
Tjernlund CBB and CBW Register Booster Fans
Tjernlund's Cyclone Register Boosters increase airflow to under-performing registers. This helps to improve comfort in rooms that are either too hot or too cold.
- 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
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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: How many Sones or DBs do these booster fans produce? A: Tjernlund does not publish sound data for these. Sorry. Asked on 2021-12-31 by DB |
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#2 | Q: How long is the cord A: That has a 6 foot cord. Asked on 2021-12-13 by Anthony |
#3 | Q: Does this fit the side of the base board A: No, its meant only for floor registers. There are no holes for mounting in a vertical orientation. Asked on 2019-07-27 by Donald |
#4 | 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 |
#5 | 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 |
#6 | 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 |
#7 | 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 |
#8 | 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 |
Related Products
Suncourt HC500 Flush Mount Register Booster
Suncourt's Flush Fit Register Booster increases airflow to under performing registers improving comfort to rooms that are too hot or too cold. 5 fan speed settings.

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