fountainOS · Dispense
Every fountain, dispenser and coffee machine, connected
Litres and uses per unit, CO2 days left before the bottle runs out, filter life and impact screens — for operators, makers and the sites that host them.
63,000+users of one Geneva fountain since 2022
24,000plastic bottles avoided per year, one EPFL fountain
Days leftof CO2 predicted from the 45 bar threshold
What it does
Serve water, not service calls
Litres and uses
Consumption per unit, per site and per fleet, in real time.
CO2 reorder
Days of CO2 left are predicted, so bottles are swapped before they run out.
Filter life
Filters are changed on litres dispensed, not on the calendar.
Impact screens
Bottles avoided and CO2e saved, shown to users.
Fleet view
All units on one map, with status and alarms.
White-label
For makers and operators who serve their own customers.
Alarms
What fountainOS watches for
- WarningLow CO2 pressure — below 45 bar, with days of CO2 left
- CriticalEmpty bottle — below 5 bar
- InfoBottle replaced — pressure back above 48 bar
- WarningCO2 leak — abnormal pressure drop without use
- WarningConsumable end of life — 10 days before the filter or CO2 runs out
- CriticalNo signal — no data for 25 hours
Thresholds are set per customer; values shown are defaults.
Proof
Measured on real sites
fountainOS runs on droopleOS, the Water Intelligence Platform — same sensors, alarm engine, dashboards and API as every Droople app.





