Vent-Axia has really pushed the boat out with this brand-new model. ![]() Vent-Axia PureAir Sense: The best odour-detecting bathroom extractor fan READ NEXT: The best shower heads you can buyĦ. ![]() Most of our recommendations below are intended for use outside of Zone 2, but the layout of your bathroom may dictate your options. Be aware that there are regulations governing where your fan can be located: if you want to put a fan in Zone 1 (the area within a shower or 2.25m above a bath) or Zone 2 (60cm from Zone 1), it must be a low-voltage SELV fan with a transformer, or an AC-powered model that’s IPX5-certified. If you don’t already have a fan, you’ll need to get in a qualified builder to make the hole and install the wiring. Before you remove the old fan, it’s a good idea to take a photo of its wiring for later reference – and make absolutely sure you shut off the mains power before you take the old one’s front housing off. If you’re replacing a standard-sized extractor fan, this hole will already be present and you should be able to install the new one yourself. Most domestic bathroom extractors attach to a 100mm hole in the outside wall. How do you install a bathroom extractor fan? A higher-quality fan should last longer, but if you value quietness then at some point you’ll probably need to repair or replace your fan. Even the cheapest fans are usually very quiet out of the box, but as the motor bearings start to wear – typically after about two years with low-end models – the blades can start to oscillate against the main housing, producing an annoying rattle in the process. In a survey carried out by ventilation specialist Vent-Axia, 40% of respondents said that they or their children had been woken in the night by a noisy bathroom fan. This sensor may need occasional cleaning, though, or the accumulation of dust or grime will hinder its effectiveness. ![]() This automatically activates the fan when the level of moisture in the air exceeds a certain threshold. The downside to these is that windy conditions can cause the shutter to clatter against the wall if your outlet is exposed to the elements, it may be better to simply leave the shutter off.įinally, if you think you (or anyone else in the house) will forget to turn the fan on, consider a model with a humidity sensor. Most fans also come with a backdraught shutter to prevent cold air from blowing in from outside. You might as well tend towards the latter end of the scale as the cost is very low: on average, a fan like this uses around 8W. The precise duration of the overrun is normally configured during installation, with most fans offering a range between 30 seconds and 30 minutes.
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