The MI-Fire Tinderbox Medium 5kW Ecodesign Multi Fuel Stove is a British-designed multifuel stove built to deliver strong efficiency, practical heating performance and flexible fuel choice in one of the most popular stove output sizes. With its 5kW output, 82.5% efficiency, A+ energy rating, Ecodesign 2022 compliance and Smoke Control Area Exempt status, it is a strong option for customers wanting a modern multifuel stove with straightforward installation and everyday versatility.
Positioned in the middle of the Tinderbox range, this model offers a useful balance between compact size and meaningful heat output. The 5kW format makes it especially appealing for a wide range of standard living spaces, giving enough heat for many domestic rooms without moving into a larger stove category than is often necessary. For customers who want a stove that feels adaptable, efficient and easy to place, the medium size is often an ideal fit.
As a multifuel stove, the Tinderbox Medium offers the flexibility to burn more than one approved fuel type, which can be particularly useful depending on fuel preference, availability or day-to-day convenience. Its 82.5% efficiency and A+ energy rating also help position it as a high-performing option in its category, offering strong modern stove performance in a practical steel-and-cast-iron design.
The construction combines a steel body with a cast iron door, giving the appliance a blend of durability, responsive heating performance and more traditional visual character. The steel body helps keep the unit practical and robust, while the cast iron door adds a classic stove feel to the front of the appliance. This makes it suitable for both more traditional fireplace settings and cleaner, contemporary interiors where performance matters just as much as looks.
From an installation point of view, the stove offers both top and rear flue outlet positions and is suitable for a 12mm hearth, which can be an important practical benefit in the right setting. Clearance information is clearly defined, helping with planning and installation layout, while the stove’s Smoke Control Area Exempt status adds further flexibility for many homes.
Key Features
- 5kW multifuel stove
- 82.5% efficiency
- A+ energy rating
- Ecodesign 2022 compliant
- Smoke Control Area Exempt
- Steel body construction
- Cast iron door
- Top or rear flue outlet
- Suitable for 12mm hearth
- Medium-sized stove format
- Flexible multi-fuel operation
- British-designed performance focus
Expert Insight
A medium 5kW multifuel stove is often the most versatile size for general domestic use, because it gives useful fuel flexibility and strong output without becoming oversized for standard rooms. In this case, the combination of A+ efficiency and 12mm hearth suitability makes it especially practical for a wide variety of installations.
Suitability
The MI-Fire Tinderbox Medium 5kW Ecodesign Multi Fuel Stove is well suited to living rooms, snugs, cottages, and homes wanting a high-efficiency multifuel stove with flexible fuel use and practical installation options.
Installation / Technical Notes
The MI-Fire Tinderbox Medium Multifuel Stove offers a 5kW output, 82.5% efficiency, and an A+ energy rating. It is Ecodesign 2022 compliant, Smoke Control Area Exempt, and constructed from a steel body with a cast iron door. It weighs 71kg. The top spigot outlet sits 130mm from the rear of the stove, while the rear spigot outlet is 480mm from the floor. Distance to combustibles is Side: 600mm, Back: 450mm, and distance to non-combustibles is Side: 75mm, Back: 50mm. Hearth projection is Front: 400mm, Side: 150mm, and distance to furniture is Front: 1075mm. This stove is suitable for a 12mm hearth.





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