What do the shaded areas on the graph in my Heat Report show? Follow The shaded areas represent the night time periods before sunrise and after sunset Related articles Can I download a PDF of my Heat Report data? Why do I get an error message when I try to link my Alexa account? What voice commands can I use with my Wiser Home system? Why do I need a new Trio IHD, in addition to the IHD I already have from my energy supplier Is the Device Lock feature working normally? Comments 0 comments Article is closed for comments.