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I second this. My sister has an enclosed fireplace and last time I visited her, I measured the air quality next to it and was surprised to find no elevated PM2.5 inside the room.

However keeping the door just a bit open emitted a lot of smoke into the room and gave a completely picture.

So I would recommend measuring the air quality in your home if you run any fire place.

I should probably write a blog post about it sometime.

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Yup I got a pm2.5 & AQI monitor a couple years ago and was so excited to have a fireplace in my new house, but trying it with the monitor showed me I really shouldn't. I am considering an enclosed fireplace to still be able to use it. I am now wondering if just emitting it into the air (out of the chimney) is acceptable.

EDIT: also it's been shocking to check on it while cooking, our vent hood is mediocre to bad so we end up keeping a door open most of the time we are cooking

Is this a modern wood stove or insert? I recently bought one for a new home we're building, and from my research they're incredibly efficient these days. Not installed yet so we will see, I suppose.

Open hearth

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