What is the strongest bathroom extractor fan?

Vents Turbo Tube Pro Inline Duct Fan With a whopping 245m3/hr extraction rate it’s the most powerful 4 inch fan on the market. Mounted in the loft above the bathroom, this inline fan can be ducted from directly above the shower or bath.

How powerful does a bathroom fan need to be?

The rule of thumb is that you need at least 1 CFM per square foot of room area. To determine the square footage of your bathroom, multiply the length times the width. For example, if your bathroom is six feet wide and nine feet long, its square footage is 54. Therefore, it should have a fan rated for at least 54 ​CFM.

Do I need a more powerful bathroom fan?

A fan’s ability to move air is measured in cubic feet per minute (CFM). The bigger the bathroom, the higher the CFM rating you’ll need. A fan should have a CFM rating high enough to replace the air in your bathroom at a rate of eight times per hour.

How do I know what size bathroom extractor fan I need?

To work out the extraction rate, you need to calculate the cubic metres of the room you want the fan to go in. Do this using a measuring tape by noting down the height, width and length of the room in metres. Once you have this information, multiply the three figures together to get the size in cubic metres.

Do I need an electrician to install an extractor fan in my bathroom?

This type of job requires a professional electrician for fitting bathroom extractor fans as any electrical work in bathrooms is considered high risk due to the damp and humidity, but you will likely have to decorate yourself to finish the job.

Can a bathroom fan be too big?

The volume of air that a bathroom vent fan can move is measured in cubic feet per minute, or CFM. Standard fan sizing applies to bathrooms of 100 square feet or less. The general rule is that you need at least one CFM per square foot of room size.

What extraction rate do I need?

A good way to work out if the rate is right for your kitchen is to work out the volume of your kitchen (length x width x height) for e.g. 4m x 3m x 2.5m = 30m3. If your kitchen hood says 300m3 per hour, then it will filter your room 10 times per hour (300÷30=10) or once every 6 minutes.

Where is the best place to install an extractor fan in a bathroom?

Extractor fans work best when they are fitted as near as possible to the source of moisture in the air. For many people, this will be over their shower enclosure or bath.