The SILENT in-line fan can be connected to any point on the ventilation duct, without loss of performance.

100 Silent Dual - Extractor Fan World Envirovent SILDUAL-100 Silent Dual - Extractor Fan World

It’s also quite a bit louder than most standard fans, and it may require some chipping away of your stonework to get it to fit properly.Available in two versions, the standard model is fitted with a single-phase two-speed motor which is controlled by either a 2-speed selection switch or by a 100% speed controllable, operated via electronic voltage regulating speed controller. It's well worth paying slightly more for this fan rather than opting for a standard or budget model. 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. Fitted with motors mounted on silent elastic blocks, the Silent 100 extractor fan delivers incredibly quiet running and exceptional performance with stylish features. For smaller restricted spaces, the SILENTTUB 100 offers the perfect solution, without any compromise on performance.

Silent Fans | Ventilation | Screwfix Silent Fans | Ventilation | Screwfix

The cover can be removed by firstly pushing the small reseeded retaining point on one of the edges of the extractor fan, then slowly unclipping the rest of the cover with a small flat screw driver. The precise duration of the overrun is normally configured during installation, with most fans offering a range between 30 seconds and 30 minutes. It also comes with an overrun timer function and an option for continuous use at a wide range of flow rates, from 10 to 15l per second. The Swarovski Silent Design 100 extractor fan from EnviroVent is designed to solve ventilation problems in bathrooms. In automatic mode, the over-run timer calculates the amount of time to operate, depending on how long the fan has been running for.Programming it is rather confusing because its humidity and odour sensing functions won’t kick in unless the humidity increases or it detects a smell, which makes it quite tricky to tell if it’s been set correctly. 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. 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). However, the consumer who has just spent a small fortune on a fabulous bathroom with a trendy walk-in shower will require something extra special that is pleasing on the eye.

VENTS 100-SILENTA 100 Silent A Bathroom Extractor Fan Energy

A reverse-flow shutter, meanwhile, keeps outside draughts at bay; this can flap against the outside wall in windy conditions, but overall the QF100TX5 is an effective fan that’s ideal for tight budgets. The timer version is fitted with a single-phase 1-speed motor; the electronic adjustable timer can be set between 1 and 30 minutes. No, this is Hydroscopic tape, it is to protect the sensor from moisture, but will allow vapour through.

Fitted with motors mounted on silent elastic blocks, the fans deliver incredibly silent running and exceptional performance with stylish features. Range of 4 domestic axial extract fans for wall, window or ceiling installations, designed to solve ventilation problems in utility rooms and bathrooms.