Heat pumps · Compare

REMKO HTS 95 vs STIEBEL ELTRON LWZ 05.1 Premium HKWL 230

SCOP (35 °C): REMKO HTS 95 5.61, STIEBEL ELTRON LWZ 05.1 Premium HKWL 230 4.28. The REMKO HTS 95 is better on 8 of 15 comparable points.

Who wins where

  • REMKO HTS 95
  • STIEBEL ELTRON LWZ 05.1 Premium HKWL 230
PerformanceEfficiencyNoiseRefrigerantConnectivity & smartGrants & market
Performance: REMKO HTS 95 19, STIEBEL ELTRON LWZ 05.1 Premium HKWL 230 10; Efficiency: REMKO HTS 95 73, STIEBEL ELTRON LWZ 05.1 Premium HKWL 230 28; Noise: REMKO HTS 95 22, STIEBEL ELTRON LWZ 05.1 Premium HKWL 230 29; Refrigerant: REMKO HTS 95 56, STIEBEL ELTRON LWZ 05.1 Premium HKWL 230 75; Connectivity & smart: REMKO HTS 95 50, STIEBEL ELTRON LWZ 05.1 Premium HKWL 230 50; Grants & market: REMKO HTS 95 1, STIEBEL ELTRON LWZ 05.1 Premium HKWL 230 4

Biggest differences

FactHTS 95LWZ 05.1 Premium HKWL 230
Refrigerant GWP6753
Seasonal efficiency ηs 35 °C221.3 %168 %
SCOP (35 °C)5.614.28
Rated output 35 °C6.55 kW5.47 kW
Seasonal efficiency ηs 55 °C150.8 %128 %
SCOP (55 °C)3.853.28
All specifications ↓

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

Technical specifications REMKOHTS 95 STIEBEL ELTRONLWZ 05.1 Premium HKWL 230
General
Type (source) Air-to-water 1 Air-to-water 1
Performance
Heating capacity (A7/W35) – 2.26 kW 2
Rated output 35 °C 6.55 kW ✓ 1 5.47 kW 1
Rated output 55 °C 6.1 kW ✓ 1 5.44 kW 1
Efficiency
SCOP (35 °C) 5.61 ✓ 1 4.28 1
SCOP (55 °C) 3.85 ✓ 1 3.28 1
Seasonal efficiency ηs 35 °C 221.3 % ✓ 1 168 % 1
Seasonal efficiency ηs 55 °C 150.8 % ✓ 1 128 % 1
Energy label 35 °C – A, , 2
Energy label 55 °C – A, , 2
COP A7/W35 5.1 1 5.55 ✓ 1
COP A2/W35 4.13 1 4.14 ✓ 1
COP A-7/W35 3.34 ✓ 1 2.9 1
Noise
Outdoor unit sound power 58.7 dB(A) 1 55 dB(A) ✓ 1
Indoor unit sound power 52 dB(A) ✓ 1 53 dB(A) 1
Refrigerant
Refrigerant R32 1 R290 1
Refrigerant GWP 675 3 3 ✓ 2
Refrigerant charge 1.25 kg 1 1.24 kg ✓ 1
Electrical
Max. power input 2.12 kW 1 12.2 kW 1
Connectivity & smart
SG Ready Yes 1 Yes 1
Grants & market
ISDE grant (NL) 2,125 € 3 2,150 € ✓ 3

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