Heat pumps · Compare

AUX ACHP-H16/5R3HA-M vs Power World PW16-DKXLRE3-H8

SCOP (35 °C): AUX ACHP-H16/5R3HA-M 4.83, Power World PW16-DKXLRE3-H8 5.09. The Power World PW16-DKXLRE3-H8 is better on 9 of 13 comparable points.

Who wins where

  • AUX ACHP-H16/5R3HA-M
  • Power World PW16-DKXLRE3-H8
PerformanceEfficiencyNoiseRefrigerantConnectivity & smart
Performance: AUX ACHP-H16/5R3HA-M 83, Power World PW16-DKXLRE3-H8 85; Efficiency: AUX ACHP-H16/5R3HA-M 39, Power World PW16-DKXLRE3-H8 62; Noise: AUX ACHP-H16/5R3HA-M 5, Power World PW16-DKXLRE3-H8 43; Refrigerant: AUX ACHP-H16/5R3HA-M 44, Power World PW16-DKXLRE3-H8 63; Connectivity & smart: AUX ACHP-H16/5R3HA-M 50, Power World PW16-DKXLRE3-H8 50

Biggest differences

FactACHP-H16/5R3HA-MPW16-DKXLRE3-H8
Refrigerant GWP6753
Outdoor unit sound power68 dB(A)56 dB(A)
Rated output 55 °C14 kW15.69 kW
Seasonal efficiency ηs 55 °C137 %152.2 %
SCOP (55 °C)3.53.88
COP A7/W354.514.99
All specifications ↓

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

Technical specifications AUXACHP-H16/5R3HA-M Power WorldPW16-DKXLRE3-H8
Grants & market
Boiler Upgrade Scheme £7,500 – £9,000£7,500 – £9,000
General
Type (source) Air-to-water 1 Air-to-water 1
Performance
Heating capacity (A7/W35) 16.1 kW 2 16.15 kW ✓ 3
Rated output 35 °C 16.1 kW ✓ 1 16.08 kW 1
Rated output 55 °C 14 kW 1 15.69 kW ✓ 1
Efficiency
SCOP (35 °C) 4.83 1 5.09 ✓ 1
SCOP (55 °C) 3.5 1 3.88 ✓ 1
Seasonal efficiency ηs 35 °C 192 % 1 200.6 % ✓ 1
Seasonal efficiency ηs 55 °C 137 % 1 152.2 % ✓ 1
Energy label 35 °C A, , , 2 A, , , 3
Energy label 55 °C A, , 2 A, , , 3
COP A7/W35 4.51 1 4.99 ✓ 1
COP A2/W35 – 4.92 1
COP A-7/W35 2.98 ✓ 1 2.74 1
Noise
Outdoor unit sound power 68 dB(A) 1 56 dB(A) ✓ 1
Indoor unit sound power – 39 dB(A) 1
Refrigerant
Refrigerant R32 1 R290 1
Refrigerant GWP 675 2 3 ✓ 3
Refrigerant charge 1.7 kg 1 1.7 kg 1
Electrical
Max. power input 15.3 kW 1 5.18 kW 1
Connectivity & smart
SG Ready Yes 1 Yes 1

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. Heat Pump Keymark certificates — EHPA / DIN CERTCO (Heat Pump KEYMARK) · accessed 29 Sept 2026