See how the KEENON W3 makes autonomous deliveries in hotels and care homes.
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BUTLERBOT · Room service robot
Automate room service, amenities and internal messaging with a multi-floor robot that can integrate with lifts and operate 24/7.
The BUTLERBOT W3 is the room service robot designed specifically for multi-floor hotels. Unlike floor robots, the W3 works in the corridors, accesses lifts on its own through API integration with the hotel system, and delivers orders directly to the room door, alerting the guest with its 10-inch touchscreen and built-in speaker. Its operation is fully autonomous: it receives the order from reception or the hotel PMS, calculates the optimal route, goes up or down a floor without human intervention, waits for a configurable time and returns to its charging dock on its own. It can handle several orders in sequence during the same shift. The W3 doesn't replace the reception or housekeeping team: it frees them from repetitive trips between floors so they can focus on higher-value tasks. In a 120-room hotel, room service trips account for between 2 and 4 hours of staff work per night shift.
| Parameter | Value |
|---|---|
| Payload | 20 kg |
| Total capacity | 90 L (multi-compartment) |
| Number of cabins | 2 / 3 / 4 |
| Cabin size | 39 × 38.5 × 30 cm |
| Multi-point delivery | up to 4 rooms per trip |
| Multi-floor delivery | yes (cross-floor) |
| Maximum speed | 0.8 m/s |
| Battery life | up to 12 h |
| Charging time | 6.5 h |
| Delivery capacity | up to 120 per day |
| Screen | 11.6" HD touchscreen |
| Navigation | 270° LiDAR + dual stereo vision (3D avoidance) |
| Minimum passage width | 70 cm |
| Dimensions | 45.9 × 54.9 × 108.1 cm |
| Weight | 48 kg |
Indicative specifications subject to update by the manufacturer KEENON. Check the official datasheet for exact values.
S100 · Bellhop service
Besides the W3 for private deliveries in an enclosed compartment, a hotel can consider the S100 as bellhop support: visible transfers, escorting light loads, bulky amenities and repetitive trips between reception, storeroom, housekeeping and rooms.
Three factors lead a hotel to deploy the BUTLERBOT W3. The first is the cost of night staff: in Spain, covering an on-call concierge shift solely for room service exceeds €2,000 a month per employee (base salary + night premium + social security). The second is the guest experience: hotels that measure delivery times record average waits of 20 to 35 minutes with human staff, versus 4 to 8 minutes with the robot. The third is return on investment: in hotels with more than 80 rooms and active room service, the average payback of the BUTLERBOT W3 is between 14 and 18 months. From the second year, the robot operates at marginal cost while staff costs keep rising.
Marta Caballero — Operations Director, 4★ Hotel, MadridWe deployed the W3 eight months ago and the savings on the night shift were immediate. We no longer need an on-call concierge just for room service. The robot arrives before any employee and guests mention it in their Google reviews.
Jordi Ribas — General Manager, 3-hotel chain, Costa BravaWhat surprised us most was the lift integration. We thought it would require costly building work. In two days the robot was going up and down on its own. Since then the reception team has been completely freed from night room service.
Ana Blanco — Revenue Manager, 4★ business hotel, BarcelonaThe ROI came sooner than expected. In the first year we recovered the investment thanks to the lower night premium and improved guest ratings. We're now considering a second robot for the morning shift.
The questions we get before deploying a W3. If you can't find yours, message us on WhatsApp.
The BUTLERBOT W3 integrates with the lift control system through an API. Once the integration is configured during deployment, the robot calls the lift, gets in, selects the destination floor and exits completely autonomously. It needs no human intervention to use the lift.
The robot waits for a configurable time at the door (between 2 and 5 minutes), alerts via the screen and speaker, and if there's no response it returns to the base with the order. The system logs the failed attempt and automatically notifies reception to handle the issue.
The W3 is designed for hard surfaces (marble, stoneware, parquet, vinyl). In corridors with standard carpet up to 8 mm thick it can operate without problems. For thicker carpets or raised edges, we run a test during the prior assessment before recommending the model.
Reception enters the room number in the management system interface or the KEENON app. The robot receives the order, loads the hotel map generated during installation, calculates the route and heads to the room. The whole process takes less than 30 seconds from confirmation.
It depends on the order volume and the number of floors. In most hotels of 100 to 150 rooms with 4 to 6 floors, a single W3 covers night room service comfortably. For more than 200 rooms or very active daytime room service, we consider two units. We determine this in the free assessment.
Routine maintenance consists of exterior cleaning, checking the wheels, sensors and connectivity, plus software updates coordinated by Alpha Robotics. In a standard hotel deployment, a periodic preventive check is scheduled to keep routes, maps and the charging dock in optimal condition.
The price is on request. Available to buy or as RaaS / OpEx Flow with a monthly fee. Request a free assessment for a tailored proposal with estimated ROI.
Related resources
Commercial model and deployment
Main model RaaS - Robots as a Service (OPEX): a fixed monthly fee, no upfront investment, sized per project for operational return. Direct purchase (CAPEX) available on request.
The indicative packs by hotel size, with their calculation methodology, live on the acquisition models page.
KEENON reference deployments, including the Beachcomber resorts, live in the cases section.
Tell us about your operation and we'll propose the first robot. The assessment is free, no-obligation and delivered to you in writing.