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Alessandro Pinato
The refrigerant future is spelled “propane”
Propane, first used as a refrigerant over a century ago, has made a comeback as the hottest new refrigerant candidate. It is ozone layer safe, has negligible impact on global warming, and has excellent thermodynamic properties.Alberto Frison
The challenges of indoor environment in large spaces
When we discuss the challenges of providing a high quality indoor environment, we often think of residential or office buildings. But there are other types of buildings – ones with large indoor spaces, that present a set of challenges all their own. These challenges, however, can be tackled in …Alessandro Pinato
Why are we moving more water than necessary?
Hydronic distribution for HVAC-systems are too often settled with an outdated technological approach, making the overall system inefficient and distributing more water than is necessary. Big savings can be made in terms of energy consumption by changing the distribution system.Paolo Dalle Fratte
High temperature heat pumps – the heating solution of the future
The EU – and the world, for that matter – is facing a huge challenge from climate change. In the 2009 climate and energy package based on the Kyoto Protocol, the EU set key targets for 2020: 20 percent reduction in greenhouse gas emissions (from 1990 levels), 20 percent of EU energy from …Alberto Ferrandi
A better way to calculate energy efficiency for polyvalent units
There are several energy efficiency indexes used in the refrigeration business. However, not all of them are applicable to all types of units – specifically, there are some problems with using existing indexes for polyvalent units. But first, let us go through some of the different indexes out …Fabio Polo
F-gas restrictions push development of refrigerants
Refrigerants in the form of fluorinated gases (F-gases) potentially spell trouble for global warming, but there is a lot of development in the area.Alessandro Lora
How green is your heat pump?
Investment in green technology is booming, and sustainable products are in demand. However, it’s challenging to understand which products are best for the environment when everything is promoted as green. This is clear in the heating industry, where pretty much any solutions that are better than a …Alberto Ferrandi
Why you should consider a 4-pipe system for cooling and heating
A traditional two-pipe system for heating and cooling may not be an optimal solution for buildings with mixed usage that combines, for instance, retails, offices and hotels. Besides, the southward side of the building facing the sun might require cooling at the same time that the northward side, in …Federica Serena
How to optimize your hydronic system
To optimize your hydronic system, you need to balance the work load of both the chillers and the pumps to transfer exactly the right amount of needed energy at the right time throughout the system. This may sound complicated, but there are smart solutions to this that you will learn more about in …By topics