There are a number of ways to do this, but the easiest approach is to take the approximate square footage of your room and apply it to the following table to find a fan that will supply enough airflow.
Sleep apnea: A serious and potentially life-threatening sleep disruption characterized by brief interruptions of airflow during sleep and frequent partial arousals throughout the night.
Because fresh ingredients like lawn, garden, and kitchen scraps need heat, moisture, and oxygen, eco composters use an innovative airflow system providing a constant flow of oxygen.
LD: Miele's ultra-quiet Vortex Motor System™ delivers the powerful suction and airflow necessary to remove stubborn pet hair and is tested to last an incredible 20 years.
In the kitchen, providing maximum airflow, using moderate temperature settings, and ensuring that door seals are in good shape will keep your refrigerator running at its best.