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I'm wondering if this is also be applicable in the case of a closed combustion wood burning fireplace? (internally, at least). My understanding is that they create quite a tight seal when all closed up.

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> Wood burners cause less indoor pollution than open fires. “But every time you open the door, you reduce the stove to an open fire and particulate matter floods into the home,” he said. The peaks take an hour or two to dissipate. “But by the time it comes down, someone opens the door again to refuel and you get spike after spike,” Chakraborty said. Some burners have filters, but these only reduce the pollution being vented outside.

https://www.theguardian.com/environment/2020/dec/18/wood-bur...

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