In most refrigeration and air conditioning systems, refrigerant will want to travel, or migrate, to a place where the pressure is the lowest. During the off-cycle or especially during a long shutdown, ...

With the ban on R-4040A, R-507A and other refrigerants taking effect in 2021, and further phasing out of over 20 regulated refrigerants, hydrofluorocarbon (HFC) use is set to be reduced by over 85% ...

Developed by a Chinese research group, the novel refrigerant is made of a mixture of carbon dioxide (CO2) and a non-flammable hydrofluoroolefin. It has slightly higher costs compared to conventional ...

Heat pumps are essential for ditching fossil fuels. The appliances are many times more efficient than even the best gas furnaces, and they run on electricity, so they can draw power from renewables ...