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universal r-410a training certification

Section I R-410A and the HCFC Phase Out. R-22. Background. In recent years, the HVACR industry has supported global efforts to transition to safer non-chlorine based refrigerants.. HCFCs, (including R-22) that have been widely used in air conditioning and refrigeration applications since the 1940's, are being phased out..

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universal r-410a training certification

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    1: Universal R-410A Training & Certification

    33: Tested as replacements for R-22 NU-22B™ (R-422B) 55% R-125, 42% R-134a, 3% R-600 R-422A 85% R-125, 11.6% R-134Ş, 3.4% R-600 R-417Ş 46.6% R-125, 50.0% R-134Ş, 3.4% R-600 All 3 use the same refrigerants, just in different percentages.

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