This could be a good combo with the overrun timer; if there’s still a lot of moisture, even after the overrun, the humidity sensor will activate and complete the job. Do be aware, though, that the sensor won’t work as well if it’s dirty. Wipe it down every couple of months to ensure it works as intended. The fan is switched on and off by means of a switch (not included in the device) being a part of the electrical installation of the building, but it will turn off after the time set by a potentiometer on the PCB has elapsed. The minimum delay is 3 minutes, the maximum - 30 minutes. Time delay adjustment is smooth. Vent-Axia has really pushed the boat out with this brand-new model. Aside from shifting up to 39l of damp air per second, this bathroom extractor comes crammed with more sensor tech than any other model on the market. In fact, it has a sensor for everything, even odour. Yes, that’s right, when this clever little air mover detects a nasty smell, it either switches itself on or, if already running, speeds up the fan, returning the bathroom to its original sweet-smelling scent in a thrice.

The Envirovent SIL100T is a great all-round option and the most well-known brand. Reliable and well-built, this fan is easy to install and will work without you noticing it too much. We found the Best Humidistat Extractor Fan to be the Xpelair C4HTS. It is one of the most popular humidistat extractor fans on the market, runs quietly at just 16dB, has two speed options (15l/s and 21 l/s), features a run-on timer, and more! Are humidity extractor fans any good? A PIR motion sensor starts the fan if you move within 4 metres, so for my smallish bathroom it is always on. Can be a pro or a con depending how you see it. There aren't many silver extractor fans on the market so it's great that the one that is, is a really good one! 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! ..and on top of all that it looks great in a satin chrome finish.Our images show the satin silver /chrome effect as it appears in different lights from varying angles. This model comes in four variations, each with different extras like a Timer, Pull Cord and Humidistat. The variation with a Timer and Humidistat is the most expensive option, but one well worth looking into.The precise duration of the overrun is normally configured during installation, with most fans offering a range between 30 seconds and 30 minutes. 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. How much extraction you’ll need depends on how large your bathroom is, how well it’s already ventilated, and how many people will be using it. As extractor fans don’t use a massive amount of power, it’s best to go for the most powerful one available within your budget. Two speed options are available of 15 and 21 litres per second. 15 is the lowest extractors fans should be, so you have the option of increasing to 21 if you need more power or have a bigger bathroom. The Xpelair offers two speeds depending on how powerful you’d like it to be. This will vary on bathrooms size, and will have an effect on noise level. The slower the fan needs to work, the quieter it will be. The timer can range from 30 seconds – 30 minutes, again this setting will depend on how hard you need the fan to work.

The Blauberg 100 Quiet Style TH is the perfect solution for those looking for a powerful and stylish fan that won’t break the bank. German-engineered for quality and reliability, this fan boasts a powerful airflow extraction rate of 27 litres per second, making it perfect for use in toilets and bathrooms. This is the cheapest fan we’ve tested, and it holds up well against the competition. Granted, it has less features than others (no timer or PIR) so if those are essential then this isn’t the fan for you. The PureAir Sense comes with two spigots (or sleeves): one for standard 100mm installation and another for larger 125mm portals. The larger spigot is the one to fit if you want to benefit from its excellent 39l per second flow rate. That said, its standard 32l per second flow rate is still better than most and easily good enough for the majority of bathroom installations.You do have the option of turning it off, but if you allow moisture to build up for a long time, the fan may struggle to get rid of it all by the time you turn it on. If your fan has a humidity sensor, you may not be able to turn it off which could ruin your chance at a peaceful soak. Yes, it is highly recommended to get a bathroom fan with a humidity sensor. This type of fan can detect the level of humidity in the bathroom and automatically turn on and off accordingly. This is important because high humidity levels can cause mould and mildew growth, which can be harmful to your health and damage your bathroom. A bathroom fan with a humidity sensor can also help reduce moisture buildup, prevent condensation on mirrors and walls, and improve air quality. In addition, this type of fan is convenient and energy-efficient, as it only runs when needed. Overall, investing in a bathroom fan with a humidity sensor is a smart choice for maintaining a healthy and comfortable bathroom environment. 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. 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. Most of our recommendations below are intended for use outside of Zone 2, but the layout of your bathroom may dictate your options. If you want further reassurance, you can also look for fans with accreditation from the Noise Abatement Society. These products will be marked with the Quiet Mark, which is given to the manufacturers of the most silent products produced around the world.

The Xpelair C4HTS is a terrific extractor fan choice, coming in at 20 dB. Advertised at 16 dB we believe it’s closer to 20 dB, which is still the quietest we’ve tested. Until you have one, it’s hard to explain the difference a silent bathroom extractor fan will make. It sounds silly, but removing unnecessary noise really does make a difference, especially when trying to unwind from a hard day. Even if your fan doesn’t wake anyone, it might simply be an annoying sound. If you’re unwinding in the bath after a long day, the last thing you want is the drone of the extractor fan running. Most domestic bathroom extractors attach to a 100mm hole in the outside wall. 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. 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.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. 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. 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. How do you install a bathroom extractor fan? The LED is white and reflects off the fan well, especially if you go for a glass front. The PIR motion sensor and Timer are good, although are upgrades and don’t come with the cheapest model. A humidistat is a device that measures the level of humidity in the air. When it is installed on an extractor fan, it helps to regulate the amount of moisture in a room or space by automatically turning the fan on or off depending on the humidity level. When the humidity is high, the humidistat will activate the fan to remove excess moisture from the air, which can help prevent mould and mildew growth, reduce odours, and improve indoor air quality. The humidistat also helps to save energy by only running the fan when it is needed, rather than constantly running it at full speed. Overall, the addition of a humidistat to an extractor fan can help to create a more comfortable and healthy living environment. Should I get a bathroom fan with a humidity sensor? If you’re concerned anyone in your home might forget to turn on the extractor, then definitely consider getting a model that includes a humidity sensor. The sensor will detect if the bathroom’s humidity exceeds a certain level and automatically switch on the fan.