STIEBEL ELTRONWPF 40

The STIEBEL ELTRON WPF 40 is a heat pump with SCOP (35 °C) 5.05 and refrigerant R410A.1
Key figures
Technical specifications
| General | |
|---|---|
| Type (source) | Ground source1 |
| Performance | |
| Rated output 35 °C | 43 kW1 |
| Rated output 55 °C | 40 kW1 |
| Efficiency | |
| SCOP (35 °C) | 5.051 |
| SCOP (55 °C) | 3.531 |
| Seasonal efficiency ηs 35 °C | 194 %1 |
| Seasonal efficiency ηs 55 °C | 133 %1 |
| Energy label 35 °C | A, , , 1 |
| Energy label 55 °C | A, , 1 |
| Noise | |
| Indoor unit sound power | 59 dB(A)1 |
| Refrigerant | |
| Refrigerant | R410A1 |
| Refrigerant GWP | 2,0881 |
| Refrigerant charge | 10 kg1 |
Manufacturer documentation
- Product page
- Datasheet / specifications — WPF 40 – Technical data
External links to STIEBEL ELTRON's official website. The manufacturer may change or move documents; where they differ, the manufacturer's latest version applies.
Frequently asked questions
Sources
- Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026