HVAC Suggestions You  Must  Know www.epa608practicetest.com

HVAC Suggestions You Must Know www.epa608practicetest.com

If you work in the HVACR business, you have probably heard that the US Clean Air Act and the Environmental Protection Agency (EPA) are calling for the gradual elimination of all ozone-depleting refrigerants. This includes the most commonly used refrigerant today, HCFC R-22, which is found in residential and commercial systems everywhere. The regulations currently state that there will be no production or importing of HCFC R-22 beginning in 2020.But, even sooner is the requirement that all HVAC/R manufacturers of air conditioning equipment must eliminate the use of HCFC R-22 in new equipment by January 1, 2010, in North America.Many factories have started this process and are now building systems that utilize HFC R - 410A refrigerant that does not contribute to the depletion of the ozone layer.When you work with R - 410A now or in the future, you will quickly find that it is also a high pressure refrigerant. This will mean that there are safety issues that you must to be aware of concerning its use. R - 410A is also a zeoptropic refri

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