Duct booster fans are consumer products - at least in my experience. I don't remember an HVAC professional using or recommending a duct booster fan on any job I've worked on. The only reason you would ...

Model Geni 6xr is an easy-to-install through-the-wall fan that increases airflow from room to room or level to level, enabling consumers to enjoy the warmth from their fireplace or pellet stove in any ...