Air curtains.
Comment on How do I figure out where flies are entering my house?
Hello_there@fedia.io 2 weeks agoSome places use a directed air blast at the door whenever it opens up. Enough to push any bugs away from opening the door.
BagOfHeavyStones@piefed.social 2 weeks ago
snooggums@piefed.world 2 weeks ago
Bugs are pretty weak compared to humans so it makes sense that all it takes to keep a bug from opening the door is an air blast.
jaybone@lemmy.zip 2 weeks ago
In a residential home?