There are many ways to keep a room cool that faces the sun, including using an air conditioner, fans, ceiling fans, opening windows and doors when cool, and closing when hot to create airflow.
Tasks such as cooking, running the clothes dryer, and running the dishwasher, contribute to the heat of the room and the overall heat of the house. Consider completing these tasks in the evening when it’s cooler.
Cooking, showering, and using a hairdryer are examples of humidity-producing activities that contribute to the overall humidity in your house throughout the day. It’s worth noting that while using a cool-mist humidifier may make the room feel less humid and create a sense of freshness
There are various techniques that can be used to keep a room cool that faces the sun. What works for you will largely depend on your budget, the size of your house, and the heat you are experiencing.