7. Dreaming of Geni

The ComfortGeni is a through-wall fan that increases airflow from room to room or level to level, enabling homeowners to enjoy the warmth of a fireplace or pellet stove anywhere in the house. The unit’s built-in sensor automatically shuts off when the source air temperature is insufficient to create the desired warmth. Cost: $134.95. ComfortGeni. 317-650-5348. www.comfortgeni.com.