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BuderusWLW-13 MBB A H P3

Buderus WLW-13 MBB A H P3
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The Buderus WLW-13 MBB A H P3 is an air-to-water heat pump with a SCOP of 4.83 (35 °C) and a sound power level of 51 dB(A).1

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SCOP (35 °C)
4.831

Seasonal efficiency: how much heat you get per kWh of electricity across a heating season.

Heating capacity (A7/W35)
11.09kW1
Official source
Outdoor unit sound power
51dB(A)1
Official source
Refrigerant
R2901
Official source
Type (source)
Air-to-water1
Official source

Technical specifications

General
Type (source) Air-to-water1
Performance
Heating capacity (A7/W35) 11.09 kW1
Rated output 35 °C 12.5 kW1
Rated output 55 °C 12.5 kW1
Min. outdoor temperature -22 °C1
Efficiency
SCOP (35 °C) 4.831
SCOP (55 °C) 3.791
Seasonal efficiency ηs 35 °C 190 %1
Seasonal efficiency ηs 55 °C 149 %1
Energy label 35 °C A, , , 1
Energy label 55 °C A, , 1
COP A7/W35 4.331
Noise
Outdoor unit sound power 51 dB(A)1
Indoor unit sound power 46 dB(A)1
Refrigerant
Refrigerant R2901
Refrigerant GWP 31
Refrigerant charge 1.37 kg1

Variants

This model is registered in 2 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-13 MBB A H P3
  • WLW-13 MBB A H P3 GBH172i

Manufacturer documentation

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-13 MBB A H P3 use?

The Buderus WLW-13 MBB A H P3 uses R290.1

Sources

  1. Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026