F gas pre-gassed air con units vs hfc free

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Hi all - can’t see a better suited forum for this so hoping it’s fine here. I’m looking to install an air conditioning unit (a proper split unit with a heat pump). I was always of the impression that you can install anything pre-gassed yourself, but I’ve learned that the rules relate to f gas, and to truly be able to install it yourself it has to be HFC free gas such as this one:


Im looking at the installation manual for the above one and the f gas ones and they seem the same - tool free push fit connections that seem totally simple, and the f gas units are far cheaper.

So I’m wondering if anyone knows what the actual f gas rules are and how closely we need to stick to them, and why. Is it just the fact that the f gas is more unsafe and nothing to do with the complexity of the fitting, which as mentioned seem both the same.

The other downside of the non f gas are you can’t seem to get multi room options where various units run to the same heat pump, which adds a lot of cost.

Thanks!
 
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r32 is a lot more safe than r290 i went with r32 and my next one will be a LG twin compressor very quiet
 

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