Heat pumps · Compare

ACOND Grandis-L16 vs AUX ACHP-H16/4R2HA-M(NE)

SCOP (35 °C): ACOND Grandis-L16 5.49, AUX ACHP-H16/4R2HA-M(NE) 4.77. The ACOND Grandis-L16 is better on 9 of 14 comparable points.

Who wins where

  • ACOND Grandis-L16
  • AUX ACHP-H16/4R2HA-M(NE)
PerformanceEfficiencyNoiseRefrigerantConnectivity & smart
Performance: ACOND Grandis-L16 77, AUX ACHP-H16/4R2HA-M(NE) 81; Efficiency: ACOND Grandis-L16 89, AUX ACHP-H16/4R2HA-M(NE) 52; Noise: ACOND Grandis-L16 81, AUX ACHP-H16/4R2HA-M(NE) 26; Refrigerant: ACOND Grandis-L16 50, AUX ACHP-H16/4R2HA-M(NE) 72; Connectivity & smart: ACOND Grandis-L16 50, AUX ACHP-H16/4R2HA-M(NE) 50

Biggest differences

FactGrandis-L16ACHP-H16/4R2HA-M(NE)
Refrigerant charge2.6 kg1.35 kg
COP A7/W357.354.7
Heating capacity (A7/W35)11.41 kW15.1 kW
Outdoor unit sound power48 dB(A)60 dB(A)
COP A2/W355.314.48
Seasonal efficiency ηs 35 °C217 %188 %
All specifications ↓

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

Technical specifications ACONDGrandis-L16 AUXACHP-H16/4R2HA-M(NE)
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) 11.41 kW 2 15.1 kW ✓ 3
Rated output 35 °C 15.5 kW 1 15.5 kW 1
Rated output 55 °C 16 kW ✓ 1 14 kW 1
Efficiency
SCOP (35 °C) 5.49 ✓ 1 4.77 1
SCOP (55 °C) 4.03 ✓ 1 3.83 1
Seasonal efficiency ηs 35 °C 217 % ✓ 1 188 % 1
Seasonal efficiency ηs 55 °C 158 % ✓ 1 150 % 1
Energy label 35 °C A, , , 2 A, , , 3
Energy label 55 °C A, , , 2 A, , , 3
COP A7/W35 7.35 ✓ 1 4.7 1
COP A2/W35 5.31 ✓ 1 4.48 1
COP A-7/W35 3.34 ✓ 1 3.01 1
Noise
Outdoor unit sound power 48 dB(A) ✓ 1 60 dB(A) 1
Indoor unit sound power 36 dB(A) 1 –
Refrigerant
Refrigerant R290 1 R290 1
Refrigerant GWP 3 2 3 3
Refrigerant charge 2.6 kg 1 1.35 kg ✓ 1
Electrical
Max. power input 14 kW 1 7 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