Using Home Assistant, I have been able to create a system for scaling my home's indoor temperature based on the outdoor heat index. This will also account for day/night cycles and home presence. The goal of this automation is to increase the temperature indoors as it gets hotter to

The following is a sample of how to implement a sensor in Home Assistant that displays a calculated heat index value based off an existing sensor device that provides temperature and relative humidity readings. This calculation is using the formulas provided on the National Weather Service website. - platform: template