this post was submitted on 21 Jun 2023
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We've got an insulated house, heat it properly, ventilate it, but still see humidity levels of 70%+ in bed rooms. How to fix that? (self.newzealand)
submitted 1 year ago by sylverstream to c/newzealand
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We built a house 7 years ago and it's insulated and has double glazing. I've installed Home Assistant with temp sensors in the bed rooms and seeing 70%+ humidity levels. Temperature is always above 16c

We ventilate it, but still it's 70% in the bedrooms. WHO recommends 40-60%, so we're a bit worried.

Living room is around 55% during the day when we have the heat pump set at 21c.

As it's pretty humid outside I think it's almost impossible to get it lower, but are there any other tips? I don't want to run dehumidifiers. Would an HRV like system help?

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[–] Dave 3 points 1 year ago (24 children)

Oh boy, that's cheaper than I was expecting startup costs to be... I am oh so tempted now!

With HomeAssistant, as I understand it, it needs the full Pi? I have a bunch of services running on my RPi 4 and so when I've looked at HomeAssistant I haven't been able to install this without touching the other stuff on there. I think they have a docker container version but it has a lot less features.

I have for a while been intending to uprade my stuff to something that can handle photos/videos better, but haven't got around to it. I might need to wait until I do that, then I'll have a spare Pi to use for HA.

I'm guessing an RPi 1B won't handle it. It's running Pi hole at the moment, but I think this is about the only thing it's capable of.

[–] innercitadel 2 points 1 year ago (3 children)

Do you have any old x86 computers lying around?. I am running a NAS serving a dozen docker containers and a VM on an ancient 4th gen intel cpu. I never got into the home assistant stuff but maybe I'll also give it a go! I use PhotoView to share photos with family through CloudFlare zero trust tunnel.

[–] Dave 2 points 1 year ago (2 children)

Computers outnumber adults in our house by quite a bit, depending on what you count. There's one in particular that I think would make a good server, but it's a laptop and I can't find the power cord!

Other than that, the Raspberry Pi 4 handles many services just fine, it's just photo/video that are pretty slow (and gets worse the more you use it, so probably thermal throttling - it doesn't have a fan). But it turns out you can run Home Assistant in a docker container and still use the addons by connecting them in other docker containers, so I will give this a go once I get a chance.

[–] innercitadel 2 points 1 year ago (1 children)

I have an unused Pi4 4GB model lying around, I might try run HomeAssistant on it. Sounds like a fun project.

[–] Dave 1 points 1 year ago

Do it! You might also consider this list of self-hostable projects: https://github.com/awesome-selfhosted/awesome-selfhosted

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