Model vs model
Franke Minerva
vs Franke Omni
The Franke Minerva lists at £899, £300 less than the Franke Omni at £1,199.
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 Franke Minerva lists at £899, £300 less than the Franke Omni at £1,199.
- Tank capacity: 4.7 L on the Franke Minerva versus 4.2 L on the Franke Omni. Bigger tanks serve more cups back to back; smaller tanks take less cupboard space.
- The Franke Omni dispenses filtered drinking water; the Franke Minerva 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 | Franke Minerva | Franke Omni |
|---|---|---|
| UK RRP | £899✓ | £1,199 |
| Boiling temperature | 100°C | 100°C |
| Tank capacity | 4.7 L | 4.2 L |
| Idle power | 12 W | 12 W |
| Peak power | 1500 W | 1500 W |
| Flow rate | - | - |
| Filtered water | No | Yes✓ |
| Sparkling water | No | No |
| Chilled water | No | No |
| Filter type | - | Franke 08 filter cartridge |
| Finishes | 2 | 4✓ |
| Warranty | 3 years | 3 years |
| Released | 2018 | 2023 |
Standby energy
What the idle draw adds up to over a year.
Franke Minerva
- Idle draw
- 12 W
- Standby energy / year
- 105 kWh
- Standby cost / year
- £28
Franke Omni
- Idle draw
- 12 W
- Standby energy / year
- 105 kWh
- Standby cost / year
- £28
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
Franke Minerva
What we like
- £899 RRP undercuts most 100°C branded competitors
- 4.7L tank capacity highest in the sub-£900 segment
- Genuine 100°C dispense matches premium models
- M-Box install system fits in under 30 minutes for a plumber
Watch out for
- Review Centre reports flow degradation within first year
- No built-in filter (scale build-up in hard-water areas)
- Customer support email-only, no engineer home visits
- Trustpilot mentions boiler failures near warranty expiry
Franke Omni
What we like
- True 100°C confirmed in Trusted Reviews testing
- Built-in filter delivers chilled filtered water without add-on
- Spout body stays cool even during prolonged dispensing
- 4.2L tank larger than most rivals under £1,200
Watch out for
- Filter cartridges cost roughly £80 every 6-9 months
- Owners report flow slowdown after 2 years in hard-water areas
- Heating tank replacement reported at around £400 out of warranty
- Low mains pressure (under 1.5 bar) causes noticeable dribble