Addons for Home Assistant
In Supervisor go to the Add-on Store,
In the overflow menu click "Repositories"
Add https://github.com/HLFCode/ha-addons/
Wait for the Heatmiser Add-on to show up or click reload in the same overflow menu
Install Heatmiser.
PLEASE NOTE: Heatmiser is untested and may be broken.
Follow Documentation, Setup and Install of the Add-on
Copy the heatmiser
folder to Home Assistant's addons
folder (you will probably need Samba installed for this)
Go to Settings->Add-ons
Click ADD-ON STORE
Click the menu bar (3 dots) in the top right corner and click Check for Update
Heatmiser should then appear and be ready to be unstalled