Tjernlund CBB and CBW Register Booster Fans
- Fits in both a 3x10 and a 4x10 duct
- Sturdy Steel Construction
- Works for all seasons
- Built-in, Discrete Sensor
- Fan blades angled at 45 degrees
- Plug in cord
- Turns on and off automatically
- Available in Brown or White
|Do you have questions about the products on this page?
Click on the ? image on the left or this link to ask us your questions!
|#1||Q: Is it possible to add a vaiable speed control to this unit?
A: The motors in these are not speed controllable.
Asked on 2017-01-25 by DJ
|#2||Q: What is the cfm of this unit? Out of all the register boosters that you carry, is this one the best in terms of cfm and efficient energy consumption?
A: Those are 60 cfm per Tjernlund...All the register boosters are roughly the same, so you couldnt go really wrong with any of them.
Asked on 2015-07-30 by Jeff
|#3||Q: Can this be used in ceiling vents?
A: These are for floor use typically, but it could be adapted by drilling holes through it and attaching it that way.
Asked on 2013-10-06 by Melanie
|#4||Q: is this product a single fan or double fan
A: This has a single fan unit on board.
Asked on 2013-07-01 by ralph
|#5||Q: There doesnt seem to be any controls on this item. How do you set it? Can this be purchased in any outlet? i.e. Lowes or Home Depot?
A: It runs automatically with a temp sensor on board, just set it and forget it.
Asked on 2013-06-29 by Guido
The patented Equalizer EQ2 boosts airflow from poorly performing registers by up to 80%. This will re-distribute heated or cooled air from your central system to a room that is always too cold in the winter or too hot in the summer.
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