Onyx Avanti 65 Gas Fires
Onyx Avanti gas fires combine sleek exteriors with stunningly realistic flames and log effects, for a premium landscape hole-in-the-wall centrepiece. Also available as an electric version.
Choose Avanti, Choose More.
Onyx Avanti gas fires are designed with elegance in mind. With their sleek exteriors, these luxurious inset gas fires blend immaculately into all manner of contemporary interior styles.
Offering striking presence and enticing ambience, their picturesque fireboxes create a breath-taking centrepiece in the heart of your home.
Avanti gas fire features
- Heat output: Up to 4.5kW (Avanti 65) and 5.4kW (Avanti 85)
- High Efficiency: 78.4% (Avanti 65) and 77.9% (Avanti 85)
- Energy Efficiency Class: D
- EchoFlame™ Black Glass Lining
- Top and Rear Flue Exit
- Hand-painted Split Oak Log-effect
- Fully Sequential Thermostatic Remote Control
- Choice of Edge+ and Expression Frame Options
- Natural Gas and LPG Models
EchoFlame™ Black Glass Lining
Onyx Avanti Gas fires all exhibit our alluring EchoFlame Black Glass Lining, which offers a reflective backdrop for mesmerising layered flame visuals. Combining the mystique of this feature with an ultra-realistic, hand-painted oak log-effect, these premium fires drive at picture-perfect quality
Choice of sizing and frame options
These outstanding conventional flue gas fires are available as natural gas and LPG models and come in two sizes. What’s more, both the Avanti 65 and the larger 85 come with the added option of a framed installation. Make a truly exceptional statement with the bold Expression frame or opt for effortless sophistication with the minimalist Edge+.
| Frame: | Dimensions: |
|---|---|
| Avanti 65 Edge+ | 787mm wide x 419mm height |
| Avanti 65 Expression | 984.6mm wide x 616mm height |
| Avanti 85 Edge+ | 987mm wide x 419mm height |
| Avanti 85 Expression | 1184.6mm wide x 616mm height |
Complete control
All Onyx Avanti Gas Fires feature a compact, fully integrated control system, putting ignition, flame adjustment, heat output and extinguishing right into the palm of your hand. The included remote handset also offers thermostatic control, so your Avanti can keep the room at the temperature you desire.
Designed and engineered in Britain.
As part of the Stovax Heating Group, all Onyx stoves and fires are born in our state-of–the-art research and development laboratories. Every Onyx Avanti incorporates industry leading technology and design, and these premium gas fires are the culmination of over 40 years of experience designing and crafting best-in-class heating products. By choosing the Onyx Avanti, you can be sure you’re getting a premium quality gas fire that’s backed up by a network of retailers across the UK.
The content of this website is intended for initial assistance only – for full details please contact the showroom or refer to the manufacturers website for each product – there you will find full technical details, the product fiche etc which gives all efficiencies, installation instructions, dimensions and so on. We are more than happy to provide these but do not have the facility on this website. If you let us know which fires you are interested in, we can provide full details by email. If you have any questions at all please let us know. Happy Browsing! In the showroom or by email we are quite happy to provide full technical advice about installation and suitability
Last updated 9 May 2025
