Understanding the benefits of R32 refrigerant in heat pumps——Part 1

F-Gas Regulations compliant
Renewable heating products, such as air source heat pumps, are growing in popularity and, over the coming months and years, demand for renewable technologies will further increase as the Government brings about measures to deliver its Clean Growth Strategy to achieve net zero carbon emissions by 2050. Manufacturers are therefore striving to develop their products, incorporating design changes to improve efficiencies and make their renewable heating products as green as possible. This is one of the reasons why R32 refrigerant is being used in more and more air source heat pumps.

The other driving force behind the increased use of R32 refrigerant is EU legislation which remains in place here in the UK, despite Brexit. The 2014 EU Fluorinated Greenhouse Gas (F-Gas) Regulations is legislation designed to phase down the use of hydrofluorocarbons, with the introduction of a series of targets which are designed to limit the use of gases which have the highest Global Warming Potential (GWP). GWP is a value given to greenhouse gases (including HFC refrigerants) which indicates their greenhouse effect and impact on the atmosphere. R32 refrigerant has a GWP which is considerably lower than other typical heat pump refrigerants, such as R410a, so it complies with the legislative targets currently set by the F-Gas regulations.

Green credentials
Remaining on the subject of GWP, R32 refrigerant has a GWP of 675 which is 70% lower than the GWP value of R410a refrigerant. It has a less harmful effect on the atmosphere with lower carbon emissions and, furthermore, R32 refrigerant has zero ozone depleting potential as well. R32 refrigerant is therefore more environmentally friendly and it helps increase the sustainability of the products it is used within.

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