The RAIS Nexo 120 Bio Bioethanol Fireplace combines a clean architectural design with the flexibility and convenience of automated bioethanol operation. Defined by its strict cubic form, sharp lines and balanced proportions, it creates a more structured and contemporary focal point than the softer cylindrical Viva L range.
The Nexo 120 Bio requires no chimney or permanent fixed installation, giving greater freedom when positioning the appliance within a suitable room. It can be repositioned when required, although a grounded 230V electrical connection is needed to power the automated burner, ignition controls and integrated monitoring system.
The electronically controlled burner provides an adjustable heat output between 1.6kW and 3.4kW, together with a 2.5kW ECO mode. This allows the flame and heat level to be adjusted depending on whether the fireplace is being used mainly for ambience or to provide more noticeable warmth.
A generous 7.8-litre fuel tank offers an estimated burn time of up to 31 hours, depending on the selected output level. This extended operating time helps reduce the need for frequent refilling and makes the fireplace practical for both regular use and occasional entertaining.
Controlled operation is supported by an integrated monitoring system that manages ignition, running and refuelling. If the system detects an irregularity, the fireplace shuts down automatically and requires a reset before restarting. This provides a more controlled operating experience than a basic manually filled bioethanol burner.
The flame presentation can be personalised using a choice of decorative elements within the combustion chamber. Ceramic logs create a more traditional, firewood-inspired appearance, while decorative glass or stones provide a cleaner and more minimalist finish. Each option is designed to integrate naturally with the fireplace and complement its precise architectural styling.
Further customisation is available through a choice of six colours, premium handle options and either a steel or glass door. This allows the Nexo 120 Bio to be tailored to a wide range of interiors, from warmer contemporary schemes to highly minimalist architectural spaces.
With its sharp cubic design, automated operation and flueless flexibility, the RAIS Nexo 120 Bio is an excellent choice for customers wanting a real-flame fireplace with a more structured and design-led appearance.
Key Features
- Freestanding bioethanol fireplace
- Strict cubic design
- Sharp architectural lines
- No chimney required
- No permanent fixed installation required
- Can be repositioned when necessary
- Automated electronic burner
- Integrated ignition and safety monitoring
- Automatic shutdown if irregularities are detected
- Adjustable heat output
- Maximum output of 3.4kW
- Minimum output of 1.6kW
- 2.5kW ECO operating mode
- Up to 31 hours estimated burn time
- 7.8-litre fuel tank
- Suitable for rooms from 34m²
- Choice of six colours
- Choice of premium handles
- Steel or glass door options
- Decorative logs, glass or stone options
- Requires a grounded 230V electrical supply
Expert Insight
The Nexo 120 Bio is best suited to interiors where clean lines and architectural form are more important than a softer cylindrical appearance. It offers the same automated burner performance and flueless flexibility as the Viva L Bio models, but with a more angular and structured design.
Suitability
The RAIS Nexo 120 Bio Bioethanol Fireplace is well suited to contemporary living rooms, open-plan interiors, apartments, and design-led spaces requiring a real flame without installing a chimney or permanent flue system. The manufacturer specifies a minimum approved room size of 34m².
Installation / Technical Notes
The RAIS Nexo 120 Bio is a freestanding bioethanol fireplace requiring no chimney or permanent fixed installation. A 230V grounded electrical supply is required for ignition, controls and integrated system monitoring.
The supplied dimensions are 446mm x 398mm x 1235mm. The source lists these under “H-W-D”, although the order appears inconsistent with the model name and proportions. The latest RAIS technical drawing should therefore be checked before publishing or planning the final installation.
Technical performance:
- Minimum heat output: 1.6kW
- ECO heat output: 2.5kW
- Maximum heat output: 3.4kW
- Fuel tank capacity: 7.8 litres
- Estimated burn time: up to 31 hours
- Minimum approved room size: 34m²
- Recommended fuel: bioethanol with 96.5–97.5% purity
Only the manufacturer-recommended bioethanol should be used. Ventilation, refuelling, positioning and clearance requirements must follow the current RAIS installation and operating instructions.
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