You can only manage what you measure. The main meter tells you how much the hotel uses; it never tells you where, when, or why. Here is what a water dashboard needs to show to become a management tool, and how to get one with no building work.
The limits of the main meter
A single figure, read monthly or quarterly: there is no way to separate the rooms from the laundry, or to understand what drives consumption up and down. And no targeted action is possible: you know you are using too much, without knowing where to act.
What a good dashboard should show
| Indicator | What it makes possible |
|---|---|
| Consumption by room and by shower | Spot the gaps between identical rooms, whether from behaviour or faulty fittings. This is the level of detail that makes action possible. |
| Comparison between periods | Track how average consumption per night evolves, at room and property level. Guests change every night, but the average per shower reveals the real effect of an action, whether light feedback or new fittings, rather than leaving it to estimation. |
| Conversion into euros and CO₂ | Speak the language of management and CSR reporting: litres, euros (water plus heating energy) and kg of CO₂ avoided, by month and by year. |
| Exports for audits | Feed Green Key, Green Globe, French energy regulation and CSRD submissions directly, with dated, auditable data. |
And in your property?
Thirty minutes to estimate your savings potential. No commitment.
Getting this measurement without building work
Fitting sub-meters to each room means heavy plumbing work. The alternative is to measure where water matters most, at the shower hose. The Molleaumètre screws on in a few minutes, with no tools and no water shut-off, and transmits its data automatically: self-powered by micro-turbine and battery-free, with only a Wi-Fi connection needed to send the data. The rollout follows the housekeeping rounds, room by room.
A dashboard that acts as it measures
What sets this measurement apart is that the Molleaumètre light ring also informs the guest during their shower. The dashboard is therefore not observing static consumption, it is recording consumption falling by 23% per shower, and by up to 61% among the heaviest users (Hénéo pilot, sensor measurement). And room-level data opens a commercial use: rewarding the most frugal guests, with a coffee at the bar or a small gesture at reception.
A water dashboard worth having in hospitality shows consumption by room, tracks change between periods, converts into euros and CO₂, and exports for audits. Measuring at the shower hose delivers exactly that with no building work, and reduces consumption at the same time as it measures it (23% less per shower in the Hénéo pilot). Source: Molleau, molleau.com.