Heat pumps · Compare

August Brötje BLW Mono-KP 9.1 vs LG Electronics Deutschland THERMA V HM093HF + HN1639HY

SCOP (35 °C): August Brötje BLW Mono-KP 9.1 5.07, LG Electronics Deutschland THERMA V HM093HF + HN1639HY 5.2. The August Brötje BLW Mono-KP 9.1 is better on 6 of 13 comparable points.

Who wins where

  • August Brötje BLW Mono-KP 9.1
  • LG Electronics Deutschland THERMA V HM093HF + HN1639HY
PerformanceEfficiencyNoiseRefrigerantConnectivity & smart
Performance: August Brötje BLW Mono-KP 9.1 38, LG Electronics Deutschland THERMA V HM093HF + HN1639HY 35; Efficiency: August Brötje BLW Mono-KP 9.1 66, LG Electronics Deutschland THERMA V HM093HF + HN1639HY 50; Noise: August Brötje BLW Mono-KP 9.1 85, LG Electronics Deutschland THERMA V HM093HF + HN1639HY 41; Refrigerant: August Brötje BLW Mono-KP 9.1 38, LG Electronics Deutschland THERMA V HM093HF + HN1639HY 85; Connectivity & smart: August Brötje BLW Mono-KP 9.1 50, LG Electronics Deutschland THERMA V HM093HF + HN1639HY 50

Biggest differences

FactBLW Mono-KP 9.1THERMA V HM093HF + HN1639HY
Refrigerant charge1.55 kg0.9 kg
COP A-7/W353.422.7
Outdoor unit sound power48 dB(A)60 dB(A)
Indoor unit sound power31.7 dB(A)39 dB(A)
COP A2/W354.313.7
Rated output 55 °C9 kW8 kW
All specifications ↓

Score per area = position (0–100) relative to all 1000 models in this category; higher is better.

Technical specifications August BrötjeBLW Mono-KP 9.1 LG Electronics DeutschlandTHERMA V HM093HF + HN1639HY
Grants & market
Boiler Upgrade Scheme £7,500 – £9,000£7,500 – £9,000
Performance
Rated output 35 °C 9 kW 1 9 kW 1
Rated output 55 °C 9 kW ✓ 1 8 kW 1
Efficiency
SCOP (35 °C) 5.07 1 5.2 ✓ 1
SCOP (55 °C) 3.78 1 3.85 ✓ 1
Seasonal efficiency ηs 35 °C 200 % 1 205 % ✓ 1
Seasonal efficiency ηs 55 °C 148 % 1 151 % ✓ 1
COP A7/W35 5.08 ✓ 1 4.7 1
COP A2/W35 4.31 ✓ 1 3.7 1
COP A-7/W35 3.42 ✓ 1 2.7 1
Noise
Outdoor unit sound power 48 dB(A) ✓ 1 60 dB(A) 1
Indoor unit sound power 31.7 dB(A) ✓ 1 39 dB(A) 1
Refrigerant
Refrigerant R290 1 R290 1
Refrigerant charge 1.55 kg 1 0.9 kg ✓ 1
Electrical
Max. power input 5.5 kW 1 3.3 kW 1
Connectivity & smart
SG Ready Yes 1 Yes 1

Sources

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