If the duct is a standard size, remove the register and drop the fan into the boot. Secure it to the floor on each side with screws. If the duct is smaller than standard, see photos below. Plug the ...

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 ...

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 ...

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 ...