Posted by Sound Marketing on behalf of House Smart Home Improvements
Bathroom Exhaust Fans are Hugely Important....
When you have a hot
shower or bath this generates large amounts of excess steam and
moisture, generally you will notice the mirror fogging up straight away!
This steam and moisture will also collect on the walls and ceiling. If
there is no means of this excess moisture escaping you will most
certainly experience a build up of mold and mildew, which will have
adverse effects on your bathroom, both visually and potentially
structurally. Moisture will swell and rot wood, peel paint and wallpaper
from your walls and slowly deteriorate plaster or wallboard. It will
get behind tiles and begin to loosen them – basically inadequate
ventilation spells the beginning of the end for your nice shiny
bathroom!
Can't I just Open a Window to Ventilate my Bathroom?
No for a couple of reasons: firstly a open window will not provide the
same level of air circulation as an exhaust fan. Secondly, its not
always convenient to have a window open in the bathroom! You will be
glad you have your exhaust fan on those cold winter mornings for
example, or even on those rainy days! Not to mention the privacy issues
(not ideal in a bathroom). By mechanically pulling air from the bathroom you will noticeably
reduce the humidity level, therefore alleviating all of the problems
mentioned in the above paragraph.
How to Pick the Appropriate Exhaust Fan:
The primary concern is to ensure the fan is appropriately sized for your
room. A tiny little toilet will require a much smaller capacity fan
than a multi cubicle bathroom for example. The basic steps required in
picking out the correct exhaust fan are:
- Determine what variant of exhaust is required and how it will be mounted (eg wall, ceiling, window etc)
Calculate the area being exhausted in meters (Length x Width x Height). This will give you a figure in m3 (cubic meters).
- Multiply this with the number of air-changes required (8 for a
subfloor/meeting area, 13-15 for a bathroom/toilet, 15+ for smoke
exhaust). If you like to have long, hot showers or are concerned about
steaming up the bathroom then please use a figure of 20 – 30 air changes
per hour.
- Determine whether to duct directly into the roof space, duct out
through the roof or through a wall/eve. Most exhaust fans are ductable
and in an ideal world you would have all exhausted air going straight
outside via an external wall vent or roof cowl for example.
Need a Bathroom Fan Professionally Installed?
House Smart Home Improvements are experienced professionals with an A+ Rating with the Better Business Bureau. When it’s time to replace your windows, doors or furnaces and heat pumps, or to install insulation, and other energy-efficient home upgrades, give us a call. We do it the job right. 604-585-2020
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