Review Article
Performance of Heat Pump Air Conditioning with R1234ze (HFO) as a Refrigerant
Table 1
Different refrigerants properties of HCFO and HFO suitable for heat pump operation [
25].
| | Type | Refrigerant | Biochemical formula | Tcrit (°C) | Pcrit (bar) | ODP (−) | GWP 100 (−) | SG | NBP (°C) | Mol. (g/mol) | Price (EUR/kg) |
| | HCFO | R1224yd (Z) | CF3CF=CHCl | 166.5 | 36.2 | 0.000 | 1 | A1 | 18.0 | 148.5 | n.a |
| | HFO | R1336mzz1 za
R1234ze (Z) b | CF3CH=CHCF 3 (Z) | 169.9 | 29.0 | 0 | 2 | A1
A2
L | 34.1 | 165.1 | n.a | | CF3CH=CHF (Z) | 149.8 | 35.3 | 0 | <1 | 9.9 | 115.0 | n.a |
| | HFC (for comparison) | R365mfce
R245faf | CF3CH2CF2C H3 | 186.9 | 32.7 | 0 | 804 | A2 | 40.2 | 148.1 | 80 | | CHF2CH2CF3 | 154.0 | 36.5 | 0 | 858 | B1 | 14.9 | 134.0 | 62 |
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