Removing steam and moisture from bathrooms and laundries is an important consideration in any build. The exhausts we fitted in the downstairs bathrooms are totally insufficient so we did some research before buying the upstairs models. (And we're going to need to replace those downstairs) We discovered an Australian online company called Pure Ventilation that provided the easiest "How to Choose an exhaust Fan" information, and they have an online store. We ordered Thursday night and accepted delivery Friday afternoon. The exhaust was installed this morning and the ceiling sheeting continues. Yippee!!!!
Adequate ventilation requires an understanding of the room's capacity (or airflow). To do this, calculate the area of the room you wish to install the ceiling exhaust fan (Length x Width x Height). Then multiply this number by the number of air changes required (approximately 10 for a standalone toilet and 15 for a shower.) Use this cubic metre capacity to choosing an appropriate exhaust unit.
Discoveries like this make getting it right so much easier. I think I'll start a 'Links' page, compiling some great sources we've discovered.
Have a great Weekend!
x KL
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Thanks for that!!!
ReplyDeleteDoes it matter whether the unit is installed in the centre of the bathroom or right above the shower?
B
It depends on where your source of inflowing air is B. We usually install over the showers. Here's some more information:
Delete"For an exhaust fan to perform at maximum efficiency, it’s vital that the exhaust fan has access to a balanced airflow: the volume of air being exhausted by the fan must be matched by that flowing into the room. The best source of this in-flowing air is fresh air either from a window, vent or grille in a door or exterior wall. It’s important to position the exhaust fan opposite the source of in-flowing air to encourage a cross-breeze that is essential to clear vapour and odours. If you have no air entering your room the exhaust fan will be unable to extract any air. For ventilation of bathrooms with a shower it’s recommended to use a ducted in roof mounted exhaust fan. This allows the extract grille to be installed directly above the shower for maximum efficiency whilst maintaining electrical safety with the fan being remote from any water spray."
Thanks for that.
DeleteDo people really open their bathroom windows in winter though????
B
I don't think it needs to be a window. The bathroom door can provide an airflow through a vent, gap or slightly ajar door. It makes sense though and this reading has made me realise our downstairs bathrooms need door vents and bigger capacity exhausts!
Deletex KL
Thanks <3
DeleteWe've got a 3 in 1 in the middle of our ensuite, but I don't think it is powerful enough for the size of the bathroom. Will need to install another one directly above the shower before winter comes along... Must not forget, must not forget...
B
I know what you mean B. The tastics work really well in the average sized bathroom but aren't adequate in a larger room or if the ceilings are higher. We installed exhausts downstairs that were recommended by our electrician and we may as well have had nothing! Life's a learning curve! x KL
DeleteGood info K, ventilation is so important, as anyone knows that has used an inadequately ventilated bathroom (and dealt with the mould). Have you looked at infolink for information http://www.infolink.com.au/ ? It's for Architects and Construction industry people, and has a lot of leads to supply companies etc. Can take a while to wade through everything, but is a great way of sourcing or finding information on products. xx
ReplyDeleteThanks for the link Heidi! I agree, this website can be overwehlming but great for those with lotsa patience!
Deletex KL
Good idea to do some research before buying an exhaust fan! Otherwise, you would have had a hard time finding the right one for your bathroom upstairs. This information here should be useful for people who are looking for the right kind for their homes. After all, air ventilation is important because it can prevent mold and bacteria from breeding and posing a health risk to the family.
ReplyDelete