this post was submitted on 22 Feb 2024
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Home Assistant is open source home automation that puts local control and privacy first. Powered by a worldwide community of tinkerers and DIY enthusiasts. Perfect to run on a Raspberry Pi or a local server. Available for free at home-assistant.io

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Turn on kitchen hood when naighbour is cooking (lemm.ee)
submitted 8 months ago* (last edited 8 months ago) by rambos@lemm.ee to c/homeassistant@lemmy.world
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Hey peeps, I moved to a new appartment and my kitchen hood is connected to the same pipe (chimney) as hood from appartment below. The issue is smell coming from our hood when neighbour is cooking.

I was thinking about some kind of sensor (air flow or humidity or smell?) that can detect when neighbour is cooking and then HA would turn on our hood at the lowest speed.

I have no clue what kind of sensor would be suitable. I also need to figure out how to start our hood with HA (hacking with relay or buying some kind of smart kitchen hood is acceptable). Our kitchen hood is just regular Faber with 4 position switch for selecting fan speed.

Anyone have idea how to solve that issue? What sensor would be best for that?

Note that I have already installed 1-way valve (not sure whats the correct english word) and 3 different filters, but still sucks

Edit: I got some things going on, cant replay to all comments today and probbly tomorrow. Thank you all for input, Ill come back asap

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[–] rambos@lemm.ee 1 points 8 months ago (1 children)

I should test if air temperature is high enough after 5-6 m of vertical travel. If you know any device that can do that please link. Unless you are talking about full DIY?

[–] ironhydroxide@sh.itjust.works 1 points 8 months ago (1 children)

I'm talking full diy. It's simple enough.

I'd say the probe would just need to be higher than the merge point of the ducts. I can't imagine that'd be 5m.

You can get k type thermocouples with 2+m cables fairly cheaply. And esphome has a handy guide on how to setup a thermocouple input. https://esphome.io/components/sensor/max6675.html

[–] rambos@lemm.ee 1 points 8 months ago

Thank you