u/Past-Show-587

Just had new Tado x thermostats installed and have a couple of questions.

1. The current template of the lounge is 19.5c but it is showing as heat to 18c. Is the heating actually turned on when this displays?

2. I have a dog so often leave the back door open when I pop out but I have noticed the heating quite often turns on randomly even though I have set it to turn off when I am away. Is there a better way I could set this up?