TF140-DC Tranquil Bathroom Fan with its high efficiency DC motor offers whisper-quiet bathroom exhaust that is under 1 sone. This multi-speed bathroom fan will operate at the desired airflow rate determined by the toggle switch settings. The toggle switch position determines the desired airflow rate, ranging from 90 to 140 cfm.
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Additional information on Ventilation & Bathroom Fans:
HVI recommends ventilation rates based on 8 air changes per hour. For most bathrooms this works out to 1 cfm per square foot of area, with a minimum of 50 cfm.
HVI, also known as the Home Ventilating Institute, is an independent non-profit organization that certifies fan performance characteristics and provides HVAC guidelines for consumers. Learn more about HVI at HVI.org.
When it comes to choosing the right duct, people often ask, “What is the best duct for bathroom ventilation?” While there isn’t necessarily one absolute right choice, many times the best option is the flexible insulated duct. Learn more in our blog posting:what-is-the-best-duct-for-bathroom-ventilation
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