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The precise duration of the overrun is normally configured during installation, with most fans offering a range between 30 seconds and 30 minutes. Your kitchen extractor fan is responsible for removing smoke and smells from your home, but that doesn’t mean it can’t look great too! As well as sucking away any unpleasant odours, it removes moisture from the air after a shower or bath, which can otherwise lead to long-term damage, especially if your bathroom doesn’t have an outside window. While other design ideas, like your kitchen cupboards, worktops, and sink, have a significant impact on your overall finish, so too does the cooker hood you select. There aren't many silver extractor fans on the market so it's great that the one that is, is a really good one!
Still, it’s an amazing performer, and comes in a choice of silver, anthracite and sandstone finishes. The larger spigot is the one to fit if you want to benefit from its excellent 39l per second flow rate. Most of our recommendations below are intended for use outside of Zone 2, but the layout of your bathroom may dictate your options. To help you, here’s our guide to choosing the perfect fan, plus our recommendations for high-quality extractors that are affordable, easy to fit and effective at drawing out stale air.
It draws through 26l of air per second – five litres more than most – and comes with an overrun timer that can be set for up to 30 minutes. Set it to the lower speed when installing and it’ll pump out 15l of air per second at a near-silent 14dB – or, if you need more thorough ventilation, you can select full speed for throughput of 21l per second (although the volume goes up to a fairly audible 26dB). The PureAir Sense comes with two spigots (or sleeves): one for standard 100mm installation and another for larger 125mm portals. The EnviroventSIL100ST delivers on every front: It's really powerful - delivering 95m3/hr air flow, virtually silent - operating at just 25dB(A) and energy efficient - consuming just 8w!
Unlike most air extractors that require their overrun timers to be preset during installation, this one is fully controllable at any time either via the opaque interface on its fascia or a Bluetooth-connected app (for Android and iOS).Most domestic extractors pull through about 21 litres of air per second, which is plenty for an average-sized bathroom or shower room.
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.
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.
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