versusindex
MT
Heat pumps · MT

BrötjeBLW Mono-R 12.1

The Brötje BLW Mono-R 12.1 is an air-to-water heat pump with a SCOP of 5.38 (35 °C) and a sound power level of 49 dB(A).1

Last updated: Technical specifications ⇄ Compare this model
Search this model
SCOP (35 °C)
5.381

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

Outdoor unit sound power
49dB(A)1
Official source
Refrigerant
R2901
Official source
Type (source)
Air-to-water1
Official source
Rated output 35 °C
12kW1
Official source

Technical specifications

General
Type (source) Air-to-water1
Compressors 11
Capacity control drehzahlregelung1
Performance
Rated output 35 °C 12 kW1
Rated output 55 °C 12 kW1
Efficiency
SCOP (35 °C) 5.381
SCOP (55 °C) 3.981
Seasonal efficiency ηs 35 °C 212 %1
Seasonal efficiency ηs 55 °C 156 %1
COP A7/W35 5.471
COP A2/W35 5.391
COP A-7/W35 3.241
Noise
Outdoor unit sound power 49 dB(A)1
Indoor unit sound power 30 dB(A)1
Refrigerant
Refrigerant R2901
Refrigerant charge 2.15 kg1
Electrical
Max. power input 9.2 kW1
Connectivity & smart
SG Ready Yes1

Variants

This model is registered in 3 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:

  • BLW Mono-R 12.1
  • BLW Mono-KP 12.1 — Indoor unit sound power: 31.7 dB(A)
  • BLW Mono-W 12.1

Frequently asked questions

Which refrigerant does the Brötje BLW Mono-R 12.1 use?

The Brötje BLW Mono-R 12.1 uses R290.1

Sources

  1. List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 27 Sept 2026