A heated room is not automatically ventilated
Wood-burning stoves release combustion products and need proper flue draft and fresh-air supply. A blocked chimney, damaged stove or unsuitable room can create risks that are not obvious from how hot the sauna feels.
Carbon monoxide is odorless
CO can be produced by incomplete combustion and cannot be reliably detected by smell. Use suitable detectors where recommended by local regulations, and ensure equipment is installed and serviced by qualified specialists.
Avoid improvising with heaters
Do not use indoor charcoal burners or portable gas cooking appliances to heat a sauna. Keep flues clear, verify compliance with local fire rules and do not leave a burning stove unattended.
Recognize an emergency
Headache, dizziness, nausea or confusion after fuel burning could be warning signs. Leave for fresh air, call emergency services and do not re-enter until the site is checked.
For health, poisoning or safety concerns, do not rely on this page to diagnose or assess an emergency. Contact qualified local services promptly when needed.
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