What Is the best firewood for a sauna stove?

🕓 Viimati uuendatud: 3. Sep 2026

A wood-burning sauna is directly affected by the type of firewood you use. The right firewood helps the sauna heat efficiently, improves the quality of the steam and can even help keep the chimney cleaner. Good firewood burns evenly, produces sufficient heat and creates less soot.

Best firewood for a sauna stove

The best choice is dry hardwood. Hardwood generally burns longer and produces more heat than many types of softwood.

The most commonly used types of firewood for sauna stoves include:

Birch

• high heat output
• easy to ignite
• produces a pleasant aroma

Birch is considered one of the best types of firewood for sauna heating in many sauna cultures.

Alder

• burns cleanly
• produces relatively little soot
• has a pleasant aroma

Alder is especially valued in traditional smoke saunas.

Aspen

• burns steadily
• can help reduce soot deposits in the chimney
• works well together with other types of firewood

Can you heat a sauna with softwood?

Softwoods such as spruce and pine can be suitable for starting the fire, but they are generally not recommended as the main fuel for a sauna stove.

This is because they:

• contain more resin;
• can produce more soot and sparks.

For this reason, softwood is often better suited for kindling rather than as the primary firewood.

Very Important: The firewood must be dry

The type of wood is not the only important factor – moisture content is equally important.

Good firewood:

• has been seasoned for at least 6–12 months;
• has a moisture content below 20%;
• burns cleanly and evenly.

Wet firewood:

• produces a lot of smoke;
• heats the sauna more slowly;
• creates more soot deposits in the chimney.

What should you not Burn in a sauna stove?

Avoid burning:

• fresh or wet wood;
• painted or chemically treated wood;
• wood briquettes or glued wood products.

These materials may damage the sauna stove and negatively affect the sauna experience.

Summary

The best firewood for a sauna stove is dry hardwood, particularly birch, alder and aspen. These types of wood provide plenty of heat, burn evenly and help create pleasant, soft sauna steam.

Choosing the right firewood and heating the stove correctly are among the most important factors in creating an enjoyable sauna experience.