Opus Octave 90i Woodburner | 13kW Inset Stove with 50mm Frame

The Opus Octave 90i is a powerful inset woodburner designed to deliver high heat output with a clean, built-in appearance.

With a nominal output of 13 kW, it is ideal for larger rooms and open-plan spaces where strong, reliable heating is required. Supplied with a 50 mm four-sided frame, the stove sits neatly within a wall or fireplace opening, creating a crisp, finished edge around the appliance.

With an efficiency of around 81%, the Octave 90i provides impressive performance while making excellent use of fuel. The wide glass window offers a generous, uninterrupted view of the flames, creating a striking focal point without the stove projecting into the room.

The firebox is engineered for clean and efficient combustion, delivering consistent heat output with good fuel economy and reduced emissions. Pinpoint air control allows precise adjustment of the burn rate, giving flexibility between fast heat-up and longer, steady burns.

Built from high-quality materials, the Octave 90i is designed for durability and dependable everyday use. Its inset design makes it particularly well suited to modern interiors, media walls or bespoke fireplace chambers where space, heat output and clean lines are all important.

The Opus Octave 90i combines high-performance heating, a sleek inset design and a refined framed finish, making it an excellent choice for larger homes seeking both warmth and contemporary style.

Technical Data

• Height: 535 mm
• Width: 940 mm
• Depth: 440 mm
• Fuel: Wood
• Flue Diameter 200mm
• Nominal Heat Output: 13kW
• Efficiency: 81.3%
• A+ Eco Design