Heat pumps · Compare

M-TEC AHPA618 vs Tulip Wise Tulip Next 18.3

SCOP (35 °C): M-TEC AHPA618 5.15, Tulip Wise Tulip Next 18.3 4.79. The M-TEC AHPA618 is better on 7 of 14 comparable points.

Who wins where

  • M-TEC AHPA618
  • Tulip Wise Tulip Next 18.3
PerformanceEfficiencyNoiseRefrigerantConnectivity & smartGrants & market
Performance: M-TEC AHPA618 82, Tulip Wise Tulip Next 18.3 83; Efficiency: M-TEC AHPA618 78, Tulip Wise Tulip Next 18.3 54; Noise: M-TEC AHPA618 56, Tulip Wise Tulip Next 18.3 26; Refrigerant: M-TEC AHPA618 47, Tulip Wise Tulip Next 18.3 70; Connectivity & smart: M-TEC AHPA618 50, Tulip Wise Tulip Next 18.3 50; Grants & market: M-TEC AHPA618 81, Tulip Wise Tulip Next 18.3 83

Biggest differences

FactAHPA618Tulip Next 18.3
Refrigerant charge3.1 kg1.4 kg
COP A2/W355.064.35
COP A-7/W353.183.57
Outdoor unit sound power53.7 dB(A)60 dB(A)
COP A7/W355.124.6
Seasonal efficiency ηs 35 °C203 %188.5 %
All specifications ↓

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

Technical specifications M-TECAHPA618 Tulip WiseTulip Next 18.3
General
Type (source) Air-to-water 1 Air-to-water 1
Performance
Heating capacity (A7/W35) – 18.42 kW 2
Rated output 35 °C 16 kW 1 16.34 kW ✓ 1
Rated output 55 °C 15.4 kW 1 16.4 kW ✓ 1
Efficiency
SCOP (35 °C) 5.15 ✓ 1 4.79 1
SCOP (55 °C) 3.93 ✓ 1 3.71 1
Seasonal efficiency ηs 35 °C 203 % ✓ 1 188.5 % 1
Seasonal efficiency ηs 55 °C 154 % ✓ 1 145.2 % 1
Energy label 35 °C – A, , , 2
Energy label 55 °C – A, , 2
COP A7/W35 5.12 ✓ 1 4.6 1
COP A2/W35 5.06 ✓ 1 4.35 1
COP A-7/W35 3.18 1 3.57 ✓ 1
Noise
Outdoor unit sound power 53.7 dB(A) ✓ 1 60 dB(A) 1
Refrigerant
Refrigerant R290 1 R290 1
Refrigerant GWP 3 3 3 2
Refrigerant charge 3.1 kg 1 1.4 kg ✓ 1
Electrical
Max. power input 6.9 kW 1 16 kW 1
Connectivity & smart
SG Ready Yes 1 Yes 1
Grants & market
ISDE grant (NL) 4,375 € 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