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Exinda XDASH15D3A vs Viessmann IDU-A AWMIW.A1.19-V052 ODU 250-A AWMOF-251.A1.16-400-V002

SCOP (35 °C): Exinda XDASH15D3A 5, Viessmann IDU-A AWMIW.A1.19-V052 ODU 250-A AWMOF-251.A1.16-400-V002 4.85. The Exinda XDASH15D3A is better on 8 of 14 comparable points.

Who wins where

  • Exinda XDASH15D3A
  • Viessmann IDU-A AWMIW.A1.19-V052 ODU 250-A AWMOF-251.A1.16-400-V002
PerformanceEfficiencyNoiseRefrigerantConnectivity & smart
Performance: Exinda XDASH15D3A 73, Viessmann IDU-A AWMIW.A1.19-V052 ODU 250-A AWMOF-251.A1.16-400-V002 62; Efficiency: Exinda XDASH15D3A 69, Viessmann IDU-A AWMIW.A1.19-V052 ODU 250-A AWMOF-251.A1.16-400-V002 65; Noise: Exinda XDASH15D3A 5, Viessmann IDU-A AWMIW.A1.19-V052 ODU 250-A AWMOF-251.A1.16-400-V002 81; Refrigerant: Exinda XDASH15D3A 78, Viessmann IDU-A AWMIW.A1.19-V052 ODU 250-A AWMOF-251.A1.16-400-V002 55; Connectivity & smart: Exinda XDASH15D3A 50, Viessmann IDU-A AWMIW.A1.19-V052 ODU 250-A AWMOF-251.A1.16-400-V002 50

Biggest differences

FactXDASH15D3AIDU-A AWMIW.A1.19-V052 ODU 250-A AWMOF-251.A1.16-400-V002
Refrigerant charge1.1 kg2 kg
Heating capacity (A7/W35)13.6 kW8.5 kW
Outdoor unit sound power68 dB(A)48 dB(A)
COP A7/W356.946.2
Rated output 55 °C13.2 kW12.09 kW
Seasonal efficiency ηs 55 °C146.3 %153 %
All specifications ↓

Score per area = position (0–100) relative to all 1350 models in this category; higher is better.

Technical specifications ExindaXDASH15D3A ViessmannIDU-A AWMIW.A1.19-V052 ODU 250-A AWMOF-251.A1.16-400-V002
General
Type (source) Air-to-water 1 Air-to-water 1
Performance
Heating capacity (A7/W35) 13.6 kW ✓ 2 8.5 kW 3
Rated output 35 °C 13.2 kW 1 13.29 kW ✓ 1
Rated output 55 °C 13.2 kW ✓ 1 12.09 kW 1
Min. outdoor temperature – -20 °C 3
Efficiency
SCOP (35 °C) 5 ✓ 1 4.85 1
SCOP (55 °C) 3.73 1 3.9 ✓ 1
Seasonal efficiency ηs 35 °C 196.9 % ✓ 1 190 % 1
Seasonal efficiency ηs 55 °C 146.3 % 1 153 % ✓ 1
Energy label 35 °C A, , , 2 A, , , 3
Energy label 55 °C A, , 2 A, , , 3
COP A7/W35 6.94 ✓ 1 6.2 1
COP A2/W35 5.19 ✓ 1 5 1
COP A-7/W35 2.92 ✓ 1 2.8 1
Noise
Outdoor unit sound power 68 dB(A) 1 48 dB(A) ✓ 1
Indoor unit sound power – 40 dB(A) 1
Refrigerant
Refrigerant R290 1 R290 1
Refrigerant GWP 3 2 3 3
Refrigerant charge 1.1 kg ✓ 1 2 kg 1
Electrical
Max. power input 5.4 kW 1 1.6 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
  2. Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026
  3. Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026