IIARThe Official Magazine of the All-Natural Refrigeration Industry
In this issue of the Condenser, we’re looking at the exit strategies that end users and manufacturers alike are using – to move away from hydrofluorocarbons and hydrochlorofluorocarbons. As former IIAR chairman Bob Port mentions in our cover story “There is a lot of internal pressure to get out of [HFC’s and HCFC’s] from a sustainability standpoint, but it has to come at a reasonable cost and be a good business decision.”
Read MoreAs they move away from refrigerants with high global warming potential, commercial and industrial refrigeration users said they’re investing in new, natural refrigerant technology, including packaged ammonia systems and CO2 transcritical systems. The move to newer technologies is allowing them to ease some regulatory burdens, increase efficiency and improve safety.
Read MoreIn August, Amazon completed its $13.7 billion purchase of Whole Foods Market Inc., and the e-commerce giant now owns the upscale grocer Whole Foods, which is based in Austin, Texas, and has more than 460 stores in the United States, Canada and the United Kingdom.
Read MoreAlthough ammonia has been the refrigerant of choice in industrial refrigeration systems for more than a century, it has faced competition from numerous synthetic refrigerants, most recently 1234yf and R32. Although the use of ammonia brings with it a greater regulatory burden, it remains the more logical choice of refrigerant in larger refrigeration systems, especially from a safety, efficiency and environmental standpoint.
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New technologies have led to improvements in energy efficiency, but it will take a new and smarter approach to industrial refrigeration system design to harness the full potential of energy savings – systems that are environmentally sound and costeffective.
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I have often thought about situational awareness, but only on a cursory level. In my experience in dealing with emergencies, and seeing how people act in some situations most people seem oblivious to what is happening or can happen. Here is a recent experience I had that jarred me again into thinking about situational awareness.
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In May of 2015, IIAR was notified that inspectors with the Illinois State Fire Marshal were requesting that ammonia vessels as part of refrigeration systems be internally inspected.
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The IIAR and ARF reserve investment funds are currently managed by Stifel Financial Services under the investment policy established by their respective board of directors. In this and subsequent issues of the Condenser, you’ll find a “financial tech tips” article from the firm on this page. Members of IIAR may use the financial services of Stifel for personal and business investments and take advantage of the reduced rate structure offered with IIAR membership.
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Reduced-charge central ammonia refrigeration systems do not have to mean lower efficiency. With current technology, industrial refrigeration systems can be designed with a smaller ammonia charge and still operate at high efficiency. The key is trusting the math when designing a system.
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The safety of synthetic refrigerants versus anhydrous ammonia continues to provide a major point of debate within the refrigeration industry. Since ratification of the Montreal Protocol two decades ago, there has been a trend toward eliminating non-flammable synthetic refrigerants that have ozone depleting potential or global warming potential. At the same time, questions concerning the flammability and toxicity of replacement refrigerants have remained at the forefront.
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On August 8, 2017, the United States Court of Appeals for the District of Columbia Circuit issued a ruling in the case of Mexichem Fluor Inc. vs. the EPA finding that the Environmental Protection Agency (EPA) exceeded its statutory authority by promulgating a rule in 2015 that regulated the use of hydrofluorocarbons (HFCs). The 2015 regulation was issued by EPA through its Significant New Alternatives Program (SNAP) as a part of the Obama Administration’s plan to reduce greenhouse gas emissions
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