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Extractor Fans – How do you choose?

There are so many different types of extractor fans – how do you choose the right one for you?

It all depends on where you are going to put it…

Axial fan

This is the most common type of fan and usually the least expensive. There are a variety to choose from, including some very stylish models, and they are usually less bulky in appearance.

However, they only operate on short ducting of around 1 metre, so are suitable for venting out of walls. They are not particularly effective when ceiling mounted as the ducting is not long enough, which leads to a build up of condensation. This turns to mould, leading to the destruction of the fan, and water marks on your ceiling. Left untreated, it can also affect the floor beneath the fan.

Centrifugal fans

These operate on longer ducting so are suitable for wall or ceiling mounting, making them a more flexible choice, particularly as they are usually robust and reliable. They are more expensive than the axial fan, and tend to be larger, making them more obtrusive.

In line fans

This type of fan is usually located in a loft space, and operate well through longer lengths of ducting. Their location means the noise is less obtrusive, and, because you can’t see it, you can choose a larger model with more extraction power.

On the downside, if the fan fails you have to access the roof space to replace it. They are also the most expensive fan type.

12 volt fans

This refers to the power, or voltage, of the fans – both axial and centrifugal fans are available in this voltage. They are ideal for baths and showers, because their reduced voltage means you are unlikely to get an electric shock, should an incident occur.

However, these fans usually have a bulky transformer which needs to be accessed for maintenance, making them rather unsightly.

Cost is one of the biggest factors in fan choice. You do get what you pay for – the more expensive options tend to be more reliable and make less noise. With the exception of in line options, which are the most effective, the fans all have similar extraction capabilities.

If you would like to discuss having fans fitted or replaced, please contact us on 01784 558 758


Central Heating and Hot Water – Wiring problems

If you have problems with your central heating or hot water, the chances are your default first step is to find a plumber. Whilst that makes perfect sense, we could save you some money and fix your heating… When should you speak to us? If your central heating gets stuck in the on or off… Read More


Outdoor Lighting – What’s possible?

Outdoor lighting has come a long way in recent years. There are some very exciting innovations that make life easier for you, and light up the exterior of your home and garden really beautifully. Given the time of year, before we discuss lighting in more detail, we just had to cover off… Christmas decorations To… Read More


Recessed downlights – LED or Halogen?

We are often asked about the best choices for recessed downlights – also known as recessed spotlights. So, we thought we’d share some advice… Recessed halogen spotlights: Halogen lights have been around for some time now. They are usually low voltage, requiring a transformer, which adds to the cost and fitting time. We see a… Read More


What should you look out for when buying a new home?

Rather than facing unexpected bills, just after moving in, would you like to know what to look for when viewing properties, prior to buying? Here are some simple things for you to look out for: Consumer unit/Fuseboard Does the unit have circuit breakers or old fuses? You will see switches on the front, if circuit… Read More


How to prevent electrical fires

Worried about your house when you go on holiday? Check out our quick and easy tips for preventing electrical fires Summer is finally here which means the temperature is rising, the evenings are longer and for many of us, it’s that time of year where we jet off for a week or two for a… Read More


Lighting Tips to guarantee perfect make up every time

Confused why you look great in one mirror and not the other? It’s all down to the lighting… Are you sick of spending ages perfecting your look only to step out the house and realise your foundation is completely the wrong shade, you put on a lot more eyeshadow than you realised or that lipstick… Read More


The Benefits of LED Lighting

Your knowledge of lighting is probably fairly limited so when it comes to choosing the most suitable option for your home, office or rental property, it’s hardly surprising so many people are left completely baffled. LED lighting has received a lot of publicity over recent years and has been recognised as the most power-saving and smart… Read More


Testing Electrics in Your Home

Testing electrics is very important and shouldn’t be under estimated. And the good news is it can be a quick and simple job. Whether you rent or own your home, chances are you take it for granted that your electrics are all safe and sound. Whilst it’s most likely that you have nothing to worry… Read More


The Importance of Periodic Testing

Why you need to carry out periodic testing in your home Doctor Sparky is a NICEIC Approved contractor and can therefore carry out your periodic testing We’re guessing you wouldn’t drive your car without a valid MOT. Particularly if you were transporting your family. So why should the electrics in your home be any different?… Read More


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  • NIC/EIC qualified and experienced electricians
  • 24 hour service to deal with any electrical emergency
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