EXT external mount bathroom fans are the perfect solution when space restrictions prevent the use of in-line duct fans like an AXC or MBI. The simple through-the-wall solution allows for mounting on the exterior of a building.
As for construction, a heavy gauge, galvanized steel housing with a baked epoxy finish provides a long life. The built-in backdraft damper helps to prevent air leakage. Additionally, EXT fans combine a quiet and efficient backward curved impeller with a powerful and speed controllable motor.
A full range of accessories is available to suit each application:
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.
There are a variety of ventilation applications for an EXT Fan. In addition to bathroom ventilation, applications include ground floor installations, tight attic spaces, high rise buildings, apartments/townhouses as well as basement washrooms or kitchens are applications for EXT Fans.
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The following recommendations follow minimum guidelines published by the Home Ventilating Institute (HVI):
Note: For proper sizing, the static pressure (SP) needs to be calculated. For typical applications, you may read from the 0.2” SP column for a selection.
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