Carel USA
Carel USA
Blog Post
  • Smartphones, smart watches, smart bands, smart homes, smart grids, smart heat pumps: I’ve probably left a few out. Including, and I’ve never understood why, poor old tablets, notebooks, ultrabooks, and even the now-defunct netbooks, among the few devices that have rarely been lucky enough to be called smart.  Therefore, as the inconsistency of what we often read and see defined on the web and the ...

Carel USA
Carel USA
Blog Post
  • 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 opposing...

Carel USA
Carel USA
Blog Post
  • The printing industry features a multitude of different technologies that can be used, from traditional printing (such as offset printing, rotogravure printing, screen printing, etc.) to digital printing (for example, inkjet or laser).  The processes underlying these technologies are quite different, but they all share one need: to control humidity in the processing and storage environments.  Sto...

Carel USA
Carel USA
Blog Post
  • 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 increase in dem...

Carel USA
Carel USA
Blog Post
  • Late 2017. “What is the replacement refrigerant for R-410A” is the question that perhaps more than any other is being asked in the HVAC industry. This is a consequence of other factors, such as: how much will R410A cost in the next semester? Will it continue to be so difficult to source as has been the case for the last few months? Personally, I tried to find a response by participating at the Hea...

Carel USA
Carel USA
Blog Post
  • With an outdoor temperature of 26°C on 24 October, it could be said that the weather in Madrid was in line with the main focus of the first ATMOsphere Ibérica event: the challenges of natural refrigerants in warm climates. “Climatic conditions in Spain, Portugal and Latin American make the transition to natural refrigerants, in particular CO2, more difficult”, stated Alvaro de Oña, the event’s org...

Carel USA
Carel USA
Blog Post
  • This is the third and final discussion on paint booth applications. If you haven’t read the previous ones yet, please don’t forget to check them out! Today I’m going to talk about the best humidification solution for this specific application.  First of all, there is no one overall best solution, rather it depends on the requirements of each individual installation. A good guide is to find out wh...

Carel USA
Carel USA
Blog Post
  • Paper is a hygroscopic material that tends to reach a condition of equilibrium with the temperature-humidity conditions of the surrounding environment. Any swings in temperature and humidity can cause dimensional variations and loss of paper flatness. These phenomena are well-known to those who work in the printing industry as, if not appropriately controlled, they can lead to printing defects o...

Carel USA
Carel USA
Blog Post
  • Paint booths are closed, air-conditioned spaces in which the ambient conditions are kept at the ideal values to ensure both a high quality finish of the coated surfaces and safety of the personnel working inside. Temperature, humidity and cleanliness of the air are ensured by an appropriate ventilation system. The conventional solution is an “all outside air” ventilation system: fresh air from t...

Carel USA
Carel USA
Blog Post
  • Undoubtedly, the expansion of commercial refrigeration is likely to continue due to the growing importance of food preservation. The food chain from “field to fork” must be able to guarantee food quality and safety, and above all for fresh products with a short shelf-life this can only be ensured by low temperature transport and storage, so as to prevent bacterial growth: indeed, the lack of an e...

Carel USA
Carel USA
Blog Post
  • On September 15, 2017, the Eureka Roadshow Italy, organised by EPEE and EVIA, with Centro Studi Galileo as its partner and CAREL and ZIEHL-ABEGG as sponsors, was held at the nh Laguna Palace Hotel in Mestre (Venice). The purpose of the event was to share the conclusions of Eureka 2016 (The Hague, 13/12/2016) with an audience of manufacturers, industry associations, consultants, designers and inst...

Carel USA
Carel USA
Blog Post
  • 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 several other topi...

Carel USA
Carel USA
Blog Post
  • In order to ensure an efficient process and excellent and consistent quality of the printed product, the temperature and humidity in places designed for the storage and printing of paper and cardboard needs to be controlled appropriately. What are the effects on paper? The hygroscopic nature of paper Paper is a hygroscopic material that tends to reach a condition of equilibrium with the surround...

Carel USA
Carel USA
Blog Post
  • The application of coatings on a surface is a process that is affected by the relative humidity of the surrounding environment. The speed and intensity of the reactions that generate the protective film are dependent on air conditions. This is even more the case when using water-based paints or powder paints, which are increasingly widespread in industrial processes due to their low VOC emissions ...

Carel USA
Carel USA
Blog Post
  • 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 applications...

Carel USA
Carel USA
Blog Post
  • Technological innovation is a part of the DNA of all companies that offer high-efficiency solutions and seek to anticipate market demands, to grasp needs that are yet to be expressed and to turn difficulties into opportunities. Along with a medium to long term strategic vision, it is beneficial to be present in the places where international trends are defined and the rules of the game are set. T...

Carel USA
Carel USA
Blog Post
  • It is estimated that there are more than 25 million bottle coolers installed around the world for soft drinks and beer. Most of these units operate without any direct supervision in small-medium stores. New services based on connected units can now overcome the problem of distance: a globally distributed cooler network can be easily accessible and under control, the sale of cans and bottles, ofte...

Carel USA
Carel USA
Blog Post
  • 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
Blog Post
  • 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
Blog Post
  • 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
Blog Post
  • 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
Blog Post
  • 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
Blog Post
  • 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
Blog Post
  • 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
Blog Post
  • 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
Blog Post
  • 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
Blog Post
  • 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
Blog Post
  • 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 ...

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