Heat pumps · Compare

ait-deutschland Jabbah 5-2 vs Vaillant Deutschland aroTHERM plus VWL 55/8.1 (A/230V)

SCOP (35 °C): ait-deutschland Jabbah 5-2 4.54, Vaillant Deutschland aroTHERM plus VWL 55/8.1 (A/230V) 4.92. The Vaillant Deutschland aroTHERM plus VWL 55/8.1 (A/230V) is better on 9 of 13 comparable points.

Who wins where

  • ait-deutschland Jabbah 5-2
  • Vaillant Deutschland aroTHERM plus VWL 55/8.1 (A/230V)
PerformanceEfficiencyNoiseRefrigerantConnectivity & smart
Performance: ait-deutschland Jabbah 5-2 10, Vaillant Deutschland aroTHERM plus VWL 55/8.1 (A/230V) 10; Efficiency: ait-deutschland Jabbah 5-2 23, Vaillant Deutschland aroTHERM plus VWL 55/8.1 (A/230V) 41; Noise: ait-deutschland Jabbah 5-2 55, Vaillant Deutschland aroTHERM plus VWL 55/8.1 (A/230V) 88; Refrigerant: ait-deutschland Jabbah 5-2 43, Vaillant Deutschland aroTHERM plus VWL 55/8.1 (A/230V) 98; Connectivity & smart: ait-deutschland Jabbah 5-2 50, Vaillant Deutschland aroTHERM plus VWL 55/8.1 (A/230V) 50

Biggest differences

FactJabbah 5-2aroTHERM plus VWL 55/8.1 (A/230V)
Refrigerant charge1.5 kg0.6 kg
Outdoor unit sound power51 dB(A)44.3 dB(A)
Indoor unit sound power40 dB(A)35.1 dB(A)
SCOP (35 °C)4.544.92
Seasonal efficiency ηs 55 °C134 %143 %
Seasonal efficiency ηs 35 °C178.4 %190 %
All specifications ↓

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

Technical specifications ait-deutschlandJabbah 5-2 Vaillant DeutschlandaroTHERM plus VWL 55/8.1 (A/230V)
Grants & market
Boiler Upgrade Scheme £7,500 – £9,000£7,500 – £9,000
Performance
Rated output 35 °C 5.6 kW 1 5.6 kW 1
Rated output 55 °C 5.4 kW 1 5.64 kW ✓ 1
Efficiency
SCOP (35 °C) 4.54 1 4.92 ✓ 1
SCOP (55 °C) 3.43 1 3.65 ✓ 1
Seasonal efficiency ηs 35 °C 178.4 % 1 190 % ✓ 1
Seasonal efficiency ηs 55 °C 134 % 1 143 % ✓ 1
COP A7/W35 4.93 ✓ 1 4.92 1
COP A2/W35 4.2 ✓ 1 4.07 1
COP A-7/W35 2.57 1 2.67 ✓ 1
Noise
Outdoor unit sound power 51 dB(A) 1 44.3 dB(A) ✓ 1
Indoor unit sound power 40 dB(A) 1 35.1 dB(A) ✓ 1
Refrigerant
Refrigerant R410A 1 R290 1
Refrigerant charge 1.5 kg 1 0.6 kg ✓ 1
Electrical
Max. power input 3.35 kW 1 3.4 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