Decades ago, few people thought common conveniences like refrigerators and air conditioners would contribute to environmental concerns. But with mounting unease over ozone depletion, a significant focus was placed on a hydrochlorofluorocarbon (HCFC) called R-22, and in 2004, the Clean Air Act moved to phase out HCFCs by 2020 in favor of ozone-friendly refrigerants (HFCs). The industry needed a new, cleaner replacement refrigerant it could retrofit into existing equipment, as well as a responsible way to phase out its R-22 use — and DuPont moved to address both options.
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DuPont developed ISCEON® MO99™ ozone-friendly refrigerant — a zero-ozone-depleting HFC refrigerant designed to replace R-22 in existing air conditioning and refrigeration systems. It provides similar cooling capacity and energy efficiency to R-22, and with a significantly lower discharge temperature that can help prolong compressor life. ISCEON® MO99™ refrigerant retrofits are quick and cost-effective for most R-22 systems — simply recover the R-22, replace critical seals, charge refrigerant, and restart. DuPont and industry groups also collaborated to create www.phaseoutfacts.org, which details responsible use of refrigerants, as well as pointing users towards the DuPont Refrigerant Reclaim Program and its options for recovering and recycling R-22 at authorized centers.
Implementing a refrigerant management plan that includes retrofitting to HFCs such as ISCEON® MO99™ ozone-friendly refrigerant, and recycling existing R-22, allows business owners to move away from HCFC usage and its negative impact on the environment, while remaining efficient and operational. By working together and taking advantage of DuPont programs and product offerings, equipment owners and facility managers will be protecting their businesses and protecting the environment.