How to choose your Bathroom Fan?

What is a sone rating?
Sones, or the sone rating, is a term used to describe sound levels. Lower sone ratings are found on quieter fans. Higher sone ratings indicate a louder bathroom fan.

What is CFM?
CFM (Cubic Feet per Minute) measures fan air movement. CFM increases as air movement increases. A higher CFM is best for a larger bathroom; a lower CFM may be adequate for smaller spaces.

TD-BF-01 110CFM/1.0Sones. Ventilating for bathroom up to 110 Sq. Ft

TD-BF-02 90CFM/0.8Sones. Ventilating for bathroom up to 90 Sq. Ft

TD-BF-03 70CFM/2.0Sones. Ventilating for bathroom up to 75 Sq. Ft

TD-BF-04 80CFM/1.5Sones No Attic access Needed Installation,Ventilating for bathroom up to 85 Sq.FT

TD-BF-05-L 70CFM 2.0Sones with LED light ventilating for bathroom up to 75 Sq.FT.

TD-BF-06 70CFM 0.3Sones ventilating for bathroom up to 75 Sq.Ft

TD-BF-07 110CFM 0.8Sones with Humidity sensor ventilating up to 110 Sq.Ft

TD-BF-08-L 80CFM 1.5Sones with LED light Ventilating for bathroom up to 85 Sq.FT

TD-BF-09L 80CFM 2.0Sones with LED light and No Attic access Needed Installation, Ventilating for bathroom up to 85 Sq. FT

TD-BF-10 110CFM 1.2Sones with No Attic access Needed Installation,Ventilating for bathroom up to 110 Sq. FT

TD-BF-11 90CFM 1.5Sones with Ventilating for bathroom up to 90 Sq. FT

TD-BF-12-L 90CFM 1.5Sones with LED light Ventilating for bathroom up to 90 Sq. FT

TD-BF-13 50CFM 1.5Sones DC Motor with No Attic access Needed Installation,Ventilating for bathroom up to 50 Sq. FT

TD-BF-14L 50CFM 1.0Sones with LED light and No Attic access Needed Installation, Ventilating for bathroom up to 50 Sq.

Brand	Tech Drive
Model Number	TD-BF-07
Color	White
Product Dimensions	34.04 x 34.04 x 22.86 cm; 6.21 kg
Power / Wattage	33 watts
Voltage	120 Volts
Material	Metal
Auto Shutoff	No
Number of Speeds	1
Noise Level	0.8 Sones
Special Features	Timer
Item Weight	6.21 Kilograms

Tech Drive Bathroom Ventilation and Exhaust Fan with Humidity sensor,110CFM 0.8 Sones with 6inch Duct

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