Carel USA
Carel USA
Blog Post
  • 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 approximately half an hou...

Carel USA
Carel USA
Blog Post
  • Heat recovery ventilation (HRV) systems are today becoming more and more important in the commercial and residential ventilation sector. These systems involve very compact air handling units, equipped with heat recovery, which introduce a stream of fresh air from the outside into the air-conditioned environment, while at the same time discharging the exhaust air. The heat exchanger, usually cross...

Carel USA
Carel USA
Blog Post
  • What is the situation of the HVAC market in Europe, the Middle East and Africa (EMEA), what opportunities are there and how can these be grasped effectively?  These and other topics were discussed in Riccione during the CAREL Sales Workshop HVAC EMEA from 4 to 8 June 2018. Against a general backdrop of economic growth in Europe, the HVAC market is very dynamic, standing out for its technological ...

Carel USA
Carel USA
Blog Post
  • How many times have we discussed something or argued with someone and then realised later that we weren’t completely right? Sometimes, we convince ourselves of things based on opinions or suppositions that then turn out not to be true. It’s nothing strange, it’s simply human nature. It is not always easy to stay connected to reality, because we like to believe that we know the absolute truth. Ind...

Carel USA
Carel USA
Blog Post
  • 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 Panel1 to review energy efficiency opportunities in the refrigeration and air-conditioning and heat-pump sectors related to a transition to climate-friendly alternatives, inclu...

Carel USA
Carel USA
Blog Post
  • In our first post about gender gap in the HVAC/R, we highlighted how in the USA women in HVAC account for a meagre 1% of the total. To help understand why this industry is unable to attract female talents, we interviewed Andrea Voigt, since 2009 Director General of the European Partnership for Energy and the Environment (EPEE).    What did you graduate in? Why did you choose that field of studies...

Carel USA
Carel USA
Blog Post
  • What is a good product? Have you ever wondered what a good product is? When I buy a product that I can easily install and start using, I can start to believe that “it’s a good product”. Last year I bought a home theatre: it suited my living room in terms of its colours and shape, I easily connected the 5+1 speakers using the coloured connectors, I connected it to the TV using the cable provided an...

Carel USA
Carel USA
Blog Post
  • 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 6 d...

Carel USA
Carel USA
Blog Post
  • 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, government off...

Carel USA
Carel USA
Blog Post
  • 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 Panel1 to review energy efficiency opportunities in the refrigeration and air-conditioning and heat-pump sectors related to a transition to climate-friendly alternatives, includ...

Carel USA
Carel USA
Blog Post
  • 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 Panel1 to review energy efficiency opportunities in the refrigeration and air-conditioning and heat-pump sectors related to a transition to climate-friendly alternatives, inclu...

Carel USA
Carel USA
Blog Post
  • The increasingly widespread use of e-commerce tools is changing our habits and, unquestionably, our lifestyle. The purchase of consumer goods like books, clothes, tech products and food products is now par for the course thanks to the most diverse of marketplaces, which make these goods available simply even to the least expert users.  This tendency, linked to the demand of users to get what they...

Carel USA
Carel USA
Blog Post
  • 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: variable...

Carel USA
Carel USA
Blog Post
  • When I was a child, my mother always waited for me after school. She was a housewife, just like many of my classmates’ mothers. In the eighties, in a provincial town in northern Italy, there were few full-time schools and almost no summer camps. Today, thirty years later, things have changed radically, and when I go to pick up my son from school, in the mid-afternoon, I meet many grandparents and ...

Carel USA
Carel USA
Blog Post
  • Last night I was watching a TV game show: there was a 23-year-old contestant who didn’t know that the acronym CPU stood for the central processing unit of a personal computer. This seemed strange to me, and so I started wondering why. When I was that age, a little less than 20 years ago, a computer was an object of desire, whose hardware specifications, such as the processor, RAM and hard disk, we...

Carel USA
Carel USA
Blog Post
  • Once again this year Carel took part in “Data Centre World” (DCW) London, one of the most important events in this sector worldwide, attracting the main operators in the field of ICT (Information and Communication Technology) infrastructure. The trade show is held in conjunction with other events (Cloud Expo, Cloud Security Expo, Big Data World and Smart IoT) and thus represents a very interestin...

Carel USA
Carel USA
Blog Post
  • Mostra Convegno Expocomfort (MCE), held this year in Milan from 13 to 16 March, has always been an exhibition showcasing innovation in the HVAC/R business. Indeed, I have always appreciated the emphasis placed by exhibitors in presenting their new ideas and solutions in Milan, much more than at other important events that are held periodically in Europe, Asia and America. The 2018 event saw more v...

Carel USA
Carel USA
Blog Post
  • To say that the next few years will be a smooth ride for the HVAC/R industry in the United States of America easily transitioning to the next generation of low GWP refrigerants, would be the understatement of the year. There is a network of potential pathways to achieve HFC (hydrofluorocarbon) phasedown in the USA; each one is a mixed bag of educated guesses, misinformed opinions and litigated int...

Carel USA
Carel USA
Blog Post
  • We all know the story of Nokia, which in the 1990s was the undisputed leader in the sale of mobile phones. They made the best phones, with a quality of reception that even now few others match. But then someone in the USA invented the iPhone and the company went into a downward spiral that it has still not recovered from. In the past, makers of audio tapes found themselves displaced by the arrival...

Carel USA
Carel USA
Blog Post
  • 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 undoub...

Carel USA
Carel USA
Blog Post
  • 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: variable...

Carel USA
Carel USA
Blog Post
  • 2018 may be the year when the charge limit of 150 g for flammable refrigerants in commercial refrigerators will be increased to 500. This may be a very important step towards the use of natural refrigerants, while on the other hand it entails a huge responsibility in terms of safety. Indeed, the working group that is defining the additional requirements has the scope of ensuring that the safety le...

Carel USA
Carel USA
Blog Post
  • From 22 to 24 January, Chicago hosted AHR Expo, a great opportunity to take stock of HVAC/R market trends: a goal that was fully met over three very intense days of meetings and discussions, with the possibility to explore topics of current interest from both a technical viewpoint (the future of refrigerants, the continuous search for better energy efficiency...) and as regards the user experienc...

Carel USA
Carel USA
Blog Post
  •   Humidification: renewed interest! Refrigerants: feeling the “natural” pressure?   The ASHRAE Winter Conference was held on 20-24 January 2018, during some mild winter weather (incredibly for Chicago, just around freezing!). Like all ASHRAE Conferences, the event was attended by several thousand people, who asked questions, learned and profitably networked during the various sessions and seminar...

Carel USA
Carel USA
Blog Post
  • The increasing tendency to have connected devices that provide remote access to installations through monitoring systems is paving the way for the systematic collection of vast amounts of data. In the HVAC/R sector in particular, unit variables, control and operating parameters, such as valve position, set point, compressor status, water/air temperatures and so on, if appropriately recorded can re...

Carel USA
Carel USA
Blog Post
  • 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 with is not saturated, o...

Carel USA
Carel USA
Blog Post
  • One year of “sharing ideas” on HVAC/R! Today is a day to celebrate for CAREL’s blog! 50 posts have been published during this first year, with thousands of views and listing in the world Top 5 RAC blogs. The topic “humidity and temperature control” has been the most blogged, with 18 posts. “Refrigerants” and “Regulations and standards” share second place, with 15 posts. The bronze medal goes to “...

Carel USA
Carel USA
Blog Post
  • 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 above may va...

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