Refrigerant and Regulatory Developments: Changes Impacting t
Refrigerant and Regulatory Developments: Changes Impacting the Opportunities for Natural Refrigerants (2015)-In the years since the Montreal Protocol went into effect in 1989, the global refrigeration and air conditioning industry has met the challenge of phasing out ozone depleting chemicals and adapted well to achieving increasing efficiency for their equipment using synthetic hydrofluorocarbons (HFCs) in most common applications. In large industrial applications, ammonia has become the standard refrigerant of choice, even though HFCs are used in some installations. In recent years, the alarming growth and emissions of HFCs into atmosphere has caused concern that, if left unchecked, these HFCs could become a major contributor to global warming gases in the atmosphere. Starting with some European countries, and followed by Australia and eventually the rest of Europe, governments have started taking action to curb this growth and emission of large quantities of HFCs. More recently, the United States Environmental Protection Agency (EPA) announced proposed rules to remove some of the HFCs by application from their approved list of refrigerants. The refrigerant landscape has changed significantly and continues to evolve as these factors come into play. In response to a demand for refrigerants with lower climate impact, natural refrigerants have seen resurgence, made possible in large part due to the advent of electronics and software to make natural refrigerant systems more efficient. New synthetic refrigerants have also been developed, more efficient than existing HFCs and having less impact on the climate. We are looking at a future with more options than we have ever had before • which means that we have to be careful in how we make our choices to minimize or eliminate unintended negative consequences.
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