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Does anyone have a humidity controlled fan in their bathroom?
Are they a really bad idea compared to a simple timer arrangement? Seems like an overly complex solution to me.
Tradesman is currently trying to sell me one.
They're good if you do lots of showering in daylight with the light off (assuming the fan is on the lighting circuit and the fan self starts when humidity reaches a certain level) and there's little ventilation in the bathroom.
I did have one, works ok, but Humidistat (being inside the fan) can take a while to notice that it's humid and on very humid days, gets stuck on. Swapped for fixed timer run off light switch (but mainly as I moved the fan from the wall to the ceiling).
We had a humidity controlled one fitted to our en-suite last year. The plumber and the electrician both advised against it saying that it their experience they are erratic and often come on randomly. We got [url= https://www.tlc-direct.co.uk/Products/SLSD100CHZ.html?source=adwords&kw=&gclid=COrf7ZzC9MgCFQ26GwodwPEPrQ ]this[/url] one which had the option to run off the light switch if the humistat was indeed rubbish.
The reason for not having a light controlled one that if you go to the loo in the night and switch the light on the fan then stays on for a given time.
In the end it worked it's been really good, the only issue we had was the extractor ducting wasn't initially lagged so pools of water were collecting in the duct and randomly setting the fan off. As soon as the ducting was drained and lagged the fan worked as intended.
Sound like exactly what I want, cant stand fans that automatically come on every time you switch on a light especially at night.
I take it having the suction above the shower helps with the running?
Are the fans themselves (assuming axial in line) powerful enough to overcome a non return damper as well if I fitted one?
Are the fans themselves (assuming axial in line) powerful enough to overcome a non return damper as well if I fitted one?
You can buy all sorts from asthmatic to hurricane force....
bear in mind bathroom fans help remove nasty niffs as well as moisture.
you don;t want to have to flob on it the morning after a curry to clear the air.
Lol wwaswas
Cheers all, sticking with timer I reckon.
had one of these in my old flat - bathroom had no windows and was a bit manky. it stayed on 85% of the time, and since the bathroom was next to our bedroom was really really annoying.
the guy who installed it said it might stay on for a week or so while the humidity dropped at first. after 9 months it was still on and unsurprisingly starting to get noisy
Sound like exactly what I want, cant stand fans that automatically come on every time you switch on a light especially at night.
We just turn it off at night using the isolator switch.
If fitted a combined timer and humidistat one, xpelair I think, does the job spot on. You can adjust timer and humidity level to suit. Means it only rubs a very short time after say using the loo, but long enough to help dry the room out after a shower. One year in and no problems.
We have one that also comes on with the light. If we have the humidity sensor set too low, it turns off too soon. If we have it too high, it never turns off. That sweet spot in the middle was a pain to find.
We have the light over the shower on a separate circuit with the fan connected to that and then the other lights on a circuit that doesn't turn the fan on. The other lights are actually on a dimming pull cord switch, which is rather neat.