# MI Fires Tinderbox Large Wood Burning / Multifuel Ecodesign Stove

A robust and efficient multifuel stove designed to deliver flexible everyday heating with clean, dependable performance. The MI Fires Tinderbox Multifuel produces a balanced 5kW heat output with 81.3% efficiency and low emissions – ideal for homeowners who want the option to burn wood or approved smokeless fuels in a compact, timeless design.

## Why Choose This Model?

The Tinderbox Multifuel is a strong choice if you want the flexibility of multiple fuel options without compromising on efficiency or clean combustion. Its 5kW output makes it well suited to small and medium-sized living spaces, while its 81.3% efficiency and A+ energy rating help make effective use of every fuel load. With low dust emissions and Ecodesign compliance, it offers reliable, modern heating for everyday use.

## What’s Included

-   MI Fires Tinderbox 5kW multifuel stove
-   Multifuel grate
-   Ash pan
-   Operating and installation manual

### Key Features

-   **5kW heat output** – ideal for small to medium-sized living spaces.
-   **Multifuel capability** – burns wood logs and approved smokeless fuels.
-   **Ecodesign 2022 compliant** – meets modern efficiency and emissions requirements.
-   **Smoke Control Area exempt** – suitable for use in designated Smoke Control Areas.
-   **81.3% efficiency** – delivers dependable warmth while making efficient use of fuel.
-   **A+ energy rating** – excellent energy performance for everyday home heating.
-   **Low dust emissions** – tested at just 10mg/m³ at 13% O₂ for cleaner combustion.
-   **Strong, dependable construction** – built for reliable everyday use.
-   **Large viewing window** – provides a clear and attractive view of the flames.
-   **Low CO emissions** – designed to support cleaner, more efficient combustion.

### Technical Highlights

-   Rated heat output: 5kW
-   Efficiency: 81.3%
-   Energy rating: A+
-   Weight: 81kg
-   CO emissions at 13% O₂: 0.11%
-   Mean flue gas temperature: 274°C
-   Dust emissions at 13% O₂: 10mg/m³
-   CnHm emissions at 13% O₂: 90mg/m³
-   NOx emissions at 13% O₂: 97mg/m³
-   Fuel type: Multifuel
-   Ecodesign 2022: Yes

### Specifications

Guarantee

2 Years

Efficiency

81.3%

Heat Output

5kW

Energy Rating

A Plus

DEFRA Approved

Yes

Airwash System

Yes

Construction

Steel Body - Cast Door

Flue Outlet

Top & Rear (Interchangeable)

Flue Size

5-inch (125mm)

Fuel Type

Wood or Multi Fuel

Fuel Grate Type

Multifuel Grate (to burn Wood & Smokeless Coal)

Suitable For 12mm Hearth

Yes

External Air Compatible

Yes

Distance to Combustibles - Sides

600mm

Distance to Combustibles - Rear

500mm

Product Range

Tinderbox

Sweep Flue through Stove?

Yes

More Colours

No

### Product Dimensions

![](https://cdn.shopify.com/s/files/1/1029/2396/0650/files/mi_fires_tinderbox_large_wood_burning_multifuel_ecodesign_stove_dimensions.webp?v=1787904827)

Overall Width

490mm

Overall Height

615mm

Overall Depth

343mm

Width to Centre of Top Flue (E)

245mm

### Liner Kit (Optional)  
  

![](https://cdn.shopify.com/s/files/1/1029/2396/0650/files/LINER_KIT.png?v=1788437904)

**Liner Kit Includes**

-   10m 316-grade flue liner
-   Pot hanging cowl
-   Liner adaptor
-   500mm vitreous stove pipe
-   Register plate
-   Carbon monoxide (CO) alarm
-   Data plate

## Details

- **Price:** 826.08 GBP - 910.08 GBP
- **Vendor:** Mi Fires
- **Type:** wood stove

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| No | 826.08 GBP | In stock |
| Yes | 910.08 GBP | In stock |

## Images

- MI Fires Tinderbox Large Wood Burning / Multifuel Ecodesign Stove
- MI Fires Tinderbox Large Wood Burning / Multifuel Ecodesign Stove
- MI Fires Tinderbox Large Wood Burning / Multifuel Ecodesign Stove
- MI Fires Tinderbox Large Wood Burning / Multifuel Ecodesign Stove

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> Source: [Pro-Line Direct](https://prolinedirect.co.uk/products/tinderbox-large-wood-burning-multifuel-ecodesign-stove)
> Updated: 2026-09-07