this post was submitted on 18 May 2025
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Automating a window AC (lemmy.zip)
submitted 3 weeks ago* (last edited 3 weeks ago) by shortwavesurfer@lemmy.zip to c/homeassistant@lemmy.world
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So I have my AC connected to a smart plug and I'm trying to figure out what would be the best way to go about automating it.

Currently, I have it set to run every hour on the hour for 20 minutes if the time is between noon and 8 p.m. Which covers the hottest part of the day.

However, what I could do is have it run every other hour instead and have a couple of night runs along with the daytime runs.

Doing it that way would eliminate most of the 16-hour period currently that exists between the ending of one day and the beginning of the next.

Edit: Also, is there an easy way to automate every other hour using the time pattern or would I manually have to set up triggers for 2am, 4am, 6am, 8am, 10am, etc. using the fixed values?

Edit 2: looks like i can use "/2" to accomplish that

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[–] mweiss@infosec.exchange 1 points 3 weeks ago

@jaharkes @shortwavesurfer yep. You start there and see if it's good enough, and then iterate. That way you're not overengineering it. The more inputs you use to have the automation decide things, the more opportunities there are for the automation to break.