Review Article

Performance of Heat Pump Air Conditioning with R1234ze (HFO) as a Refrigerant

Table 3

Basic thermodynamic and environmental properties of selected working fluids [21].

SubstanceMolar mass (kg·kmol−L)Tb (K)Tc (K)Pc (MPa)ωODPGWP/100 year

R1234ze (Z)113.04288.9423.273.5330.32740<1
R245fa135.05289.29427.163.6510.37760950
R236fa151.04272.66398.073.20.37709400
R227ea172.03255.81374.92.9250.35703500
R114171.92286.74418.833.2570.25230.859800
R134a104.03267.08374.214.05930.3268401300