Model vs model
Quooker Fusion Round
vs Quooker Fusion Square
Quooker Fusion Round and Quooker Fusion Square compared on manufacturer specifications.
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.
Quooker
Quooker Fusion Round
The iconic all-in-one in modern round form
Typical price: £1,250
Full review →
Quooker
Quooker Fusion Square
The best-selling all-in-one in a squared-off spout
Typical price: £1,250
Full review →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 | Quooker Fusion Round | Quooker Fusion Square |
|---|---|---|
| Typical price | £1,250 | £1,250 |
| Boiling temperature | 100°C | 100°C |
| Tank capacity | 3 L | 3 L |
| Idle power | 10 W | 10 W |
| Peak power | 1600 W | 1600 W |
| Flow rate | - | - |
| Filtered water | No | No |
| Sparkling water | No | No |
| Chilled water | No | No |
| Filter type | Active carbon filter inside the tank | - |
| Finishes | 7 | 7 |
| Warranty | 2 years | 2 years |
| Released | 2022 | - |
Standby energy
What the idle draw adds up to over a year.
Quooker Fusion Round
- Idle draw
- 10 W
- Standby energy / year
- 88 kWh
- Standby cost / year
- £24
Quooker 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
Quooker Fusion Round
What we like
- True 100°C delivery reported in T3's review
- Vacuum-insulated tank consumes ~10W idle (~£24/year)
- 7+ premium finishes including patinated brass and rose copper
- Quooker UK holds high Trustpilot rating across 12,000+ reviews
Watch out for
- £1,250 RRP roughly twice the Qettle equivalent
- 2-year warranty on tap and tank (SWAP is a paid out-of-warranty tank replacement)
- Filter/sparkling requires separate CUBE module (extra spend)
- Trustpilot reports £455+ repair cost for out-of-warranty units
Quooker Fusion Square
What we like
- True 100°C boil from the same PRO3 tank as the Fusion Round
- Squared profile suits handleless and contemporary kitchens
- Seven finishes including patinated brass, gold and rose copper
- Quooker UK holds a high Trustpilot rating across 12,000+ reviews
Watch out for
- £1,250 buys boiling plus standard hot and cold only
- Filtered, chilled or sparkling water needs the separate CUBE module
- 2-year warranty on tap and tank (SWAP is a paid out-of-warranty tank swap)