Heat pumps · Compare

TCL THM4DF3dB vs Waterkotte EcoTouch Air Bloc 7006 (230V)

SCOP (35 °C): TCL THM4DF3dB 5.8, Waterkotte EcoTouch Air Bloc 7006 (230V) 5. The TCL THM4DF3dB is better on 8 of 15 comparable points.

Who wins where

  • TCL THM4DF3dB
  • Waterkotte EcoTouch Air Bloc 7006 (230V)
PerformanceEfficiencyNoiseRefrigerantConnectivity & smart
Performance: TCL THM4DF3dB 26, Waterkotte EcoTouch Air Bloc 7006 (230V) 27; Efficiency: TCL THM4DF3dB 92, Waterkotte EcoTouch Air Bloc 7006 (230V) 60; Noise: TCL THM4DF3dB 67, Waterkotte EcoTouch Air Bloc 7006 (230V) 85; Refrigerant: TCL THM4DF3dB 85, Waterkotte EcoTouch Air Bloc 7006 (230V) 85; Connectivity & smart: TCL THM4DF3dB 50, Waterkotte EcoTouch Air Bloc 7006 (230V) 50

Biggest differences

FactTHM4DF3dBEcoTouch Air Bloc 7006 (230V)
COP A2/W355.433.87
SCOP (35 °C)5.85
Seasonal efficiency ηs 35 °C229.1 %198.3 %
Seasonal efficiency ηs 55 °C171.6 %150.8 %
SCOP (55 °C)4.373.85
COP A7/W355.54.87
All specifications ↓

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

Technical specifications TCLTHM4DF3dB WaterkotteEcoTouch Air Bloc 7006 (230V)
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) 4.5 kW 2 5.02 kW ✓ 3
Rated output 35 °C 5.2 kW 1 5.3 kW ✓ 1
Rated output 55 °C 5.06 kW ✓ 1 5 kW 1
Min. outdoor temperature -22 °C 2 -22 °C 3
Efficiency
SCOP (35 °C) 5.8 ✓ 1 5 1
SCOP (55 °C) 4.37 ✓ 1 3.85 1
Seasonal efficiency ηs 35 °C 229.1 % ✓ 1 198.3 % 1
Seasonal efficiency ηs 55 °C 171.6 % ✓ 1 150.8 % 1
Energy label 35 °C A, , , 2 A, , , 3
Energy label 55 °C A, , , 2 A, , , 3
COP A7/W35 5.5 ✓ 2 4.87 1
COP A2/W35 5.43 ✓ 1 3.87 1
COP A-7/W35 3.63 ✓ 1 3.26 1
Noise
Outdoor unit sound power 51 dB(A) 1 46 dB(A) ✓ 1
Indoor unit sound power – 35 dB(A) 1
Refrigerant
Refrigerant R290 1 R290 1
Refrigerant GWP 3 2 3 3
Refrigerant charge 0.8 kg 1 0.8 kg 1
Electrical
Max. power input 2.2 kW 1 3.3 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