Extractor Fans: How Do They Work? (+ More)

Do you know how extractor fans work? You might be surprised by how much thought and engineering go into making these devices effective at removing unwanted air from a room. In this post, we take a look at the basics of extractor fan design and operation, as well as some of the myths that surround them. We also highlight some of the best uses for extractor fans and share a few tips on how to get the most out of yours. Read on to learn more!

Ventilating your home

Maintaining a clean and healthy home is essential for both physical and mental well-being. Without proper ventilation, the air in our homes can become polluted with dust, bacteria, and unpleasant odours, which can cause allergies, respiratory issues, and even headaches. Ventilating your home is one of the best ways to keep it healthy and fresh. One of the most effective tools for this purpose is an extractor fan. These powerful fans remove contaminants from the air by drawing them into a filter, leaving your home clean and fresh.


Additionally, their fast-spinning blades create a current of moving air that helps to reduce humidity levels, preventing mould growth and keeping you feeling cool and comfortable on hot days.

What does an extractor fan do?

An extractor fan is a device that is commonly found in modern homes and businesses. This handy piece of equipment plays an important role in helping to control indoor air quality by drawing in stale, polluted air and releasing fresh, clean air back into the room. An extractor fan does this by pulling large volumes of air through its blades, which are specially designed to maximise airflow.


As the blades spin, particles and moisture are removed from the air, leaving it cleansed and refreshed. Because of its ability to improve indoor air quality, an extractor fan is an essential component of any building that relies heavily on ventilation. Whether you are trying to keep your office or home comfortable and healthy year-round, or just need a quick fix during allergy season, an extractor fan can help you achieve your goals easily and effectively.

Why are extractor fans important?

Extractor fans are an essential component of any modern home or office building. These powerful machines work to remove stale air from your living space and replace it with fresh, oxygenated air. This prevents the buildup of pollutants, dust, and other particles that can be harmful to your health and well-being. Factors such as ventilation, temperature control, and indoor air quality are all tightly linked to the proper functioning of extractor fans, making them critical for maintaining a safe and healthy environment.


Whether you live in a city with high levels of smog or in a drier climate where airborne particles can become more concentrated indoors, extractor fans are an important tool for keeping your home clean and comfortable. So if you want to protect your health and keep your living space comfortable all year round, investing in quality extractor fans is an absolute must.

Large ensuite bathroom without extractor fan

What happens if your bathroom doesn’t have an extractor fan?

If your bathroom does not have an extractor fan, it can be a recipe for disaster. Without adequate ventilation, your bathroom can quickly become steamy and unpleasant. The excess moisture from showers and baths can lead to the growth of mould and mildew, which is not only unsightly but also unhealthy. Not only does mould pose a risk to your bathroom fixtures and surfaces, but it can also harm your respiratory system if you are constantly exposed to it.


Furthermore, the warm, damp environment created in bathrooms without extractor fans provides the perfect breeding ground for unpleasant odours. To prevent these issues from arising, it is essential to install a bathroom extractor fan that can effectively pull away moisture and air from the room. With proper ventilation in place, you can enjoy your bathroom worry-free every day.

grey and white kitchen with extractor fan

Extractor fans in kitchens

Extractor fans are an essential component of any kitchen. These devices are used to remove kitchen odours and excess heat, helping to keep the space comfortable and fresh. They do this by drawing air in through one side and pushing it out the other, using powerful motorised blades to move large volumes of air quickly.


In addition to making kitchens more pleasant places to be, kitchen extractor fans also help protect against the buildup of harmful fumes from cooking oils and other sources. By removing combustion-related chemicals from the kitchen, these systems not only keep our kitchens clean but can also help to improve our overall health. So if you are looking for a way to enhance your kitchen experience, consider investing in a high-quality kitchen extractor fan today. With its ability to improve both comfort and health, this investment is sure to pay off in the long run!

Different types of home extractor fans

There are many different types of home extractor fans available on the market today. These fans help to keep the air in our homes fresh and free from odours and moisture that can accumulate over time. One popular type of fan is the ceiling-mounted variety, which can be easily installed in a central location to draw moisture and odour-causing particles up and out of the room.


There are also portable extractor fans, which can be moved throughout the house as needed to target problem areas like kitchens or bathrooms.


And, finally, there are horizontal window-mounted extractor fans, which work by pulling air through small slits at the base of a window frame. Regardless of your needs, there is sure to be an extractor fan that will suit your home perfectly. So why not invest in one today and start breathing easier?

Ducted vs non-ducted extractor fans

There is no doubt that extractor fans are a key component of any modern kitchen or bathroom. These devices help to keep indoor air clean and fresh, removing excess moisture and odours from the air. However, there are two main types of extractor fans: ducted and non-ducted.


Ducted fans have their discreet ventilation system, typically built into the ceiling or walls, while non-ducted units are connected to a standard household vent via flexible pipes. Though each type has its advantages and drawbacks, in my opinion, the best choice for most homeowners is a non-ducted extractor fan. This type of fan offers more flexibility in terms of placement and design, making it suitable for almost any space.


Additionally, many non-ducted units are also energy efficient, using less power than comparable ducted models. Ultimately, then, when it comes to choosing an extractor fan for your home or business, a non-ducted unit is likely the best option for you.

How much power does an extractor fan need?

There is no one correct answer to the question of how much power an extractor fan needs. This is because numerous factors can impact the amount of power required by a fan, including the size and shape of the space in which it is being used and the level of airflow that has been set. Some fans may also require more power if they have dampers or other advanced features. Ultimately, it is best to consult with an expert when trying to choose an extractor fan, as he or she will be able to take into account all of these variables and recommend a fan that provides optimal performance.
However, in general, most extractor fans need somewhere between 250-500 watts for effective extraction. So if you are looking for a reliable fan for your home or business, be sure to invest in a model that provides sufficient power. After all, a high-quality fan can make a big difference when it comes to ensuring your indoor air quality and comfort!


In conclusion, extractor fans are an important part of keeping your home or office running smoothly. By understanding how they work and taking some simple precautions, you can ensure that your extractor fan is working as efficiently as possible and keeping you safe from potential problems. Have you ever used an extractor fan before? If so, what tips would you add to help others get the most out of theirs? Let us know in the comments!

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