You may find black mould in the grout between your tiles or sealant around the bath and sink. Mould can be a health hazard for those with respiratory problems, such as asthma. Welcome to Viessmann United Kingdom! It looks like you might not be in the UK? The products and services presented on this page may not be available in your country; find your local Viessmann website below.
Viessmann United States. Answer a few questions and find the heating system that's best for you. Find a product, get a quote. How to Bleed a Raditor. Watch the Video. Product Registration. Find a new boiler. Heating Advice. Homeowners Professionals.
How to calculate extraction rate. Find a new gas boiler. What is an extraction rate? How to work out extraction rate What extraction rate do I need for my bathroom fan? The best way to do this is to calculate the extraction rate. Get your free consultation on a new heating system. Proper bathroom ventilation will not only limit condensation, but it will also help prevent the appearance of mould and mildew, which may in itself lead to nasty health implications.
Excess build-up of mould can lead to unsavoury respiratory problems such as asthma, as well as skin complaints, including rashes.
Appropriate bathroom ventilation also prevents any premature wearing of your bathroom itself, such as bathroom accessories , paint and plaster. All bathrooms require some source of ventilation, whether this is in the form of a bathroom extractor fan or an openable window. However, this is a lengthy and in-depth document that is a pretty heavy read for the average homeowner!
So, to save you the headache of sifting through the official document, here are the essential requirements you need to know…. You might be wondering what the last point means.
It is pretty much standard for bathroom exhaust fans to meet these requirements, though it should be stated in the product description of your fan; check before you choose it. If you have an old bathroom with only a window as a source of ventilation, it might still be a good idea to provide extra ventilation.
If, for example, mould or dampness are persisting issues, a fan can help reduce their effects. A bathroom extractor fan is the easiest way to ensure that your bathroom meets air ventilation requirements.
However, they also have benefits beyond your legal regulations. The main benefits of installing an extractor fan are:. If you have a wet room , you will find a bathroom fan especially useful. This is because water and steam can more easily disperse around the room and wreak their havoc! Installing a suitable form of ventilation ensures you can enjoy your bathroom at its best for as long as possible.
Read more: How to Remove Bathroom Mould. When it comes to choosing your bathroom fan, you may be wondering where to begin with all the different types available on the market. Which one is best to buy for your bathroom? There are a few different types of extractor fan for you to be aware of.
The most common are:. You might also hear of inline fans. These are usually fitted in the ceiling and can be used for extra-long distances of 40 metres or more.
This also means you will need a more powerful fan - usually a centrifugal fan. However, the most common type of extractor fan typically found in homes is the axial fan. This size refers to the size of the impeller the revolving part inside the extractor fan that sucks the air out. In order to know what size bathroom exhaust fan you need, refer to the cm3 cubic metres squared measurement of your fan. If you buy them as separate items, when one becomes faulty you only need to replace that part, thus saving money.
Menu Search. Login Register. How to select a Bathroom Fan First you need to measure the size of your bathroom. In this example the amount of air that should be extracted from the bathroom is: The only things left to consider are Price Design Noise Extra functions e.
Price — remember most of the time you get what you pay for. Environment — Legislation requirements for fans such as Part F and Part L now mean bathroom fans are available to suit every environmental need. These include Low carbon and Low voltage as the major options.
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