Heat pumps · Compare

FoxESS HP1-12-E vs Thermia iTec XTR L 400V

SCOP (35 °C): FoxESS HP1-12-E 4.56, Thermia iTec XTR L 400V 4.9. The Thermia iTec XTR L 400V is better on 8 of 14 comparable points.

Who wins where

  • FoxESS HP1-12-E
  • Thermia iTec XTR L 400V
PerformanceEfficiencyNoiseRefrigerantConnectivity & smartGrants & market
Performance: FoxESS HP1-12-E 65, Thermia iTec XTR L 400V 63; Efficiency: FoxESS HP1-12-E 26, Thermia iTec XTR L 400V 51; Noise: FoxESS HP1-12-E 64, Thermia iTec XTR L 400V 26; Refrigerant: FoxESS HP1-12-E 68, Thermia iTec XTR L 400V 74; Connectivity & smart: FoxESS HP1-12-E 50, Thermia iTec XTR L 400V 50; Grants & market: FoxESS HP1-12-E 55, Thermia iTec XTR L 400V 55

Biggest differences

FactHP1-12-EiTec XTR L 400V
Refrigerant charge1.5 kg1.25 kg
Outdoor unit sound power52 dB(A)60 dB(A)
COP A-7/W352.723
COP A7/W354.44.8
Seasonal efficiency ηs 35 °C179 %193 %
SCOP (35 °C)4.564.9
All specifications ↓

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

Technical specifications FoxESSHP1-12-E ThermiaiTec XTR L 400V
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) 11.43 kW 2 12 kW ✓ 3
Rated output 35 °C 12.05 kW ✓ 1 12 kW 1
Rated output 55 °C 12.17 kW ✓ 1 12 kW 1
Efficiency
SCOP (35 °C) 4.56 1 4.9 ✓ 1
SCOP (55 °C) 3.58 1 3.65 ✓ 1
Seasonal efficiency ηs 35 °C 179 % 1 193 % ✓ 1
Seasonal efficiency ηs 55 °C 140 % 1 143 % ✓ 1
Energy label 35 °C A, , , 2 A, , , 3
Energy label 55 °C A, , 2 A, , 3
COP A7/W35 4.4 1 4.8 ✓ 1
COP A2/W35 – 4.3 1
COP A-7/W35 2.72 1 3 ✓ 1
Noise
Outdoor unit sound power 52 dB(A) ✓ 1 60 dB(A) 1
Refrigerant
Refrigerant R290 1 R290 1
Refrigerant GWP 3 2 3 3
Refrigerant charge 1.5 kg 1 1.25 kg ✓ 1
Electrical
Max. power input 6.6 kW 1 7.54 kW 1
Connectivity & smart
SG Ready Yes 1 Yes 1
Grants & market
ISDE grant (NL) 3,700 € 4 3,700 € 4

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
  4. ISDE heat pump notification code list — Rijksdienst voor Ondernemend Nederland (RVO) · accessed 28 Sept 2026