Tjernlund Products, Inc. Tjernlund draft inducers, power venters, ventilation




 Balance Booster™ Reversible Transfer Fan

Improve whole house comfort year round!
Model BB1 Balance Booster Fan lets you:
  • Sleep cooler and more comfortably upstairs in summer
  • Enjoy a warmer basement in winter
  • Save energy year round

Multi-story homes often have chilly basements and hot upper levels. In summer, the balance booster transfers cool basement air to your hot upstairs. In winter, the balance booster transfers warm upstairs air to your chilly basement. Activate with wireless remote from anywhere in your house. Reverse airflow in seconds without tools.

Balance Booster
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Model BB1 Specifications


  • 4” High Performance Inline Fan with 6’ Power Cord
  • Easy Flip™ Mounting Chassis
  • 4” White, Adjustable Round Grilles (2)
  • Switch It™ Plug-in Wireless Receiver and Remote Control
  • Mounting Hardware
120 Volts
100 Watts
0.9 Amps
150 CFM @ 50 Equivalent Feet
6’ Grounded Power Cord
Switch ItTM Wireless Control
15 Amps Max
1800 Watts Max
Range: Up to 80 feet through walls and floors

950-9350 3" PVC Coupler Kit

Accessory for using PVC as the air transfer pipe.


Chimney Stack Assist Kit

Balance Booster™ Fan
Shower Drying System

Radon Vac Fan
Stove Blower
Basement Fan
Rooftop Inducers
Dryer Booster
Room-to-Room Fans
Crawl Space Fans


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Phone: 800-255-4208  |  Fax: 651-426-9547