Most efficient 10–14 kW heat pumps
387 models in our database meet this; below the first 25 in order.
Criteria:
- Rated output 35 °C from 10 up to 14 kW
- Sorted by: SCOP (35 °C) (highest first)
Only models for which these figures are known. This is a ranking by data, not a test or recommendation; the source of every value is on the product page.
| # | Model1,2 | SCOP (35 °C) | Rated output 35 °C | SCOP (55 °C) | Refrigerant |
|---|---|---|---|---|---|
| 1 | iDM iPump T 2-8 (Wasser / Wasser) | 7.93 | 10.5 kW | 6.35 | R410A |
| 2 | Hoval UltraSource T comfort (13) (Wasser / Wasser) | 7.92 | 10.5 kW | 6.33 | R410A |
| 3 | Hoval UltraSource T comfort (8) (Wasser / Wasser) | 7.92 | 10.5 kW | 6.33 | R410A |
| 4 | NIBE S1156-8 | 7.87 | 10 kW | 5.63 | R454B |
| 5 | NIBE S1156-8 (Wasser / Wasser) | 7.87 | 10 kW | 5.62 | R454B |
| 6 | Kronoterm ETERA M-1 HT / HK UF E | 7.72 | 12.1 kW | 5.47 | R452B |
| 7 | Ochsner AQUA FOX 312 HPLA S1 | 7.51 | 12 kW | 5.53 | R452B |
| 8 | Thermia Calibra E 12 230V | 7.51 | 12.24 kW | 5.52 | R452B |
| 9 | Thermia Calibra 12 230V | 7.45 | 10.42 kW | 5.36 | R410A |
| 10 | HOTJET CZ 10 WX (Wasser / Wasser) | 7.32 | 10.37 kW | 5.37 | R454B |
| 11 | Thermia Sigrin 13 230V | 7.26 | 12.8 kW | 5.6 | R454C |
| 12 | CTA OH CT 9s (Wasser/Wasser) | 7.06 | 10 kW | 5.12 | R290 |
| 13 | AWE EWW 2 | 6.93 | 13.65 kW | 5.16 | R290 |
| 14 | Kermi x-change dynamic water (pc) 10 WW I | 6.89 | 10 kW | 4.67 | R410A |
| 15 | Thermia Calibra RXT 12 230V | 6.88 | 13.85 kW | 5.42 | R290 |
| 16 | Dimplex WI 14 TU | 6.69 | 13 kW | 4.45 | R410A |
| 17 | Weishaupt WWP W 14 ID | 6.69 | 13 kW | 4.45 | R410A |
| 18 | ELCO AQUATOP S11 | 6.65 | 13.34 kW | 5.38 | R410A |
| 19 | ELCO AQUATOP S11 (Wasser / Wasser) | 6.65 | 13.34 kW | 5.38 | R410A |
| 20 | Viessmann VITOCAL 200-G BWC 201.B08 | 6.57 | 11.5 kW | 4.66 | R410A |
| 21 | Dimplex WI 10 TU | 6.41 | 10 kW | 4.28 | R410A |
| 22 | Weishaupt WWP W 10 ID | 6.41 | 10 kW | 4.28 | R410A |
| 23 | Thermia Legend 10 400V | 6.38 | 13.27 kW | 4.85 | R452B |
| 24 | Thermia Legend 10 400V | 6.38 | 13.27 kW | 4.85 | R452B |
| 25 | Thermia Legend 10 400V (Wasser / Wasser) | 6.38 | 13.27 kW | 4.85 | R452B |
More selections
- Quietest 4–6 kW heat pumps
- Most efficient 4–6 kW heat pumps
- Quietest 6–8 kW heat pumps
- Most efficient 6–8 kW heat pumps
- Quietest 8–10 kW heat pumps
- Most efficient 8–10 kW heat pumps
- Quietest 10–14 kW heat pumps
- Heat pumps with R290 (propane)
- Most efficient heat pumps for radiators (55 °C)
- Air-to-water heat pumps
- Ground-source heat pumps (brine-to-water)
- Water-to-water heat pumps (groundwater)
- Hybrid heat pumps (with a gas boiler)
Sources
- List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 28 Sept 2026
- Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026