Industrial heat pumps · Working fluids
HTHP applicable working fluids
Reproduces Table 2 from the IIR Technical Brief A Key Technology for Industrial Decarbonisation (61st IIR Technical Brief, 2026). For fluid screening and safety class orientation only—confirm against manufacturer data and site regulations.
Source publication: IIR — High-Temperature Heat Pumps for Industrial Decarbonisation (FRIDOC)
TABLE 2: PROPERTIES OF A FEW APPLICABLE WORKING FLUIDS IN HTHPS
| TYPE | REFRIGERANT | CHEMICAL NAME | FORMULA | tcr (°C) | pcr (MPa) | NBP | ODP | GWP | SAFETY |
|---|
The data was gathered from [31] and [32], unless otherwise specified. a: [33], b: [34], c: [35], d: [36], e: [37].
R&D roadmap & adoption barriers → HTHP column