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White rectangular vent booster fan with steel grille and remote control

BFKK

BFKK 4 x 12 inch Quiet Register Booster Fan White

SKU CH-TVRC-Y41SQ

A smart register vent with remote control, dual thermostat modes and ultra-quiet PWM fans fits 4 x 12 inch openings and supports 300 pounds

Color White

  • Eliminates temperature disparities with intelligent airflow control
  • Ultra-quiet operation below 18 dBA on lowest setting
  • Automatic thermostat adjusts fan speed for heating and cooling
  • Sturdy 2mm steel panels support up to 300 pounds
  • Remote control works from up to 21.5 feet away

Smart Register Vent Booster

The BFKK 4 x 12 inch Quiet Register Booster Fan integrates with an existing HVAC system to balance room temperatures. It targets homeowners who want to eliminate hot or cold spots without replacing ductwork. The unit fits only 4" x 12" register vents and includes a remote control for convenient operation from up to 21.5 feet away.

Fits ONLY 4" x 12" Register Vent

This dimensional constraint is the single specification that determines compatibility. The booster mounts directly into standard floor, wall or ceiling registers of that exact size. No adapter kits or alternative dimensions are supported, so buyers must measure their existing vents before purchasing.

Steel Panels Support 300 Pounds

The 2 mm steel construction handles normal foot traffic and furniture loads without deformation. The PWM fans operate below 18 dBA on the lowest setting for near-silent background airflow. A built-in negative ion generator assists with dust settling, while the dual thermostat automatically cycles the fan for both heating and cooling seasons.

How it compares

Measured against everything we stock in Specialty Kitchen Gadgets, at today’s prices. Recalculated every night.

Price $99.99
Pricier than about 71% of the 3,885 comparable items (median $66.99).

Specifications

No published specifications for this item yet.

Other versions of this model

3 more in the same range

Questions about this item

How does the 18 dBA low-speed rating affect bedroom comfort?

The fans run below 18 dBA on the lowest setting, producing a gentle breeze that is quiet enough not to disturb sleep at night.

What does the 21.5 ft remote range actually let you do?

The smart remote works up to 21.5 feet away, so you can adjust fan speed or turn the booster on and off from a bed or sofa without walking to the vent.

Will the 300 lb steel panel support hold in a floor register?

The 2 mm steel panels are rated to support up to 300 pounds, making the unit sturdy enough for floor installations where foot traffic occurs.

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