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Samsung AE050CXYDEK/EU + AE200DNWMPK/EU vs STIEBEL ELTRON LWZ 05.1 Premium HKWL 230

SCOP (35 °C): Samsung AE050CXYDEK/EU + AE200DNWMPK/EU 5.1, STIEBEL ELTRON LWZ 05.1 Premium HKWL 230 4.28. The Samsung AE050CXYDEK/EU + AE200DNWMPK/EU is better on 11 of 15 comparable points.

Who wins where

  • Samsung AE050CXYDEK/EU + AE200DNWMPK/EU
  • STIEBEL ELTRON LWZ 05.1 Premium HKWL 230
PerformanceEfficiencyNoiseRefrigerantConnectivity & smart
Performance: Samsung AE050CXYDEK/EU + AE200DNWMPK/EU 14, STIEBEL ELTRON LWZ 05.1 Premium HKWL 230 7; Efficiency: Samsung AE050CXYDEK/EU + AE200DNWMPK/EU 67, STIEBEL ELTRON LWZ 05.1 Premium HKWL 230 28; Noise: Samsung AE050CXYDEK/EU + AE200DNWMPK/EU 55, STIEBEL ELTRON LWZ 05.1 Premium HKWL 230 29; Refrigerant: Samsung AE050CXYDEK/EU + AE200DNWMPK/EU 86, STIEBEL ELTRON LWZ 05.1 Premium HKWL 230 75; Connectivity & smart: Samsung AE050CXYDEK/EU + AE200DNWMPK/EU 50, STIEBEL ELTRON LWZ 05.1 Premium HKWL 230 50

Biggest differences

FactAE050CXYDEK/EU + AE200DNWMPK/EULWZ 05.1 Premium HKWL 230
Heating capacity (A7/W35)5 kW2.26 kW
Refrigerant charge0.63 kg1.24 kg
Indoor unit sound power40 dB(A)53 dB(A)
COP A2/W355.084.14
Seasonal efficiency ηs 35 °C201 %168 %
SCOP (35 °C)5.14.28
All specifications ↓

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

Technical specifications SamsungAE050CXYDEK/EU + AE200DNWMPK/EU STIEBEL ELTRONLWZ 05.1 Premium HKWL 230
General
Type (source) Air-to-water 1 Air-to-water 1
Performance
Heating capacity (A7/W35) 5 kW ✓ 2 2.26 kW 3
Rated output 35 °C 5.5 kW ✓ 1 5.47 kW 1
Rated output 55 °C 5.5 kW ✓ 1 5.44 kW 1
Efficiency
SCOP (35 °C) 5.1 ✓ 1 4.28 1
SCOP (55 °C) 3.6 ✓ 1 3.28 1
Seasonal efficiency ηs 35 °C 201 % ✓ 1 168 % 1
Seasonal efficiency ηs 55 °C 141 % ✓ 1 128 % 1
Energy label 35 °C A, , , 2 A, , 3
Energy label 55 °C A, , 2 A, , 3
COP A7/W35 5.1 1 5.55 ✓ 1
COP A2/W35 5.08 ✓ 1 4.14 1
COP A-7/W35 3.06 ✓ 1 2.9 1
Noise
Outdoor unit sound power 55 dB(A) 1 55 dB(A) 1
Indoor unit sound power 40 dB(A) ✓ 1 53 dB(A) 1
Refrigerant
Refrigerant R290 1 R290 1
Refrigerant GWP 3 2 3 3
Refrigerant charge 0.63 kg ✓ 1 1.24 kg 1
Electrical
Max. power input 3.1 kW 1 12.2 kW 1
Connectivity & smart
SG Ready Yes 1 Yes 1
Grants & market
ISDE grant (NL) – 2,150 € 4

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
  4. ISDE heat pump notification code list — Rijksdienst voor Ondernemend Nederland (RVO) · accessed 28 Sept 2026