Cool Air by H.P. Lovecraft is a chilling tale about a man who moves into a New York City apartment building and becomes intrigued by his mysterious upstairs neighbor, Dr. Muñoz. The doctor lives in a room kept unnaturally cold and reveals that he relies on the cold to survive due to a peculiar medical condition. As the cooling system fails, the true nature of Dr. Muñoz's existence is terrifyingly revealed, culminating in a shocking discovery that challenges the boundaries of life and death. The story explores themes of mortality, science, and the unknown.