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Fires Beyond Imagination.

With 40 years of British design and engineering expertise, Onyx represents the pinnacle of stove and fire innovation. As a premier brand within the Stovax Heating Group, Onyx combines luxury with cutting-edge technology to deliver exceptional wood burning, gas, and electric stoves and fires.

Each Onyx product is meticulously crafted in their advanced research and development laboratories, where industry-leading technology meets sophisticated design. Their commitment to excellence ensures that every Onyx stove and fire not only enhances your home’s aesthetic but also provides unparalleled performance and efficiency. When you choose Onyx, you’re choosing the best in luxury and innovation, setting a new standard for quality in the world of heating solutions.

The Onyx Range

Realistic

Stunning

Premium

Customisable

Versatile design and captivating ambience.

The Onyx Avanti Electric Fire 150RW transforms your living space with its versatile design and captivating ambience. Available in three sizes and configurable as a single-sided, corner, or three-sided installation, this electric fire seamlessly integrates with your décor. Featuring the advanced Chromalight® Plus Designer LED System, it offers multiple flame options with adjustable speed, a range of lighting effects, and realistic Split Oak or optional Split Silver Birch glowing fuel-effects.

With up to 2kW thermostatic heating, the Avanti 150RW allows you to enjoy the flames with or without heat. Its remote control can be operated via an app or handset, and it includes an optional Mood Lighting System for added ambiance. The fire also boasts Ecodesign Energy Saving Features and a luxury log set upgrade for a truly immersive experience. Suitable for TVs ranging from 50” to 65”, the Avanti 150RW delivers both style and functionality, making it a stunning focal point in any room.