Sunrooms can add value to your home, and they also link the rest of your house with the outdoors. However, it can be challenging to keep a comfortable temperature in a sunroom depending on which way it’s facing. South- and west-facing sunrooms need more ventilation, because they receive the most direct sunlight. North- and east-facing sunrooms are often pleasant in the summer but chilly in the winter. A simple solution to get more air ventilation in the summer is to install side-opening windows. Supreme

The rest is here:
Sunroom Ventilation