Although often neglected or put on the backburner
for the time being, bath fans are one of the most important elements of any
house. Even if the house itself is well-ventilated, bathrooms may not have
enough windows or are kept shut most of the time. This is especially noticeable
during the winter months when the house is heated and the windows are kept
shut. Even during the summer months, while using the bath, if the bathroom is
not ventilated properly, the hot air rises and turns into condensation.
This in turn leads to moisture getting trapped
which subsequently gives rise to mold, mildew and various other types of
bacteria. Although seemingly innocuous, mildew, mold or bacteria in the long
run are potential health hazards and give rise to a host of health problems.
Bathroom exhaust fans help get rid of the excess moisture in the bathroom by
the circulation of air and are thus very vital in any household.
The bathroom is a continuously used space whether
for a shower or a shave or a bath. This means that a layer of hot vapour is
constantly being left behind and if there is no circulation of air, it leads to
condensation and moisture build-up. Bathroom ventilation fans help alleviates
this problem by releasing fresh air and circulating the old air out of the
bathroom. It also gets rids of unsavoury smells from the bathroom.
Bathroom exhaust fans are usually set to get
activated the moment the shower is switched on or even if the ambient light is
switched on. A timer ensures that the exhaust fan runs for a few minutes after
the shower is switched off. The settings are taken care of during the
installation process itself but if the air is not circulating satisfactorily
the settings can always be changed. Newer modifications include humidity
sensors which keep the bathroom fans running till the moisture reaches a
certain level. The humidity sensor works better and is more energy efficient
than the old timer setting.
The standard laid down by the industry for bathroom exhaust
fans is that they should be able to get rid of air in the room which is
eight times in volume every hour. Before buying a bathroom ventilation fan you
must therefore calculate the volume of air in the room by knowing the
dimensions of the area. Bathroom fans are normally rated according to cubic
foot per minute but you will have to take into account additional features like
the shower, sink, toilet, bathtub in the room. The right size of the fan is
essential in the bathroom as too big a fan in a small room and vice versa is
equally unsatisfactory. The incorrect size will also result in the fan being
noisy which can get pretty annoying.
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