Model vs model
Arno Square 4-in-1
vs Quooker Classic Fusion
The Arno Square 4-in-1 lists at £499, £496 less than the Quooker Classic Fusion at £995.
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.
The differences at a glance
- The Arno Square 4-in-1 lists at £499, £496 less than the Quooker Classic Fusion at £995.
- The Quooker Classic Fusion dispenses at 100°C; the Arno Square 4-in-1 tops out at 98°C.
- Declared idle draw is 10 W for the Quooker Classic Fusion against 11 W for the Arno Square 4-in-1, which compounds into the standby cost difference below.
- Tank capacity: 3 L on the Quooker Classic Fusion versus 2.4 L on the Arno Square 4-in-1. Bigger tanks serve more cups back to back; smaller tanks take less cupboard space.
- The Arno Square 4-in-1 dispenses filtered drinking water; the Quooker Classic Fusion does not.
- The Arno Square 4-in-1 dispenses chilled water; the Quooker Classic Fusion does not.
- The Quooker Classic Fusion ships with a 7-year warranty; the Arno Square 4-in-1 with a 3-year warranty.
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 | Arno Square 4-in-1 | Quooker Classic Fusion |
|---|---|---|
| UK RRP | £499✓ | £995 |
| Boiling temperature | 98°C | 100°C✓ |
| Tank capacity | 2.4 L | 3 L |
| Idle power | 11 W | 10 W✓ |
| Peak power | 1500 W | 1600 W |
| Flow rate | - | - |
| Filtered water | Yes✓ | No |
| Sparkling water | No | No |
| Chilled water | Yes✓ | No |
| Filter type | 2-stage filter: PP cotton + activated carbon block | Active carbon filter inside the tank |
| Finishes | 4 | 4 |
| Warranty | 3 years | 7 years✓ |
| Released | 2023 | 2020 |
Standby energy
What the idle draw adds up to over a year.
Arno Square 4-in-1
- Idle draw
- 11 W
- Standby energy / year
- 96 kWh
- Standby cost / year
- £26
Quooker Classic Fusion
- 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
Arno Square 4-in-1
What we like
- £499 RRP delivers 4-in-1 cheaper than most rivals
- 2-stage filtration removes chlorine and heavy metals
- 360° swivel spout handles pot-filling and rinsing
- Child-safe spring-loaded boiling dispense as standard
Watch out for
- 98°C ceiling not true 100°C boiling
- 2.4L tank yields only 7-8 cups before recovery
- Limited independent reviews outside Arno marketing
- Newer brand lacks long-term UK reliability track record
Quooker Classic Fusion
What we like
- Traditional bridge-style spout suits period kitchens
- Patinated brass develops natural patina without lacquer
- Same PRO3 tank as Fusion Round (genuine 100°C)
- £995 RRP is cheapest entry into the Quooker line
Watch out for
- Patinated brass needs occasional beeswax application
- 3-in-1 only (no chilled/sparkling without CUBE upgrade)
- Most UK retailers list price as POA, transparency weaker
- Tap warranty 2 years matches rest of Quooker range