Carel USA
Carel USA
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  • Refrigerant prices: what is happening?
    Everything is happening at lightning speed! Just one and a half years ago, when I began going into detail on HFC refrigerant regulations, it all seemed to be about a change that would happen gradually and be really noticed in around 5 years’ time. Indeed, except for home refrigerators, the F-gas regulation establishes banning dates from 2020 to 2025. Yet HFC refrigerant prices and availability are...
Carel USA
Carel USA
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New blog articles detected.

  • 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 CO2 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 case both wh...
Carel USA
Carel USA
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New blog articles detected.

  • New regulation on hospital humidification: cheap and clean, is it possible?
    Air conditioning systems, including humidification, account for a major part of hospital daily running costs. Achieving energy and cost savings on these systems can bring considerable relief to hospital budgets, which often have to respond to public spending cuts and challenging energy consumption targets. The important question is therefore: can the need for humidification in perfectly hygienic ...
Carel USA
Carel USA
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New blog articles detected.

  • EuroShop 2017, the challenge of natural refrigerants
    The fiftieth Euroshop held last March in Düsseldorf was the biggest in the event’s history. The organisers have announced record numbers: more than 113,000 visitors, a total of 2,368 companies exhibiting, 18 halls occupied and a net exhibition area of 127,000 m2.  As regards commercial refrigeration, the sector I know best and have been dealing with for many years now, the feeling was one of unif...
Carel USA
Carel USA
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New blog articles detected.

  • Humidity control in museums and libraries
    The materials used to make the conserved artworks are the same as those already examined: canvas, wood, paper, parchment; nonetheless, the conservation of these requires limits that are much stricter than those relating to the material alone. An alteration in the dimensions of the canvas of a painting may cause the paint to peel; the same effect with wood may produce cracks in the painted panels,...
Carel USA
Carel USA
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New blog articles detected.

  • Ecodesign and Energy Labelling: making products smarter
    The beginning of the 21st century. We are living in an era in which technology is progressing in leaps and bounds. This means that the concept of “best technology available” is constantly changing. That’s good news for consumers, because products are more and more efficient, which is very helpful when it’s time to pay the electricity bill. It’s also great news for the environment, as CO2 emissions...
Carel USA
Carel USA
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New blog articles detected.

  • Vegas! So dry, so nice. Or is it?
    Las Vegas, Nevada, the city of fun, gambling, good food and many, many wonderful shops inside glittering hotels! I spent there a few days there for the 2017 ASHRAE Winter Conference at the end of January, and indeed I enjoyed it. The seminars and conferences were very helpful and instructive. The weather was great, with the sun shining, blue skies and temperatures around 18 °C / 64 °F; slightly c...
Carel USA
Carel USA
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New blog articles detected.

  • What was the HVAC/R sector talking about in Madrid?
    Two weeks ago I was lucky to attend the Climatización y Refrigeración show in Madrid. It was exciting to once again see how our HVAC/R sector is not only thriving, but extremely active in the development of new solutions that the market is demanding. As predicted, this time the trends are mostly being driven by standards and regulations, specifically F-gas and Ecodesign in Europe.    In Spain, no...
Carel USA
Carel USA
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New blog articles detected.

  • Pros and Cons of Hydrocarbons as Refrigerants
    Brief history of CFCs, HCFCs, HFCs, HFOs and natural refrigerants The damage caused by chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) to the ozone layer led to the establishment of the Montreal Protocol on Substances that Deplete the Ozone Layer. Enforced on 26 August 1989 and ratified by 197 countries, it replaced CFCs and HCFCs with other substances that have no effect on the ...
Carel USA
Carel USA
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New blog articles detected.

  • News from the ASHRAE in Long Beach
    The 2017 ASHRAE Summer Conference was held in the westernmost part of the USA, specifically at the legendary Long Beach, in California, on June 23-28. What brought a few thousand people to the ASHRAE Conference? Well, apart from the beach, good fish, and nice weather, there were a few topics that really aroused the interest of professionals down there. The hot topic was above all alternative ref...
Carel USA
Carel USA
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New blog articles detected.

  • Chillers: what are the trends in refrigerants?
    Most wine, beer and milk are made by a process that uses a chiller. It is essential to take away the heat produced by mixing, cooking and pasteurisation. Chilling systems are also indispensable in the medical industry. In particular, magnetic resonance imaging uses chillers to take away the heat generated by the equipment. The air-conditioning in most shopping centres and offices is also provided ...
Carel USA
Carel USA
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New blog articles detected.

  • XVII European conference “The latest technology in refrigeration and air conditioning”
    Politecnico di Milano, 9-10 June 2017   Lively: this is the adjective I would use to describe the conference held at the Politecnico di Milano, which also saw Carel’s contribution. Amongst the topics presented by the speakers and discussed between participants, two in particular garnered the most attention: the future of refrigerants, and the contribution that the HVAC/R industry can make to achi...
Carel USA
Carel USA
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New blog articles detected.

  • IoT: data processing in a world of connected machines
    The Internet of Things (IoT) has become a reality. It is estimated that 8.4 billion objects will already be connected in 2017, a 30% increase with respect to 2016, resulting in a total business of 2 trillion dollars. In 2020, it is estimated that connected objects will generate more than 900 exabytes (1018) of data (Gartner sources). This development is an excellent opportunity in B2B too to impro...
Carel USA
Carel USA
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New blog articles detected.

  • Beverage cooler technology to cool bottles efficiently
    Ever since beverage coolers were patented in 1979, hundreds of variations have been made to these cabinets that keep our bottles cold so we can enjoy a cool drink any time. Something that is especially pleasant these days, with maximum temperatures of 30°C in Padua, or even higher, 38°C in Madrid. So, before going into details about how efficient beverage coolers should be (also called bottle cool...
Carel USA
Carel USA
Blog Post

New blog articles detected.

  • Is your humidification system hospital-proof?
    Hospital and health care facilities are often home to top of the range technologies as far as technical equipment is concerned. Everything must be able to operate without interruption in the most harsh conditions possible, guaranteeing flawless performance. The cost of failure in these applications is really too high not to take all the possible precautions. These quality requirements regard medi...
Carel USA
Carel USA
Blog Post

New blog articles detected.

  • 12th IEA Heat Pump Conference: what challenges were discussed?
    When the first warm weather arrived I left Italy, where people were starting to worry about how to cool their houses, heading to the Netherlands, where one of the main concerns is how to heat buildings in winter. The purpose of my trip was to attend the 12th IEA heat pump conference and learn more about the technology that can heat, cool and provide domestic hot water with just one unit. Through ...
Carel USA
Carel USA
Blog Post

New blog articles detected.

  • Decarbonisation of Heating is possible with IoT Heat Pumps
    Brussels, May 11. Despite the bad weather forecast, it was a sunny morning when more than 200 people arrived at the first DecarbHeat Conference organised by EHPA, the European Heat Pump Association. I was delighted to spend two days discussing the future of the heating and cooling sector in Europe with policy makers and industry representatives to understand the extent of interest in finding a su...
Carel USA
Carel USA
Blog Post

New blog articles detected.

  • Five advantages of the water loop system for refrigeration in supermarkets
    In the last few years, a new system has been gaining ground in the commercial refrigeration market, involving a water loop with variable speed compressors. This system represents a change in approach compared to traditional systems. Traditional systems are centralised, with compressor racks - generally installed in equipment rooms or on the roof of the building - that supply refrigerant to the ev...
Carel USA
Carel USA
Blog Post

New blog articles detected.

  • Debunking the myths about humidity
    Often the word humidity is associated with commonplaces that have negative connotations. In reality, many ideas we have about humidity are wrong, based on just superficial knowledge of what it really is.  The aim of this article is to list some of the most common "false myths" regarding humidity, to understand how it is more useful (and often essential) than is often thought.  Indeed, at times it ...
Carel USA
Carel USA
Blog Post

New blog articles detected.

  • Walk-in coolers and freezers in USA: the deadline is getting nearer!
    Whereas many media-friendly political decisions have been made during the first 100 days of the new US administration, people working in HVAC/R sector are wondering whether the refrigerant and energy efficiency rules previously published will be kept. Looking at the DOE (Department of Energy) website, it can be seen that at the end of December 2016 a large number of final rules were pre-issued, su...
Carel USA
Carel USA
Blog Post

New blog articles detected.

  • Relative humidity: our first ally in the invisible war against bacteria
    Every day, an invisible war is waged in hospitals and healthcare facilities whose outcome is crucial for people’s lives. On one side, the vast number of bacteria and viruses that are omnipresent in such places, being brought inside by sick patients, visitors and even the medical personnel, and that reproduce very quickly and are often able to resist the most common antibiotic treatments. These pat...
Carel USA
Carel USA
Blog Post

New blog articles detected.

  • Which refrigerants are allowed worldwide on stand-alone units?
    Undoubtedly, the phasing out of HFC refrigerants has already started. The prices of high GWP refrigerants are gradually rising while availability is decreasing. For instance, Honeywell announced a few days ago that they are going to stop selling R-404A and R-507 in Europe. At the same time, Chemours has recently announced consecutive monthly price rises of 25% and 30% for high GWP refrigerants. Ma...

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