Best Air Source Heat Pumps by SCOP
Top 20 of 1229 qualifying products · updated 2026-07-29
Ranked by SCOP (seasonal coefficient of performance) at a 35°C flow temperature — the fairest single measure of real-world heating efficiency. Only products with a published SCOP at W35 are included.
| # | Model | Capacity | SCOP (W35) | Refrigerant | Noise |
|---|---|---|---|---|---|
| 1 | Kronoterm ADAPTMAX | 35.4 kW | 5.82 | R290 | 49 dB(A) |
| 2 | Kronoterm ADAPTMAX | 70.4 kW | 5.81 | R290 | 52 dB(A) |
| 3 | Kronoterm ADAPTMAX | 106.1 kW | 5.8 | R290 | 54 dB(A) |
| 4 | M-Tec AHPA722 | 7–22 kW | 5.6 | R290 | 53 dB(A) |
| 5 | Acond Grandis-R | 8.8 kW | 5.58 | R290 | 47.7 dB(A) |
| 6 | M-Tec AHPA413 | 4–13 kW | 5.5 | R290 | 46 dB(A) |
| 7 | M-Tec WPLK722 | 4–22 kW | 5.49 | R410A | 53 dB(A) |
| 8 | Haier HPM 14kW (400V) | 14 kW | 5.46 | R290 | 54 dB(A) |
| 9 | LG Therma V R290 Monobloc 12kW | 12 kW | 5.45 | R290 | 49 dB(A) |
| 10 | Haier HPM 14kW | 14 kW | 5.42 | R290 | 68 dB(A) |
| 11 | Haier HPM 16kW (400V) | 16 kW | 5.41 | R290 | 55 dB(A) |
| 12 | Grant Aerona3 R32 13kW | 13.6 kW | 5.4 | R32 | 60.8 dB(A) |
| 13 | LG Therma V R290 Monobloc 14kW | 14 kW | 5.38 | R290 | 51 dB(A) |
| 14 | Acond Grandis-N | 3.54 kW | 5.38 | R290 | 46.1 dB(A) |
| 15 | CTC EcoAir 700M 720M (400V) | 4.28–21.82 kW | 5.35 | R290 | 54 dB(A) |
| 16 | Baxi HP60 High Monobloc, 4kW | 4.4–6.86 kW | 5.34 | R290 | 48 dB(A) |
| 17 | Nibe S2125 | 4.72 kW | 5.33 | R290 | 49 dB(A) |
| 18 | Haier HPM 16kW | 16 kW | 5.32 | R290 | 68 dB(A) |
| 19 | Ochsner AIR EAGLE 1830 C12A CM1 | 6–23 kW | 5.31 | R290 | 54 dB(A) |
| 20 | Nibe S2125 | 12.03 kW | 5.3 | R290 | 55 dB(A) |
Rankings are generated automatically from manufacturer-published data in the Heat Pump Database and refresh as new products are added. Figures come from different manufacturers’ datasheets and certification documents; always confirm specifications with the manufacturer. Products without the relevant published figure are excluded.