[wildekek]

I have done all this using ESPHome. There a quite some control loop components you can utilize for this, such as bang-bang and pid thermostat.

My thermostat: https://github.com/wildekek/esphome-opentherm-templates

My air cleaner: https://github.com/wildekek/BlitzHome-BH-AP2501

My bathroom hygrostat uses Home Assistant: https://www.home-assistant.io/integrations/generic_hygrostat...