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New Publication on Natural Refrigerants
GTZ Proklima presents an edited volume on sustainable ozone- and climate-friendly alternatives to HCFCsThe replacement of R22 in commercial and industrial refrigeration and the air-conditioning sector poses a major challenge for developing countries when designing and implementing the accelerated HCFC phase-out. Natural refrigerants are the only available ozone- and climate-friendly alternatives to HCFCs, and should therefore be given preference over HFCs when looking for sustainable, long-term alternatives to R22. This collection of articles was compiled to highlight the benefits of natural refrigerants and to provide guidance to those involved in implementing the HCFC phase-out in developing countries: policy stakeholders, manufacturers of refrigeration and air-conditioning equipment, and end-users of R22 such as supermarket chains or owners of large (commercial) buildings with installed air-conditioning systems. The edited volume contains 31 articles by individual authors representing government entities, academia and industry. Grouped into 4 sections, these articles cover the following themes: policies and legislation on F-gases and related issues (Part 1), safety concerns as the main hurdle when implementing natural refrigerants and ways of overcoming them (Part 2), a technical assessment of natural refrigerants in different applications (air conditioning, commercial and industrial refrigeration and heat pumps) (Part 3), as well as case studies by manufacturers and end-users providing insights into market developments and examples of successful conversions of systems previously using R22 to natural refrigerants (Part 4). The authors give an account of specific conditions which prevail in developing countries, such as high ambient temperature conditions, and illustrate how the application of natural refrigerants leads to significant environmental and economic side benefits in the long-term, such as reductions in energy consumption and thus CO2 emissions and energy costs. The official presentation of the publication took place on July 8 at the Open-Ended Working Group of the Parties of the Montreal Protocol in Bangkok, Thailand.
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