Conditions for optimal operation

The chimney

The chimney – or its draught to be more precise – is the most important factor in ensuring your stove works well. The smoke produced by the combustion of the wood – very hot and therefore very light – has a natural propensity to rise.
The flue must allow it to disperse.

What makes a good chimney ?
It must create sufficient but not excessive draught for the stove to which it is connected.

And what is needed to create this draught ?

sufficient height,
a chimney that is as vertical and straight as possible,
a smooth surface that does not prevent the dispersal of smoke,
an appropriate size in cross section – preferably round rather than square – and never less than the diameter of the stove's smoke outlet,
a thermally insulated flue : if the smoke cools down, it loses its upward momentum, which may result in condensation. Flues which cross parts of the building that are not heated (attics) or flues installed outside must be insulated,
a chimney that has a good cover, which ensures a sufficient draught regardless of the direction and speed of the wind. The dimensions of the chimney are determined by your supplier.

The dimensions of the chimney are determined by your supplier.

Air

The combustion of wood consumes air (8 m³ of air is required to burn 1 kg of wood). In older houses, air gets in under the doors and frames. In modern houses, which are more airtight, an outside air inlet is required. This should be as close to the stove as possible.
Other systems that require a lot of air – such as a cooker hood or ventilation system – which can affect the operation of the stove, must also be taken into account. These could affect the operation of the stove with the risk of the fire going out or backdraughts of smoke into the house. Point these considerations out to your supplier when choosing your stove. He will help you choose the best solution.
Your supplier : a key partner in your project.

To obtain an accurate analysis of your chimney, to get advice on the Stûv best suited to your house or to find out about original integration solutions or possible offers or fiscal incentives available in particular European countries or regions, your supplier, who has lots of experience, should be consulted as early as possible in your construction or renovation project.