Heat pumps · Compare

REMKO HTS 265 vs Tulip Wise Tulip Next 18.3

SCOP (35 °C): REMKO HTS 265 5.61, Tulip Wise Tulip Next 18.3 4.79. The REMKO HTS 265 is better on 7 of 14 comparable points.

Who wins where

  • REMKO HTS 265
  • Tulip Wise Tulip Next 18.3
PerformanceEfficiencyNoiseRefrigerantConnectivity & smartGrants & market
Performance: REMKO HTS 265 84, Tulip Wise Tulip Next 18.3 83; Efficiency: REMKO HTS 265 72, Tulip Wise Tulip Next 18.3 54; Noise: REMKO HTS 265 33, Tulip Wise Tulip Next 18.3 26; Refrigerant: REMKO HTS 265 28, Tulip Wise Tulip Next 18.3 70; Connectivity & smart: REMKO HTS 265 50, Tulip Wise Tulip Next 18.3 50; Grants & market: REMKO HTS 265 67, Tulip Wise Tulip Next 18.3 83

Biggest differences

FactHTS 265Tulip Next 18.3
Refrigerant GWP6753
Refrigerant charge3.3 kg1.4 kg
Seasonal efficiency ηs 35 °C221.4 %188.5 %
SCOP (35 °C)5.614.79
ISDE grant (NL)3,925 €4,400 €
Rated output 35 °C18.02 kW16.34 kW
All specifications ↓

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

Technical specifications REMKOHTS 265 Tulip WiseTulip Next 18.3
Grants & market
SEAI Heat Pump System Grant €14,500€14,500
General
Type (source) Air-to-water 1 Air-to-water 1
Performance
Heating capacity (A7/W35) – 18.42 kW 2
Rated output 35 °C 18.02 kW ✓ 1 16.34 kW 1
Rated output 55 °C 16.29 kW 1 16.4 kW ✓ 1
Efficiency
SCOP (35 °C) 5.61 ✓ 1 4.79 1
SCOP (55 °C) 3.84 ✓ 1 3.71 1
Seasonal efficiency ηs 35 °C 221.4 % ✓ 1 188.5 % 1
Seasonal efficiency ηs 55 °C 150.6 % ✓ 1 145.2 % 1
Energy label 35 °C – A, , , 2
Energy label 55 °C – A, , 2
COP A7/W35 5.07 ✓ 1 4.6 1
COP A2/W35 4.11 1 4.35 ✓ 1
COP A-7/W35 3.32 1 3.57 ✓ 1
Noise
Outdoor unit sound power 58.7 dB(A) ✓ 1 60 dB(A) 1
Indoor unit sound power 57.5 dB(A) 1 –
Refrigerant
Refrigerant R32 1 R290 1
Refrigerant GWP 675 3 3 ✓ 2
Refrigerant charge 3.3 kg 1 1.4 kg ✓ 1
Electrical
Max. power input 5.89 kW 1 16 kW 1
Connectivity & smart
SG Ready Yes 1 Yes 1
Grants & market
ISDE grant (NL) 3,925 € 3 4,400 € ✓ 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