HFO-1234yf is a new class of refrigerants known as hydrofluoroolefins. These refrigerants are similar to HFC refrigerants except that they have a much much lower Global Warming Potential number. This is done by creating a double carbon bond within HFO refrigerants. This double bond is easily decomposable in the environment if the refrigerant is leaked or vented. 1234yf is the first of these classes of refrigerants and will be used in automotive applications to replace R-134a.
