HFCs and "natural" refrigerants vie to replace HCFCs

Proposed controls on HCFC refrigerants are opening new markets in refrigeration and air conditioning which are being fought over by producers of HFCs and the "natural" refrigerants, ammonia and hydrocarbons. But sales of equipment containing HCFCs remain buoyant - in some cases lumbering users with the prospect of difficult retrofits before the proposed HCFC ban in 2008.

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