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Good ROI Suggestions?
(self.homeassistant)
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
Doing temperature monitoring in each room of the house. It really lets you work out where you're losing heat, or failing to cool in the summer, and keep things more comfortable.
I bought a 5 pack of xiaomi temp sensors from Ali express... They were like $5 each? They're Bluetooth but you can bridge to HA using an esp32 with esphome. Really cheap way to get some resolution on how and where and when the house is heating/cooling.
I was surprised at how poorly I understood how to manage the temp of my home. Knowing really is half the battle.