[EN] Matts Bäckstöm assessed the selection criteria of heat exchangers for single-speed heat pumps in 1940, and his methodology and conclusions have been kept practically unchanged for almost a century. However, heat pump ...

[ES] A raíz de la aceptación del protocolo de Montreal, en el cual se prohibieron gran parte de refrigerantes ampliamente utilizados, se está experimentado con refrigerantes alternativos entre los cuales destacan ...

[EN] Modulating the speed of the compressors and adapting its capacity to the required load has led to a decrease in the annual energy consumption in many applications. However, in the compressor, having adequate lubrication ...

[EN] The use of hydrocarbons as refrigerants is being more common in recent years. Nevertheless, the solubility of propane in POE oils is significantly higher than in HFCs. This fact has made that POE oils used with ...