There has been a lot of discussion lately regarding the use of mildly flammable (A2L) refrigerants such as R-32 and R-454B in comfort cooling applications. These types of refrigerants are not ...

While servicing new reach-in coolers and freezers today, technicians will likely find these systems are using R-290 (propane) as the refrigerant. R-290 is a hydrocarbon (HC) refrigerant and is ...

DURING recent studies of the properties of radicals trapped at low temperatures it has been found that the presence of bubbles in the body of a boiling refrigerant can be eliminated by introducing a ...