The MI-Fire Tinderbox Medium 5kW Ecodesign Wood Burning Stove is a British-designed wood burner built to deliver exceptional efficiency, low emissions and practical everyday heating in one of the most versatile stove sizes available. With its 5kW output, 85.1% efficiency, A+ energy rating, Ecodesign 2022 compliance and Smoke Control Area Exempt status, it is a standout option for customers wanting a high-performing wood stove that balances compact proportions with serious clean-burning credentials.
The Medium Tinderbox Wood Stove sits in a particularly appealing part of the market, offering a heat output that suits a wide variety of domestic spaces without pushing the appliance into a larger category than many rooms require. This makes it especially attractive for living rooms, snug spaces and fireplaces where the stove needs to feel capable and substantial, but still easy to accommodate within the room.
Built from a steel body with a cast iron door, the stove combines efficient modern construction with the classic visual reassurance of traditional stove materials. The steel body supports strong heat performance and durability, while the cast iron door adds character and weight to the overall design. This makes the stove versatile enough for both contemporary interiors and more traditional homes that still want the timeless appeal of a real wood burner.
Performance is the major talking point. With 85.1% efficiency, A+ energy rating and very low 13% dust emissions, the Medium Tinderbox is presented as one of the most efficient stoves of its size in the UK, alongside some of the lowest particulate emissions available in its class. For customers focused on combining wood-burning ambience with stronger environmental performance, this makes the model particularly compelling.
Installation is also straightforward to plan, with both top and rear flue outlet positions available. The stove is suitable for a 12mm hearth, which can be a useful practical benefit in the right installation, and its stated clearances to combustibles, non-combustibles, hearth projection and furniture spacing help make specification easier.
Key Features
- 5kW wood burning stove
- 85.1% efficiency
- A+ energy rating
- Ecodesign 2022 compliant
- Smoke Control Area Exempt
- Low 13% dust emissions
- Designed in the UK
- Steel body construction
- Cast iron door
- Top or rear flue outlet
- Suitable for 12mm hearth
- High-efficiency medium stove design
Expert Insight
A medium 5kW wood stove with this level of efficiency is particularly useful because it combines one of the most practical domestic outputs with genuinely standout clean-burning performance. In many homes, that makes it easier to get the right balance between usable heat, manageable stove size and stronger environmental credentials.
Suitability
The MI-Fire Tinderbox Medium 5kW Ecodesign Wood Burning Stove is well suited to living rooms, snugs, cottages, and homes wanting a highly efficient medium-sized wood burner with low emissions and flexible installation options.
Installation / Technical Notes
The MI-Fire Tinderbox Medium offers 5kW output, 85.1% efficiency, and an A+ energy rating. It is Ecodesign 2022 compliant, Smoke Control Area Exempt, and built from a steel body with a cast iron door. It weighs 64kg. The top spigot outlet sits 150mm from the rear of the stove, while the rear spigot outlet is 430mm from the floor. Distance to combustibles is Side: 400mm, Back: 250mm, 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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