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If you ceiling height is 2.4m (standard ceiling height for a commercial building) the amount of air you would need to extract for the fan to be effective would be 476m3/hr (132 l/s). The duct size you have would be to small for moving this amount of air. You would ideally need a minimum of...

Hi Jupiter, 1 x bend and 3m of duct is not a big issue, the size of the ducting may need to be increased depending on how air you need to move, for the extractor to be effective. Do you have any details on the fan currently installed? For the fan to be effective you want to generate at least...

The blanket itself would not cause the fan to fail, an inline fan for this type of application has air passing over the motor when its running and will provide adequate cooling, you could mount a concrete enclosure around the fan and it wouldn't cause any problems. The fan in my bathroom has...

There are a couple of things to take into consideration, the noise from a fan fitted in the ceiling would be greater than an inline fan, with the inline fan you are able to wrap a blanket around the casing to reduce the noise breakout form the casing and also fit a silencer before it to reduce...

sheds - sorry I'm a little lost on this one, what do you mean, the OP has asked a question and we've offered a solution, all we've then done is link to a solution, the OP is then free to use this information to either track the cheapest option locally or via the web, it also offers them all the...

Hi Ferret, Building regulations so say that you only need to extract 15 l/s of air to pass but if you wanted the extract to be affective we would recommend an air flow that would achieve a minimum of 10 air changes every hour. If you could confirm the size of your bathroom and the length of...

Can you confirm what room in the house the lantern is located in?

Sorry should have been clearer, I'm talking about building reg part f which includes bathrooms, advises a min level of 15l/s which for Most sized bathrooms is well below our suggested 10 air changes. As for continuous extract part f address it and the industry uses continuous in places Like...

Couldn't agree more Taylor, only thing I would add is don't get too worried about the timer length if the fan is wired into your lights most people don't instantly leave the bathroom as soon as they finish the shower meaning most of the moisture / humidity is gone by the time you've left the...

There's a lot of people selling these fans on eBay or you can buy direct from vent axia or any of their distributors, I'm here to free independent advise, personally I think humidistats are a waste of time, but if someone wants one I'll try and help

You fit the fan you set it up - if you don't feel the setup is working for you your change the set up. The fan answers all the questions asked and gives the functionality asked - no it's not an electrical solution but it's the simplest solution imo. Gimmick today norm tomorrow. A question is...

Hi What your trying to do is a little Complicated and even if you set it up to function as you want it, you probably won't use it as you've set it up anyway. I would suggest a vent Axia svara, it doesn't have a pull cord, it it does have Bluetooth connectivity and has all the functions you...