the intention of phasing out HFCs, being contributors to global warming. Interestingly, a request to “the Technology and Economic Assessment Panel 1 to review energy efficiency opportunities in the refrigeration and air-conditioning and heat-pump sectors related to a transition to climate-friendly...
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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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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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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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