Tjernlund Products’ Duct Booster Fans are designed for easy installation within heating and cooling ducts to increase the flow of conditioned air to desired areas. The fans operate quietly and are ...

There are many applications where additional airflow would make an area more comfortable. In most cases, insufficient airflow is not caused by a lack of air handler cfm. The prime culprit is ...

A duct booster fan - most people just call them booster fans - is a device that you can attach to your HVAC system's ductwork. It's supposed to increase airflow to rooms in your home that are far away ...

We tested a variety of fans for 4-inch and 3-inch ducts to find the best bathroom exhaust fans for airflow and noise Behind ...

Q. We have a problem keeping several rooms comfortable. These rooms are either chilly during winter or hot during summer. What are some efficient methods to balance out the temperatures in our home? A ...