# MI Fires Tinderbox Medium Wood Burning Ecodesign Log Store Stove

A highly efficient, UK-designed wood-burning stove that combines dependable 5kW heating with the practicality of integrated log storage. The MI Fires Medium Tinderbox Log Store delivers impressive 85.1% efficiency, low emissions and a tidy, self-contained design – ideal for homeowners who want powerful everyday warmth without unnecessary clutter.

## Why Choose This Model?

The Medium Tinderbox Log Store is an excellent choice if you want outstanding wood-burning efficiency with added everyday convenience. Its 5kW output makes it well suited to small and medium-sized living spaces, while the integrated log store keeps firewood neatly organised and close at hand. With an A+ energy rating, Ecodesign compliance and low emissions, it combines strong heating performance with a practical design suited to modern homes.

## What’s Included

-   MI Fires Medium Tinderbox Log Store wood-burning stove
-   Integrated log storage compartment
-   Ash pan
-   Operating and installation manual

### Key Features

-   **5kW heat output** – ideal for small to medium-sized living spaces.
-   **Integrated log store** – keeps firewood neatly stored and within easy reach.
-   **Wood-burning design** – specifically designed for efficient burning of wood logs.
-   **Ecodesign 2022 compliant** – meets modern efficiency and emissions requirements.
-   **Smoke Control Area exempt (DEFRA approved)** – suitable for use in designated Smoke Control Areas.
-   **85.1% efficiency** – delivers excellent heat while making highly efficient use of fuel.
-   **A+ energy rating** – excellent energy performance for everyday home heating.
-   **Low dust emissions** – tested at just 13mg/m³ at 13% O₂ for clean combustion.
-   **Steel body with cast iron door** – durable construction designed for regular use.
-   **Airwash system** – helps keep the viewing glass clearer for a better view of the flames.
-   **Large viewing window** – provides a clear and attractive flame picture.
-   **External air compatible** – suitable for installations where an external air supply is required.
-   **Designed and engineered in the UK** – developed with a focus on efficient combustion and reliable everyday performance.

### Technical Highlights

-   Rated heat output: 5kW
-   Efficiency: 85.1%
-   Energy rating: A+
-   Weight: 76kg
-   CO emissions at 13% O₂: 0.08%
-   Mean flue gas temperature: 218°C
-   Dust emissions at 13% O₂: 13mg/m³
-   CnHm emissions at 13% O₂: 70mg/m³
-   NOx emissions at 13% O₂: 98mg/m³
-   Fuel type: Wood only
-   Construction: Steel body with cast iron door
-   Ecodesign 2022: Yes
-   DEFRA Approved: Yes

### Specifications

Guarantee

2 Years

Efficiency

85.1%

Heat Output

5kW

Nox Emissions at 13% O2

98 Nmg/m³

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 Only

Fuel Grate Type

Wood Burning Only

Log Length

250mm

Suitable For 12mm Hearth

Yes

External Air Compatible

Yes

Distance to Combustibles - Sides

400mm

Distance to Combustibles - Rear

250mm

Product Range

Tinderbox

Sweep Flue through Stove?

Yes

Colour

Black

More Colours

No

Colour Options

Blacks

Finish

Matt

### Product Dimensions

![](https://cdn.shopify.com/s/files/1/1029/2396/0650/files/mi_fires_tinderbox_medium_wood_burning_ecodesign_log_store_stove_dimensions.jpg?v=1787906197)

Overall Width

410mm

Overall Height

923mm

Overall Depth

350mm

Width to Centre of Top Flue (E)

205mm

Weight

76kg

### Installation Guide

[Click here to view installation guide.](https://cdn.shopify.com/s/files/1/1029/2396/0650/files/mi_fires_install_tbox_lb.pdf?v=1788343142 "Install Guide")

### 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:** 867.62 GBP - 999.62 GBP
- **Vendor:** Mi Fires
- **Type:** wood stove

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| No | 867.62 GBP | In stock |
| Yes | 999.62 GBP | In stock |

## Images

- MI Fires Tinderbox Medium Wood Burning Ecodesign Log Store Stove
- MI Fires Tinderbox Medium Wood Burning Ecodesign Log Store Stove
- MI Fires Tinderbox Medium Wood Burning Ecodesign Log Store Stove
- MI Fires Tinderbox Medium Wood Burning Ecodesign Log Store Stove
- MI Fires Tinderbox Medium Wood Burning Ecodesign Log Store Stove
- MI Fires Tinderbox Medium Wood Burning Ecodesign Log Store Stove
- MI Fires Tinderbox Medium Wood Burning Ecodesign Log Store Stove

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