A recent article featured in the News Tribune discussed the rising cost of R-22 refrigerant, better known as Freon. The article states that prices are rising due to a “phasing out of R-22 as part of the international treaty on protecting the ozone layer called the Montreal Protocol.” Due to an increasingly limited production of [ more ]
Following meetings earlier in the year the United Nations Industrial Development Organisation (UNIDO) has recommended that Russia bans the use of disposable refrigerant cylinders in line with the EU, USA, Canada and other developed countries.
There are a number of companies promoting 100% hydrocarbon based refrigerants to replace R-22 as direct drop ins for HVAC and commercial refrigeration. Do they work? Yes. Are they legal? No: not for replacing R-22 in existing HVAC and commercial refrigeration systems! They are highly flammable and can be dangerous.