Is it okay for all houses to have sunny sides?

It is not good if the whole house faces south.

Firstly, because the sun shines directly for too long in summer, it makes the whole house feel like it is inside a boiler. Even if it uses air conditioning, it will be worse than The average power consumption of a room

2. If it is all on the sunny side, it means that your house does not have a shady side, which means that the ventilation effect of the house is not good