Bathroom Extractor Fan Ducting Length

For this simply multiply length ft width ft height ft.

Bathroom extractor fan ducting length. In order to make the vent fan as quiet as possible mount the fan itself as far as possible from the intake register in the bathroom. If your bathroom is 100 square feet or less you will need an extraction rate of at least 1cm3 per square foot of room area. High performance ceiling extractor fan kit with an integrated light. These are low pressure fans and a general rule of thumb for these is to use no more than 1 5 metres of ducting.

The first thing you ll have to figure is the size of the bathroom. It pretty much starts off vertical for around 1 meter and the ducting continues along the ceiling of the loft and eventually out through the eaves. Length of extractor fan ducting. Is there a limit to when an extractor fan becomes useless due to the length of ducting it has to expel air through.

It is generally a good idea to get a fan with a little more power than is required. The one fan 100mm wall fan in the downstairs toilet vents into to a round duct some waste pipe looks smaller than the usual 110mm which then goes up to the roof and into a branch about 3 4meters. An axial fan has a fan blade like a ship propeller. Provides maximum additional protection from electrical shock surface mounted bathroom fan suitable for long duct runs of up to 10m of 100mm ducting with adjustable humidity and timer functions for maximum automatic condensation control.

Electrical lighting. The shower room has no door just an l shape into shower from bedroom. So for example if your bathroom is 54 metres square you will need a 54m3 hr fan. 5 oct 2005 messages.

Filter results clear all category. Ideal for connecting to extractor fans cooker hoods and other 150mm diameter systems. Bathroom fans for long duct runs view all. Discussion in building regulations and planning permission started by deansplit 7 aug 2010.

The company does not cite a maximum exhaust duct length. This will give you the size of the room in cubic feet. Fantech recommends a minimum of eight feet of insulated flex duct between the exhaust inlet register or grille and the fan motor. The ducting goes through the loft at a run of approx 5 meters.

Duct length more than 3m. For longer runs a centrifugal type fan should be considered. 3 mtr duct kit suitable for internal bathrooms wc s or installations above showers 90 38 inc vat hc115bbk.