Humidistat Bathroom Fan Recommendations?

blup · 11 Oct 2018

It is worth getting a timer model either for the fan alone or linked to the light, half an hour overrun will get rid of the moisture/condensation in my experience. In line fans have the timers built in, but it's a pain to have to get in the loft to adjust the time (for example between summer and winter).

Blup

JP_ · 11 Oct 2018

How easy is it to change the wiring so it's attached to the light and on overrun?
That would be much better really. Easy loft access. Have a light switch on the wall outside the bathroom. Pull cord inside operates the current fan.

blup · 11 Oct 2018

Relatively easy if the fan is designed to work with light, would need to see the make and model though

Blup

EFLImpudence · 11 Oct 2018

blup said:
Relatively easy if the fan is designed to work with light, would need to see the make and model though

If connected to the light switched live, it will work with the light - the make and model make no difference.

AndyPRK · 11 Oct 2018

On the manrose.

I have the timer set to ~2 mins to help shift smells

And let the humidity sensor sort out the steam after showers (talking at least 10 mins )

STick220 · 14 Oct 2018

Do a web search for a Vent-Axia Svara, sounds like it might fit your needs. I have two and have been pleased with them. They have inbuilt sensors for light & humidity and you set up & control them via an app on your phone.

AndyPRK · 14 Oct 2018

Not that I'm really in favour of such things, but do tell us what you can do from the app?
Do you set the humidity level for the fan to start, rather than adjust on the fan ?

STick220 · 14 Oct 2018

AndyPRK said:
Not that I'm really in favour of such things, but do tell us what you can do from the app?
Do you set the humidity level for the fan to start, rather than adjust on the fan ?

Yes you can configure all settings of the fan via the app, which I found much easier than the little switch things on conventional fans:
You can configure the speed it runs during trickle ventilation, and when the light and humidity sensors are active.
You can switch any of the sensors off if required, as well as adjust their sensitivity.
You can set “silent hours” when the fan will only run on trickle ventilation so it doesn’t wake people up in the night if someone switches the bathroom light on, not that the fan is hugely loud to start with.
There is also a facility to allow the fan to do a full speed purge run every 24 hours which is supposed to completely change the air in the room.
At the top of the app screen there is a button to switch on a 15 minute “boost” if required.
You can set the name of the fan if you have more than one, I’ve called one bathroom and one shower room.
The fans connect to your phone via Bluetooth so you need to be in quite close proximity to them. I guess the app makes them much more configurable than a regular fan. I think that’s just about everything!

EFLImpudence · 14 Oct 2018

I don't have a fan in the bathroom. One is not necessary.

If you actually need one, there are more fundamental problems.

JohnD · 14 Oct 2018

EFLImpudence said:
One is not necessary.

Opinions differ. A hot, steamy shower delivers a lot of water vapour into the house.

You can remove it, or you can let it condense on cool surfaces and cause damp, if you prefer.

There are also many people who prefer a bathroom to smell fresh.

EFLImpudence · 14 Oct 2018

I did mean one is not necessary in my bathroom which is clear from the rest of my post.

JohnD said:
Opinions differ. A hot, steamy shower delivers a lot of water vapour into the house.

So? Unless there is too much already, it doesn't matter.

You can remove it, or you can let it condense on cool surfaces and cause damp, if you prefer.

Unless there are (more fundamental) problems, it will disappear on it own and not cause 'damp'.

There are also many people who prefer a bathroom to smell fresh.

How long does even the worst smell linger?

People expect a fan to cure problems; they do not.

JohnD · 14 Oct 2018

EFLImpudence said:
People expect a fan to cure problems; they do not.

If the problem is "excessive water vapour in bathroom" or "malodorous room" then yes, they can.

EFLImpudence · 14 Oct 2018

That's not what 'cure' means.

JohnD · 14 Oct 2018

You don't like fans, then.

In a bathroom, there's not much chance of preventing people having showers or voiding bodily fluids.

diynoob · 14 Oct 2018

I use the vent axia ones, they are very quiet. They do a humidstat version.

diynot

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Humidistat Bathroom Fan Recommendations?

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