Let's start with the gate. Generally, it is better for the gate to face east and south, so that the sun shines in the west and the sun shines in the west. Facing north is easy to be yang-deficient and yin-heavy. General door, can't face the road, this is called an arrow through the heart.
Besides, the indoor door, the indoor door should not face the window, the door facing the window is full of tears, which is not good for the family.
The size of the door depends on the yard and the house. The right size, too big to hold back, too small to be wronged.