Clivet WiSAN-YME 1 S 6.1 vs TCL THML-12D/HBp-A
SCOP (35 °C): Clivet WiSAN-YME 1 S 6.1 4.81, TCL THML-12D/HBp-A 4.78. The TCL THML-12D/HBp-A is better on 6 of 13 comparable points.
Who wins where
- Clivet WiSAN-YME 1 S 6.1
- TCL THML-12D/HBp-A
Biggest differences
| Fact | WiSAN-YME 1 S 6.1 | THML-12D/HBp-A |
|---|---|---|
| Refrigerant charge | 1.84 kg | 1.74 kg |
| Rated output 55 °C | 11.58 kW | 12 kW |
Score per area = position (0–100) relative to all 1350 models in this category; higher is better.
| Technical specifications | ClivetWiSAN-YME 1 S 6.1 | TCLTHML-12D/HBp-A |
|---|---|---|
| Grants & market | ||
| Boiler Upgrade Scheme | £7,500 – £9,000 | £7,500 – £9,000 |
| General | ||
| Type (source) | Air-to-water 1 | Air-to-water 2 |
| Performance | ||
| Heating capacity (A7/W35) | 12.1 kW 1 | 12.1 kW 2 |
| Rated output 35 °C | 12 kW 1 | 12 kW 2 |
| Rated output 55 °C | 11.58 kW 1 | 12 kW ✓ 2 |
| Min. outdoor temperature | -22 °C 1 | -22 °C 2 |
| Efficiency | ||
| SCOP (35 °C) | 4.81 ✓ 1 | 4.78 2 |
| SCOP (55 °C) | 3.45 1 | 3.48 ✓ 2 |
| Seasonal efficiency ηs 35 °C | 189 % ✓ 1 | 188 % 2 |
| Seasonal efficiency ηs 55 °C | 135 % 1 | 136 % ✓ 2 |
| Energy label 35 °C | A, , , 1 | A, , , 2 |
| Energy label 55 °C | A, , 1 | A, , 2 |
| COP A7/W35 | 4.95 1 | 5 ✓ 2 |
| Noise | ||
| Outdoor unit sound power | 65 dB(A) 1 | 64 dB(A) ✓ 2 |
| Refrigerant | ||
| Refrigerant | R32 1 | R32 2 |
| Refrigerant GWP | 675 1 | 675 2 |
| Refrigerant charge | 1.84 kg 1 | 1.74 kg ✓ 2 |
| Grants & market | ||
| ISDE grant (NL) | 3,700 € 3 | 3,700 € 3 |
Sources
- Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026
- Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026
- ISDE heat pump notification code list — Rijksdienst voor Ondernemend Nederland (RVO) · accessed 28 Sept 2026