Bath Fan With Humidity Sensor: Review & Recommendations

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Welcome to our large bathroom fan with humidity sensor test 2020, where we present all the bathroom fans with humidity sensor that we have tested in detail. We have put together detailed background information and also added a summary of the customer reviews on the web.

We want to make your purchase decision easier and help you to find the best bathroom fan for you.

You can also find answers to frequently asked questions in our guide. If available, we also offer you interesting test videos. You will also find some important information on this page that you should pay attention to if you want to buy a bathroom fan with humidity sensor.

The most important facts in brief

  • A bathroom fan ensures that the climate in your bathroom remains stable by removing moisture. It prevents the formation of mould and bad odours.
  • The size, the type of installation, the power and the volume are important criteria according to which you should choose your new bathroom fan.
  • Bathroom ventilators with humidity sensor are available on a small budget. There are many additional features that can make life with your bathroom fan even more comfortable.

Bathroom fan with humidity sensor Test: Editors’ favourites

  • The best bathroom fan with humidity sensor for little money
  • The best all-round bathroom fan with humidity sensor

The best bathroom fan with humidity sensor for little money

This bathroom ventilator with humidity sensor is comparatively inexpensive and easy to use, yet it offers a fair price-performance ratio.

The connection has a diameter of 100 millimetres and has a Silent System. The Silent System is primarily intended to ensure that the device functions as quietly as possible.
It is precisely this feature that customers particularly appreciate about this bathroom fan with humidity sensor, namely its quiet ventilation. Customers describe its operation as “barely audible” and “smooth”.

With 4.4 watts and integrated timer, this product is the right one for you if you are looking for an affordable bathroom fan with humidity sensor that can be mounted on the ceiling or on the wall.

The best all-round bathroom fan with humidity sensor

This bathroom fan with humidity sensor from Europlast is a good, medium-priced product for many customers. This bathroom ventilator can be mounted on the wall or on the ceiling.

This bathroom fan with humidity sensor has a diameter of 100 millimetres as well as a timer and a follow-up control. With a motor noise of 39 decibels, it is comparatively quiet and does not disturb you when showering or relaxing.

Customers particularly appreciate the easy installation of the product and the low noise level.

Guide: Questions to consider before buying a bathroom fan with humidity sensor

What is a bathroom fan with humidity sensor?

A bathroom ventilator with humidity sensor in a usually small electrical appliance that you can install in your bathroom. Your bathroom fan with humidity sensor switches on automatically when the humidity exceeds a pre-defined threshold.

The humidity sensor of your bathroom fan often has an automatic on/off switch. This has the advantage that the humidity is measured automatically. So you don’t have to estimate whether the air is already so moist that a window or door needs to be opened, or dry enough to close it again.

Bathroom ventilators with humidity sensor are therefore mainly used to keep the bathroom odourless and dry with less work.

If your bathroom is damp and you close your window (if you have one at all) for safety reasons, the moisture from the air has plenty of time to penetrate your wallpaper and masonry and cause any damage. In addition, an open window can cause your bathroom to cool down considerably, especially in winter, or cause massive heating costs.

What does a bathroom fan with humidity sensor cost?

The price range for bathroom fans with humidity sensor is very wide. This depends on many different factors, such as material, room air circulation and volume.
An inexpensive model for beginners with low requirements for the device can expect a price between 25 and 60 euros. Here the basic functions are listed and the device fulfils its purpose.

However, if you have higher requirements for your bathroom fan with humidity sensor, you should choose a higher priced product. Depending on the equipment, you can expect between 60 and 150 euros. The prices refer to the product itself, installation is not included.

In addition, there are of course no upper limits; there are many innovative products that can even be linked to smart homes.

How do I use a bathroom fan with humidity sensor correctly?

First of all, it can be said that a large part of the correct use naturally depends on the device itself. What you should still pay attention to when you buy a bathroom fan with humidity sensor can be found here.
First of all, the correct installation of your bathroom fan is very important. All connections must be correctly fitted and the diameter of your new appliance should be the same as the diameter of the exhaust pipe. Then you can put your new bathroom fan with humidity sensor into operation.

Please read the operating instructions of your bathroom fan carefully. This will ensure that you do not take any risks and that you get the best results.

Most bathroom fans can withstand a certain amount of moisture, but they should not get wet, so the location of your bathroom fan is also important. Finally, regular checks of your bathroom fan are advisable. You should also refer to your instructions for this.
Cleaning the bathroom fan with the humidity sensor prevents damage and ensures the consistent quality of the room ventilation.

Where can I buy a bathroom fan with humidity sensor?

Bathroom fans with humidity sensor are available in DIY stores as well as in many online shops. You can also ask your local retailer for bathroom fans with a humidity sensor.
According to our research, most bathroom fans with a humidity sensor are sold through these online stores:

amazon.com
ebay.com
luftking.com
bauhaus.info

All bathroom ventilators with humidity sensor that we present to you on our site have a link to at least one of these shops. If you have found a bathroom fan that you like, you can strike immediately.

What alternatives are there to a bathroom fan with humidity sensor?

Because some customers find the installation of a bathroom fan too complex, dehumidifiers are often used as an alternative. In most cases, however, dehumidifiers are not as effective as bathroom fans with humidity sensors.
Unlike bathroom ventilators, dehumidifiers are usually not permanently installed, but simply connected to a power outlet and switched off with a power cable. This means that dehumidifiers require more space, but are easier to install. Dehumidifiers are therefore usually placed on the floor, which represents a high safety risk because they must not get wet.
It is particularly important that dehumidifiers do not cause a short circuit and possibly cause a great deal of damage, which is why their use is not recommended, especially in small bathrooms.

Dehumidifiers must be skimmed, which means that you must empty the water that this appliance draws from the air out of the container. This is not necessary for a bathroom fan with a humidity sensor.

Purchase criteria: These are the factors you can use to compare and evaluate bathroom fans with humidity sensors

  • Size (diameter)
  • Installation type (wall, ceiling, window)
  • Room air circulation
  • Electricity connection and consumption
  • Volume
  • Additional functions

Size (diameter)

If you already have a ventilation shaft in your bathroom, the bathroom fan with humidity sensor must of course match the air duct. Make sure that the diameter indicated corresponds to the diameter of the exhaust pipe. Most bathroom ventilators with humidity sensor are available in the four common diameters of 100 mm (indicated as DN 100), 125 mm (DN 125), 150 mm and 80 mm.

If you are unsure about this, you can of course measure yourself or get advice from the local DIY store. Basically, of course, a larger diameter means that more air can be removed. However, bathroom fans with humidity sensors often do not use the full volume.

Therefore, it is first and foremost important that the diameter of the air shaft and your bathroom fan match.

Installation type (wall, ceiling, window)

To find the right bathroom fan with humidity sensor, you need to know where to place it in your bathroom. You can choose between wall mounting, ceiling mounting and window mounting. This is especially important as many bathroom fans with humidity sensor only support one of the mounting methods.

Here, of course, it is decisive where your exhaust air shaft is located. If you are unsure, you are welcome to ask your landlord or seek advice at your local DIY store.

There are also some tutorials on YouTube for the installation of bathroom fans, here you can choose the right one for your type of installation.

Room air circulation

A very important criterion for selecting a bathroom fan with humidity sensor is the so-called room air circulation. The room air circulation of the fan should match the size of your bathroom. The value of the room air circulation indicates how much air per hour can be exchanged by the fan.

Experts recommend a room air circulation of ten times the volume of your bathroom per hour. You can calculate the room volume by multiplying the height, width and depth of your room in metres. The room volume is then expressed in cubic metres.

Electricity connection and consumption

To make the installation as easy as possible, you should pay attention to the power connection. You should also pay attention to the power consumption, which is a major part of the maintenance costs of your bathroom fan with humidity sensor.

If you are looking for a bathroom fan with low power consumption, you should pay attention to the performance of the fan. The performance of bathroom fans is expressed in watts. The higher the wattage, the higher the power consumption of your bathroom fan with humidity sensor.

Of course, the performance can be seen in the room air circulation, because a higher performance usually means that more air can be transported through the bathroom fan. In other words: Bath fans with a high output and a high air circulation need to run less time to have the same result as a bath fan with a lower output, but which runs longer.

Volume

Since your bathroom fan with humidity sensor will also run when you use the bathroom, many customers find it very important to keep the volume as low as possible, because loud devices could interfere with your relaxation.

As a clue, you can remember the value of 25 decibels, and bathroom fans work almost silently. The information on volume usually only refers to the motor of the bathroom fan with humidity sensor. The airflow caused by the fan naturally also causes noise, which you should take into account.

Some models are fitted with ball bearings to ensure quiet running.

Additional functions

Especially bathroom fans with humidity sensor from higher price segments have additional functions or more detailed setting options. Here we introduce you to some possible additional functions.

For example, a bathroom fan with humidity sensor may have a switch-on delay. This means that the bathroom ventilator does not start to work as soon as you enter the room, but only after a certain time delay. This is because the room is often not damp as soon as you enter it, so the bathroom fan with humidity sensor saves electricity.

Some bathroom fans are connected to the light switch in the bathroom, so the bathroom fan is switched on and off. Higher priced models often have a run-on, which means that even after leaving the room, the bathroom fan continues to work for some time to keep the room as dry as possible. Ideally, you can even set the overrun time on the appliance itself.

Most of the time, the more expensive your device is, the more accurate and larger the scale will be and the smaller the increments will be. This means, for example, that you can adjust the humidity level more precisely.

In addition, a manual on/off switch can be advantageous if less or more air circulation should be required individually. This can be done using buttons on the unit or a remote control. A remote control seems convenient, but you have to remember to change the batteries regularly.

Trivia: Worth knowing facts about bathroom fans with humidity sensor

How safe are bathroom fans with humidity sensors?

When installed and used correctly, bathroom ventilators with humidity sensors are relatively safe. One drawback is that most models cannot tolerate direct moisture, so you should be careful not to place your bathroom fan right next to your shower or bathtub.

Otherwise, bathroom fans are well equipped against moisture and heat. Installing a bathroom ventilator with a humidity sensor prevents mould, but is still no guarantee for a mould-free bathroom. In this short documentary from Bayrischer Rundfunk, you can see how mould can develop in general and what the consequences are.

How do I clean a bathroom fan with humidity sensor?

It is important to clean your bathroom fan with humidity sensor as it significantly reduces the risk of damage and ensures good quality air circulation.

Cleaning should take place every three to six months, depending on the frequency of use. The filter in your bathroom fan should be replaced once a year. Detailed cleaning instructions should be included in the manual of your appliance.

Otherwise you will find rough instructions here: The cover of the bath fan is removed; dust and residues can now be removed with a hand vacuum or a damp cloth. All internal parts of the bath fan should also be wiped off.

Make sure that the bathroom fan is not connected to the electrical circuit. Now remove the filter and wash it out (by hand) or tap it out; if the filter is porous, it must be replaced by a new filter.

How long can I use a bathroom fan with humidity sensor?

Basically, with proper cleaning you can use your bathroom fan forever. However, you should replace the internal filter every year. Of course there is also little wear and tear on the individual parts and

Who owns the bathroom fan with humidity sensor in a rented flat?

This is a frequent dispute between tenant and landlord – who has to pay for damage to the bathroom fan? The following applies: if the bathroom fan was already present when the tenant moved in, it is part of the rented apartment as a fixture, so the landlord is responsible.

However, it is a matter of interpretation whether the tenant has contributed to the damage by using the bathroom fan. If there is no wilful destruction or pollution, the landlord is usually responsible.

In order to avoid such disputes, more precise details can also be noted in the rental agreement or in the handover protocol.

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