Why South good lighting conditions
China in the northern hemisphere, the direct point of the sun in the south, that is to say, for most of China, the sun is in our South, so the house faces south, the sun is good!
Obviously, sits in the winter day short night long day light is more than six hours (around the house is not too high case).
This question, you only need to examine a question to know the answer, when you in China, when seen the sun in the north?If you don't know, buy a good compass in the four corners of the world.
