It allows you to choose an airflow of 50, 80, or 110 CFM for your ventilation fan. During warmer seasons, you can select a higher airflow to enhance ventilation and cooling. In colder seasons, a lower ...
See reviews below to learn more or submit your own review. Carrier Heating & Cooling manufactures air conditioners, furnaces, heat pumps, thermostats and air quality products. Founded in 1902 ...