All Cool & Heating Solutions
All Cool & Heating Solutions

The chemical name of R-32 is difluoromethane. It is a refrigerant that has been used for many years as part of the refrigerant mixture R-410A (with 50% R-32 and 50% R-125).

What is R32?

Why this refrigerant?

The refrigerant R410A has been widely used since the late 1990s to combat the destruction of the ozone layer. R410A consists of a combination of R125 and R32. However, this refrigerant causes CO2 emissions, which means that R410A has a relatively large impact on global warming. R410A has a Global Warming Potential (GWP) of 2,090. Just like R410A, R32 does not damage the ozone layer, but emits much less CO2. R32 has a GWP of 675.


- R32 offers 10% higher efficiency than R410A. This leads to a higher performance coefficient and a higher score on the Energy Efficiency Directive (EER).
- Although R32 is more flammable than R410A, it offers a low spreading speed of 1.9 km / h. In addition, a concentration of 0.3 to 0.6 kg per m3 is required to ignite and a direct flame ignition source of more than 640 ° C.
- R32 offers better performance than R410A at extreme outdoor temperatures.
The global warming potential (Global Warming Potential) of R32 (675) is only one third of the GWP of R410A (2,090).
- R32 consists of only one component, making the refrigerant easy to recycle and reuse.
- R32 is easier to use for installers and maintenance technicians than R410A. The refrigerant can be charged as either liquid or gas.
The working pressure of R32 is almost equal to that of R410A.

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