Post #3850041
2026-07-06 08:12 UTC
The chemistry lab will have a fume hood, which means that it will need makeup air. Which means that while the hood is running, climate control is near impossible. I can design the hood with an active makeup air system, so that very little room air is used and it doesn't pull all of the conditioned air out of the lab. That makeup air could come from inside the building, so it's somewhat "tempered," as well. This also reduces backdraft when the lab door is opened.
Replies (1)
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@North@chaos.social 2026-07-06 08:16
The makeup air system could have a little room air, as a treat, so that the lab is at negative pressure. The biology lab (basically a coat closet with a laminar flow hood inside) has the exact opposite requirements. It will house (be?) a vertical laminar flow hood. In this case, it probably makes sense to circulate the air inside the room as much as possible so as to lengthen the life of the HEPA filters.