When technicians and property owners ask what kind of refrigerant is comparable with R438A, the most relevant options are usually R422B, R422D, R427A, and R407C. However, the best comparison depends on whether the original equipment is used for air conditioning, heat pumps, or medium- and low-temperature refrigeration. R438A, commonly marketed...

If you are researching what is R422B refrigerant used for, it is primarily used as a service and retrofit refrigerant for certain residential and light-commercial air-conditioning systems originally designed for R22. It was developed to help owners and HVAC professionals continue operating compatible legacy equipment without relying entirely on increasingly...

If you are researching what is R454B refrigerant, it is a lower-global-warming-potential refrigerant developed primarily for new residential and light-commercial air-conditioning and heat-pump equipment. Manufacturers are adopting it in systems engineered to deliver reliable cooling and heating performance while meeting newer environmental requirements. R454B is a zeotropic blend made from...