BuderusWLW-11 MBE+ AR
The Buderus WLW-11 MBE+ AR is an air-to-water heat pump with a SCOP of 5.4 (35 °C) and a sound power level of 45 dB(A).1
Key figures
Technical specifications
| General | |
|---|---|
| Type (source) | Air-to-water1 |
| Performance | |
| Heating capacity (A7/W35) | 4.64 kW1 |
| Rated output 35 °C | 11 kW1 |
| Rated output 55 °C | 11 kW1 |
| Min. outdoor temperature | -22 °C1 |
| Efficiency | |
| SCOP (35 °C) | 5.41 |
| SCOP (55 °C) | 4.121 |
| Seasonal efficiency ηs 35 °C | 213 %1 |
| Seasonal efficiency ηs 55 °C | 162 %1 |
| Energy label 35 °C | A, , , 1 |
| Energy label 55 °C | A, , , 1 |
| COP A7/W35 | 5.351 |
| Noise | |
| Outdoor unit sound power | 45 dB(A)1 |
| Indoor unit sound power | 31 dB(A)1 |
| Refrigerant | |
| Refrigerant | R2901 |
| Refrigerant GWP | 31 |
| Refrigerant charge | 1.7 kg1 |
Variants
This model is registered in 5 combinations (for example with a different indoor unit or cylinder) with exactly the same performance. All figures on this page apply to each of these types. The part of the type number that differs is in bold; small differences (e.g. cylinder volume or anode) are listed after it:
- WLW-11 MBE+ AR
- WLW186i-11 MBE+ AR E
- WLW186i-11 MBE+ AR E W
- WLW186i-11 MBE+ AR TP70 — Indoor unit sound power: 39 dB(A)
- WLW186i-11 MBE+ AR TP70 W — Indoor unit sound power: 39 dB(A)
Manufacturer documentation
- Product page
- Brochure / leaflet — Logatherm WLW186i MBE+ AR E – Fachinformation EinbauCheck
- Brochure / leaflet — Logatherm WLW186i MBE+ AR TP70 – Fachinformation
External links to Buderus's official website. The manufacturer may change or move documents; where they differ, the manufacturer's latest version applies.
Frequently asked questions
Which refrigerant does the Buderus WLW-11 MBE+ AR use?
The Buderus WLW-11 MBE+ AR uses R290.1
Sources
- Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026