With its high efficiency DC motor and multi-speed capability, the TF140-DC Tranquil Bathroom Fan offers whisper-quiet exhaust that is under 1 sone. Toggle-switch positioning determines the maximum desired airflow rate, ranging from 90 to 140 cfm. The low-speed airflow rate is adjustable from 40 cfm up to the maximum desired airflow.
The versatile TF140-DC fan can be installed as a traditional bathroom fan. Alternatively, it can be configured to operate continuously at a low airflow rate to improve indoor air quality (IAQ), and to boost the exhaust to maximum airflow with a flip of a switch.
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A full range of accessories is available to suit each application:
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.
View our full line of bathroom ventilation fans and in-line fans while searching for the fan that best suits your application.
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