Secondary Air on a Wood-Burning Stove: When to Use Positions F and A

Oct 13, 2026 | Technology | Energy | Wood Stove

Secondary Air on a Wood-Burning Stove: When to Use Positions F and A

Do you know what the secondary air control on your FERCAR wood-burning stove is for? The correct setting depends on how you use your appliance. If you own one of our BIO range stoves, here is when to select each position.

What Is Secondary Air on a Wood-Burning Stove?

Secondary air plays an important role in the combustion process. By supplying additional oxygen to the combustion chamber, it helps burn the gases released by the wood, making better use of the fuel's energy and helping to reduce smoke.

The air supply settings on a wood-burning stove should always follow the instructions specific to each appliance.

Position F: For BIO Mode

When using your FERCAR stove in BIO mode, the secondary air control must be set to position F.

This is the recommended setting for operating the appliance in this mode. To ensure correct use, always follow the instructions for your specific model.

Position A: When Cooking

If you intend to use your wood-burning stove for cooking, set the secondary air control to position A.

This selects the recommended air setting for cooking with your stove.

How to Use Your FERCAR Wood-Burning Stove Correctly

To get the most out of your appliance, it is important to understand its controls and follow the recommended settings for each operating mode.

Remember the two settings:

Consult your FERCAR stove's user manual to confirm the instructions for your specific model.

FERCAR: Knowledge That Makes a Difference

At FERCAR, we develop heating solutions that combine technical expertise, functionality and comfort. Understanding how our wood-burning stoves work is essential to using each appliance as intended.