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I've been using HA for a while; having my home just "do things" for me without asking is fantastic. My lights turn on to exactly the levels I want when I enter a room, my grass and my plants get watered automatically, heating and cooling happens only when it needs to. There are lots of benefits. Plus, it's just a fun hobby.
One thing I didn't expect, though, is all the interesting things you can learn when you have sensors monitoring different aspects of you home or the environment.
- I can always tell when someone is playing games or streaming video (provided they're transcoding the video) from one of my servers. There's a very significant spike in temperature in my server room, not to mention the increased power draw.
- I have mmWave sensors in an out-building that randomly trigger at night, even though there's nobody there. Mice, maybe?
- Outdoor temperatures always go up when it's raining. It's always felt this way, but now it's confirmed.
- My electrical system always drops in voltage around 8AM. Power usage in my house remains constant, so maybe more demand on the grid when people are getting ready for work?
- I have a few different animals that like to visit my property. They set off my motion sensors, and my cameras catch them on video. Sometimes I give them names.
- A single person is enough to raise the temperature in an enclosed room. Spikes in temperature and humidity correspond with motion sensors being triggered.
- Watering a lawn takes a lot more water than you might expect. I didn't realize just how much until I saw exactly how many gallons I was using. Fortunately, I irrigate with stored rain water, but it would make me think twice about wasting city water to maintain a lawn.
- Traditional tank-style water heaters waste a lot of heat. My utility closet with my water heater is always several degrees hotter than the surrounding space.
What have you discovered as a result of your home automation? While the things I mentioned might not be particular useful, they're definitely interesting, at least to me.
The humidity in my apartment is affected far more by cooking than by showering.
Is it the food or just that your extractor fan is bringing in outside air? (Please tell me you cook with an extractor fan!)
Many many places (it is a trend now) just have extractor fans that simply run through a shitty filter and blow it back into the room. My old rented house (it was just renovated in 2021) was like that along with tons of moisture problems coming from a half-assed renovation (turns out, the church officials were embezzeling a ton of money from the church company that came out a few years later) of a protected monument house from the 1500s.
Some apartments can have a charcoal filter hood instead of a fan that extracts directly to the outside, depending on ventilation design. My fan is one of those.
I don’t have a fan, but I have a window near my stove. HA’s graphs let me compare the effect of opening the kitchen window by itself vs opening it while cooking, so I can isolate the effects.
Are you cooking on gas?
You might recall that ~~carbohydrates~~ hydrocarbons being burned release a lot of H2O.
IME, the humidity from cooking is much much less when using an induction stove
Hydrocarbons. Carbohydrates are in bread, pasta and potatoes.
Oven full of carbohydrates = good
Oven full of hydrocarbons = bad
No, induction.
I haven’t tried to differentiate between cooking involving boiling, steaming, etc. versus sautéing, frying, or other oil-based methods—I assumed the humidity spike was due to the former.