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CHOFU AEYC-0449ZU-CH1 vs REMKO WKM 85 Pro

SCOP (35 °C): CHOFU AEYC-0449ZU-CH1 4.48, REMKO WKM 85 Pro 5.35. The REMKO WKM 85 Pro is better on 9 of 14 comparable points.

Who wins where

  • CHOFU AEYC-0449ZU-CH1
  • REMKO WKM 85 Pro
PerformanceEfficiencyNoiseRefrigerantConnectivity & smartGrants & market
Performance: CHOFU AEYC-0449ZU-CH1 7, REMKO WKM 85 Pro 6; Efficiency: CHOFU AEYC-0449ZU-CH1 15, REMKO WKM 85 Pro 82; Noise: CHOFU AEYC-0449ZU-CH1 54, REMKO WKM 85 Pro 64; Refrigerant: CHOFU AEYC-0449ZU-CH1 87, REMKO WKM 85 Pro 87; Connectivity & smart: CHOFU AEYC-0449ZU-CH1 50, REMKO WKM 85 Pro 50; Grants & market: CHOFU AEYC-0449ZU-CH1 8, REMKO WKM 85 Pro 1

Biggest differences

FactAEYC-0449ZU-CH1WKM 85 Pro
COP A-7/W352.63.52
Seasonal efficiency ηs 55 °C129.4 %165 %
SCOP (55 °C)3.314.2
Refrigerant charge0.5 kg0.6 kg
Rated output 55 °C5 kW4.18 kW
SCOP (35 °C)4.485.35
All specifications ↓

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

Technical specifications CHOFUAEYC-0449ZU-CH1 REMKOWKM 85 Pro
General
Type (source) Air-to-water 1 Air-to-water 1
Performance
Heating capacity (A7/W35) 4 kW 2 –
Rated output 35 °C 5 kW 1 5.17 kW ✓ 1
Rated output 55 °C 5 kW ✓ 1 4.18 kW 1
Efficiency
SCOP (35 °C) 4.48 1 5.35 ✓ 1
SCOP (55 °C) 3.31 1 4.2 ✓ 1
Seasonal efficiency ηs 35 °C 176.2 % 1 208 % ✓ 1
Seasonal efficiency ηs 55 °C 129.4 % 1 165 % ✓ 1
Energy label 35 °C A, , , 2 –
Energy label 55 °C A, , 2 –
COP A7/W35 4.69 1 5.09 ✓ 1
COP A2/W35 3.81 1 4.49 ✓ 1
COP A-7/W35 2.6 1 3.52 ✓ 1
Noise
Outdoor unit sound power 54 dB(A) 1 52 dB(A) ✓ 1
Refrigerant
Refrigerant R290 1 R290 1
Refrigerant GWP 3 2 3 3
Refrigerant charge 0.5 kg ✓ 1 0.6 kg 1
Electrical
Max. power input 2.76 kW 1 1.9 kW 1
Connectivity & smart
SG Ready Yes 1 Yes 1
Grants & market
ISDE grant (NL) 2,350 € ✓ 3 2,125 € 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