Best R290 (Propane) Heat Pumps by SCOP (2026)
Top 10 of 696 qualifying products · updated 2026-10-13
R290 (propane) is a natural refrigerant with a GWP of just 3, and typically enables higher flow temperatures. These are the most efficient R290 heat pumps in the database, ranked by SCOP.
Every figure comes from the manufacturer’s published specification as recorded in the Heat Pump Database; near-identical variants (e.g. single- and three-phase versions with the same result) are shown once. The list updates automatically as new products are added.
| # | Model | Capacity | SCOP | Refrigerant | Noise |
|---|---|---|---|---|---|
| 1 |  Rhoss MidiFLOW-PI THHITP 140 | 44.7 kW | 7.32 | R290 | |
| 2 | Rhoss MidiFLOW-PI THHITP 125 | 30.1 kW | 7.17 | R290 | |
| 3 | Rhoss MidiFLOW-PI THHITP 145 | 51.2 kW | 7.13 | R290 | |
| 4 | Rhoss MidiFLOW-PI THHITP 130 | 35.1 kW | 7.04 | R290 | |
| 5 | Rhoss MidiFLOW-PI THHITP 135 | 39.2 kW | 6.94 | R290 | |
| 6 | Rhoss MidiFLOW-PI THHITP 120 | 21.7 kW | 6.57 | R290 | |
| 7 | Rhoss MidiFLOW-PI THHITP 115 | 17.6 kW | 6.55 | R290 | |
| 8 |  Swegon SIGMA Zero Hi HPW | 43.6 kW | 6.53 | R290 | 78 dB(A) |
| 9 |  Keyter Medea Pro 1015 | 26.1 kW | 6.5 | R290 | |
| 10 | Swegon SIGMA Zero Hi HPW | 37.7 kW | 6.49 | R290 | 78 dB(A) |