Refrigerants used in air conditioners are changing … again. The last round of changes took place between the mid-1990s through 2010, as chlorofluorocarbon (CFC) and hydrochlorofluorocarbon (HCFC) ...
LEAK TESTING: When leak testing an R-290 system, use only non-ignitable type detectors, such as electronic leak detectors rated for flammable gases. April 14, 2026 Troubleshooting and repairing R-290 ...
Refrigerants with low global warming potential are more sustainable for the planet, but often more flammable than traditional HFCs. UL Solutions’ Zhongshan laboratory is addressing safety concerns ...
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