Model vs model
Qettle Signature Modern 4-in-1 (4L)
vs Quooker Classic Fusion Square
The Qettle Signature Modern 4-in-1 (4L) lists at £870, £580 less than the Quooker Classic Fusion Square at £1,450.
Every number below comes from the manufacturers' own specification sheets. We highlight which tap leads on each spec; what matters most for your kitchen is your call.
Qettle
Qettle Signature Modern 4-in-1 (4L)
Square-spout 100°C boiling tap in marine-grade stainless steel
Typical price: £870
Full review →
Quooker
Quooker Classic Fusion Square
Traditional styling with a squared spout
Typical price: £1,450
Full review →The differences at a glance
- The Qettle Signature Modern 4-in-1 (4L) lists at £870, £580 less than the Quooker Classic Fusion Square at £1,450.
- Declared idle draw is 10 W for the Quooker Classic Fusion Square against 14 W for the Qettle Signature Modern 4-in-1 (4L), which compounds into the standby cost difference below.
- Tank capacity: 4 L on the Qettle Signature Modern 4-in-1 (4L) versus 3 L on the Quooker Classic Fusion Square. Bigger tanks serve more cups back to back; smaller tanks take less cupboard space.
- The Qettle Signature Modern 4-in-1 (4L) dispenses filtered drinking water; the Quooker Classic Fusion Square does not.
Full specification, side by side
Sourced from manufacturer datasheets. A tick marks the better number on specs where more or less is objectively better.
| Spec | Qettle Signature Modern 4-in-1 (4L) | Quooker Classic Fusion Square |
|---|---|---|
| Typical price | £870✓ | £1,450 |
| Boiling temperature | 100°C | 100°C |
| Tank capacity | 4 L | 3 L |
| Idle power | 14 W | 10 W✓ |
| Peak power | 1500 W | 1600 W |
| Flow rate | - | - |
| Filtered water | Yes✓ | No |
| Sparkling water | No | No |
| Chilled water | No | No |
| Filter type | Q08 extruded carbon block cartridge | - |
| Finishes | 5✓ | 3 |
| Warranty | 2 years | 2 years |
| Released | 2021 | - |
Standby energy
What the idle draw adds up to over a year.
Qettle Signature Modern 4-in-1 (4L)
- Idle draw
- 14 W
- Standby energy / year
- 123 kWh
- Standby cost / year
- £33
Quooker Classic Fusion Square
- Idle draw
- 10 W
- Standby energy / year
- 88 kWh
- Standby cost / year
- £24
Assumes the manufacturer's declared idle wattage around the clock at £0.27/kWh (UK average, mid-2026). Real usage adds the energy to heat the water you actually draw. Run your own numbers in the running cost calculator.
Strengths and trade-offs
Qettle Signature Modern 4-in-1 (4L)
What we like
- 4-litre tank serves up to 8 cups in one go
- Marine-grade stainless steel tap, engineered in the UK
- Two-stage child safety: button and turn before boiling water flows
- Choice of round or square spout in stainless, PVD colour or etched finishes
Watch out for
- 17.5-minute initial heat-up and 10-minute recovery after a full tank
- Standard kit does not include a pressure reducing valve
- Two-year warranty
Quooker Classic Fusion Square
What we like
- Period styling in a squared spout for Shaker and classic kitchens
- Patinated brass develops a genuine patina rather than a printed lacquer
- Same PRO3 tank and 100°C boil as the rest of the Fusion range
Watch out for
- 3-in-1 only: no filtered or chilled water without the CUBE upgrade
- Patinated brass needs an occasional beeswax wipe
- Fewer finishes than the standard Fusion (no gold, gunmetal or black)