Heat pumps · Compare

OUTES AHb10VR9XP vs REMKO WKM 135 Pro

SCOP (35 °C): OUTES AHb10VR9XP 4.98, REMKO WKM 135 Pro 5.26. The REMKO WKM 135 Pro is better on 9 of 14 comparable points.

Who wins where

  • OUTES AHb10VR9XP
  • REMKO WKM 135 Pro
PerformanceEfficiencyNoiseRefrigerantConnectivity & smartGrants & market
Performance: OUTES AHb10VR9XP 50, REMKO WKM 135 Pro 47; Efficiency: OUTES AHb10VR9XP 62, REMKO WKM 135 Pro 72; Noise: OUTES AHb10VR9XP 26, REMKO WKM 135 Pro 48; Refrigerant: OUTES AHb10VR9XP 74, REMKO WKM 135 Pro 84; Connectivity & smart: OUTES AHb10VR9XP 50, REMKO WKM 135 Pro 50; Grants & market: OUTES AHb10VR9XP 42, REMKO WKM 135 Pro 48

Biggest differences

FactAHb10VR9XPWKM 135 Pro
Refrigerant charge1.25 kg0.9 kg
COP A2/W354.893.75
COP A-7/W352.943.45
Rated output 55 °C10.3 kW9.38 kW
Outdoor unit sound power60 dB(A)55 dB(A)
ISDE grant (NL)3,250 €3,475 €
All specifications ↓

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

Technical specifications OUTESAHb10VR9XP REMKOWKM 135 Pro
Grants & market
SEAI Heat Pump System Grant €14,500€14,500
General
Type (source) Air-to-water 1 Air-to-water 1
Performance
Rated output 35 °C 10.15 kW ✓ 1 10.05 kW 1
Rated output 55 °C 10.3 kW ✓ 1 9.38 kW 1
Efficiency
SCOP (35 °C) 4.98 1 5.26 ✓ 1
SCOP (55 °C) 3.78 1 4.03 ✓ 1
Seasonal efficiency ηs 35 °C 196 % 1 206 % ✓ 1
Seasonal efficiency ηs 55 °C 148 % 1 158 % ✓ 1
COP A7/W35 4.95 1 5.04 ✓ 1
COP A2/W35 4.89 ✓ 1 3.75 1
COP A-7/W35 2.94 1 3.45 ✓ 1
Noise
Outdoor unit sound power 60 dB(A) 1 55 dB(A) ✓ 1
Refrigerant
Refrigerant R290 1 R290 1
Refrigerant GWP 3 2 3 2
Refrigerant charge 1.25 kg 1 0.9 kg ✓ 1
Electrical
Max. power input 4.3 kW 1 3.5 kW 1
Connectivity & smart
SG Ready Yes 1 Yes 1
Grants & market
ISDE grant (NL) 3,250 € 2 3,475 € ✓ 2

Sources

  1. List of eligible heat pumps (BEG) — Bundesamt für Wirtschaft und Ausfuhrkontrolle (BAFA) · accessed 27 Sept 2026
  2. ISDE heat pump notification code list — Rijksdienst voor Ondernemend Nederland (RVO) · accessed 28 Sept 2026