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Ecobee Thermostat
(lemmy.world)
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
ERVs should be controlled by humidity, outside temperature, and time. Some come with an automated mode that adjusts run time and fan power with those. It'd probably be difficult to find controls that have multi zone, HA integration, and E/HRV features in one package.
I'd leave the ERV controls out of this one.