Refrigerant R407C for light air conditioning systems
Refrigerant R407C has a good energy efficiency ratio as well as a low compression pressure and GWP. As an ozone-friendly refrigerant, it has been used as a replacement for R22 in the past.
In case of replacement, the R22 must always be switched to POE (polyolester) oil. In all retrofitting contexts, the correct refrigerant must be selected with careful consideration of the situation and conditions as a whole.
Due to its relatively high GWP value, however, R407C will be replaced with refrigerants with a lower GWP value.
The use of R407C will be banned as of 1 January 2020 since its GWP exceeds 150 (R407C’s GWP is 1,732) and in single split AC systems as of 1 January 2025 since its GWP exceeds 750.
See also refrigerant R410A.
Applications and use
R407C is a commonly used refrigerant mixture for air conditioning systems, water cooling equipment and, for example, in the high and medium temperature cooling solutions of ships. It is most frequently used in refrigeration systems with a scroll, reciprocating or screw compressor.
Replacement refrigerants for R407C
The replacements or alternative refrigerants for R407C include R32 and R444B as well as other various mixtures of HFO refrigerants.
Refrigerant R407C price
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