Tjernlund RB12 Air Register Booster Fan - 4 x 12 Inches
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Tjernlund RB12 Air Register Booster Fan - 4 x 12 Inches

Ultra-Quiet and Energy Efficient Fan Lies Flush When Installed Into Standard Register Boots
  • Installs into existing register boots
  • On/off toggle switch for easy operation
  • Low profile design lies flush with carpet or wood flooring
  • Grille can be painted to match any d

Item #: 32526

Ships in 1 to 2 days

Special Price: $105.08

List Price: $198.00

Your Savings: $92.92

Frequently Bought Together:

Tjernlund RB12 Air Register Booster Fan - 4 x 12 Inches

Special Price: $105.08

List Price: $198.00

Your Savings: $92.92


Price For Both: $112.04

  • Details
  • Specs
  • Reviews
  • Manuals
  • What's Included
  • Designed for installations that will not accommodate standard in-line Duct Booster fans, this register fan installs directly into your floor and delivers hot or cold air from your HVAC system. Installation into existing register boots only takes a few minutes. No hard-wiring is required; simply plug the attached 6-foot power cord into the nearest electrical outlet. The air flow will instantly be strengthened and the booster fan will operate quietly to not distract you from your task at hand. The fan's low sone cross flow blower enables it to be 50% quieter and eliminates buzzing that can be heard from typical booster fans. An on/off toggle switch lies beneath the grille to turn the unit completely off when you don't want it running.

  • Specifications
    Manufacturer Tjernlund
    Manufacturer Product No. RB12
    UPC 080956957139
    Volts 115
    Watts 20
    Sones 1.4
    RPM 1800
    Air Delivery (CFM) 75
    Warranty 1 year, limited
  • 4 Reviews

    Review of 32526 Review by JAIME
    Review of 32526

    Fan is quiet and fit right into the 4x12 floor register.

    Posted on 10/7/2013

    Review of 32526 Review by Unhappy
    Review of 32526

    Unit emits loud, high-pitched whine in operation. Was not tolerable for me. Smarthome would not accept for return.

    Posted on 7/23/2013

    Review of 32526 Review by RAYMOND
    Review of 32526

    its quiet, the hard to heat room is now comfortable. I recommend this product.

    Posted on 12/27/2012

    Review of 32526 Review by Paul
    Review of 32526

    Powerful, maybe too much so.

    I have an older section of my house where the insulation is not as good and only one duct feeding a large bedroom. I put one of these in. It was a 1940's register so I had to buy a new replacement and do some metal work on it.

    I have a Homeseer homeautomation system and used a ICON Relay - INSTEON Appliance Module to automatically activate the booster about a minute after the furnace kicked on.

    It comes on and really moves a lot of air. While you can hear it working, its not objectionable.

    Here's the but..... the placement of the duct put it near the bed. It blows so much air that the occupant felt cold from the breeze

    Two suggestions:
    1 Don't plan to use it if the register is wall mounted / points direclty at where the occupants will stand, sit or sleep.
    2 Buy the optional variable speed control, or buy an automation control that can dim a load.

    Also, if using automation, have it wait about a minute after the furnace on is detected to allow warm air to fill the duct.

    Posted on 11/6/2011

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    * Required Fields

    • 1x - Duct Booster Register Booster Fan
    • 1x - Main unit grille
    • 1x - Diffuser
    • Mounting hardware

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