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Exhaust fans are classified into various types, mainly depending on the
type of mount and the location where you need to install the fans. The
different types are:
1. Ceiling Mounted Exhaust Fans: As the name suggests, ceiling exhaust
fans are those which are installed in the ceiling. Such fans expel
stale air from your home upwards through the roof. The fan is connected
to ducting, which is exhausted outside the home via an external vent,
like a roof cap or soffit exhaust vent.
2. Inline Exhaust Fans: Unlike ceiling exhaust fans that are installed
directly into the ceiling, inline exhaust fans are typically mounted
in-between ducting, hence the name inline fan. For instance, if you
wanted to ventilate an area that did not have clearance or space for a
ceiling mount fan, you would make use of inline exhaust fans to
ventilate such areas. The exhaust fan would be placed in between the
ductwork and the stale air would travel through the ducts and
ultimately be expelled from your home. Since inline fans are not
mounted directly to the ceiling, they are very quiet. When installing
an inline fan, to reduce noise, we recommend using an insulated flex
duct that is at least eight feet long from the intake port on the
ceiling to the inline fan.
Inline exhaust fans are ideal for exhausting areas or rooms where you
cannot, or do not wish to install the exhaust fan directly. Since these
types of exhaust fans are mounted in remote areas, they are also
referred to as remote mounted exhaust fans. Inline exhaust fans can
either be single-port (exhausting from a single area) or multi-port
(exhausting from multiple areas).
3. Wall Mounted Exhaust Fans: These exhaust fans are installed on
walls. Since they are installed on exterior walls of the home and not
on interior walls, the stale air has a direct route to the outside of
your home and thus no duct work is required in installing these exhaust
fans.
4. Combination Exhaust Fans: Exhaust fans are also available as
combination units. You have the choice of a fan-light combination where
the exhaust fan provides illumination as well, or heat-fan-light
combination wherein you get a heater, light and ventilating fan all in
a single device.
5. Exterior Remote Mounted Exhaust Fans: While most other exhaust fans
are installed inside your home and push stale air out, exterior remote
mounted fans are installed outside your home and pull out stale indoor
air instead of pushing it out. The main benefit of these exhaust fans
is that regardless of however noisy they are, most of the noise remains
outside your home.
6. Kitchen Range Exhaust Fans: These fans are mounted inside the range
hood over your kitchen stove. Such fans not only help to rid your
kitchen of stale air but also help to expel bad odors and reduce moistu
