Frequently Asked Questions on Refrigerants:

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In 2009 the Honeywell corporation invented a new refrigerant called Genetron Performax. (R-407F) This new refrigerant is an HFC blend containing forty percent of R-134a, thirty percent of R-125, and thirty percent of R-32. The thinking behind this refrigerant was to come up with a viable alternative to the currently used R-404A  in supermarkets and grocers across the world today.

R-404A has one of the highest Global Warming Potentials in all of the refrigerants on the market today standing at 3,922 GWP. (Source PDF from Linde-Gas.com) To give you some perspective the GWP of R-134a is only 1,430. Just by looking at the numbers here you can see why there is a large concern over the damage that 404A is causing to the environment.

This new refrigerant designed by Honeywell, R-407F, has a GWP of 1,824. That is over a fifty percent decrease in GWP. While the 1,824 is still very high for a refrigerant it is significantly better than what we had been using. Imagine if everyone converted over to this new refrigerant. The impact on the environment from supermarket freezers would be cut in half.

Along with having the lower GWP than 404A the R-407F is an A1 rated refrigerant. That means low toxicity and that it is non flammable. A few more benefits to this refrigerant are that it is an efficient R-22 retrofit option, lower discharge temperature than R-22, similar cooling capacity to R-404A, and has around a ten percent energy savings when comparing to existing 404A systems. (Source on these claims is from Linde-Gas.com)

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