The Montreal protocol has been successful in enforcing the phase out of ozone layer damaging CFC’s and also the phasing out of HCFC in new equipment and insulation material. Although the chlorine free HFC refrigerants are non ozone layer depleting, many have a high GWP (Global Warming Potential). Refrigerants such as HFC-134a, HFC-404a, HFC407C, and HFC410a are well established and there is no date set for phasing-out other than in vehicle (mobile) air-conditioning. However, new legislation such as the “F” gas directives from the EU are aimed at regulating their use due to their GWP.

Key Issues are:

• Montreal protocol (Chlorinated gas phase out)
• "F" Gas regulation (Regulation to control emissions of fluorinated gases)
• MAC directive (Directive concerning mobile air-conditioning)

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