On the bed heating/cooling front, you might try the Ooler series from sleep.me The older generation Oolers use bluetooth and there are a fair number of integra

On the bed heating/cooling front, you might try the Ooler series from sleep.me The older generation Oolers use bluetooth and there are a fair number of integrations including an [MQTT bridge](https://github.com/turmoni/ooler-mqtt-bridge https://github.com/turmoni/ooler-mqtt-bridge) and a [HomeAssistant integration](https://github.com/PostLogical/ooler https://github.com/PostLogical/ooler). I'm less familiar with their latest generation which uses WiFi, though there [seems to be an API](https://docs.developer.sleep.me/api/ https://docs.developer.sleep.me/api/ ) available for it now.