Did you know that hotel guests use, on average, 120 litres of water per shower? That figure is four times the recommended amount.

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Shower-related water consumption also accounts for up to 35% of a hotel's total utility costs. These are numbers that most hotel properties are unaware of — and that is exactly where Savearth comes in.

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Host now integrates with Savearth: a Portuguese startup that has developed an intelligent shower device powered by artificial intelligence, designed specifically for the hospitality industry.

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What is Savearth and how does it work?

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Savearth has created a device that installs in under 1 minute, with no construction work, no plumbing changes and no operational disruption.

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Using AI-powered sound technology, the device activates automatically when it detects the shower running and displays real-time water consumption to the guest.

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The process is simple and happens in 4 steps:

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• The device detects the sound of the shower and activates automatically;
• It displays real-time litres consumed, encouraging showers below 40L;
• If the guest meets the target, they automatically receive reward points;
• Points are redeemed for promotions, discounts or experiences at the hotel.

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Real results, concrete numbers

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The results achieved in hotels that have already adopted Savearth speak for themselves:

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• Reduction in shower water consumption – up to 60%
• Reduction in energy consumption – up to 40%
• Increase in revenue per stay – up to 25%
• Reduction in CO2 emissions – up to 25%
• Average savings per room – €17/month

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What changes for hotels using Host?

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With the native integration between Host and Savearth, water consumption data is now available directly within the software.

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Managers have access to a complete dashboard with real-time KPIs, automatic environmental impact reports and anomaly alerts.

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Guest rewards are sent automatically by email, WhatsApp or SMS, with no extra work for hotel teams.

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A solution with a proven track record in Portugal

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Savearth has already completed several pilot tests and implementations in leading hotels such as Hilton Porto, Palácio do Governador, PortoBay Santa Maria, PortoBay Teatro, Stay Trindade and Vila Galé Náutico. At PortoBay Santa Maria in Funchal, savings reached 58%.

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Sustainability that delivers results

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In a context where guests increasingly value sustainable options, this partnership gives Host hotel properties an authentic and measurable ESG communication tool.

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This is not a card asking guests to reuse their towel — it is real technology, with real data, that drives real behavioural change.

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