Continuous Running Extractor Fans

Continuously running extractor fans meet System 3 in the Building Regulations. These fans, also known as Constant Volume extract fans, are one single unit which can be applied to all wet rooms including the kitchen, bathroom, utilities and WCs. View the full range below, or speak to our friendly team if you need help choosing the right continuously running extractor fan for your requirements.

Many of these are low-energy extractors which means that while running continuously, they will use less power per minute when compared to other fans.


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For top quality continuous running bathroom and kitchen fans, also suitable for other rooms and areas such as utility rooms, wet rooms, changing rooms and public toilets, Alert Electrical have you covered. Our continuous fans are made by leading manufacturers:

  • Airflow Fans – offer stylish and unobtrusive continuous axial fans with a circular profile and options for fan activation by humidity and timer, or by timer only
  • Greenwood Airvac Fans – have pioneered continuous fans with smart features to increase user control and reduce energy waste
  • Xpelair Fans – a constant low volume continuous fan reducing noise as close to silent as possible, and available in round or square white gloss finishes

Our range of continuous fans benefit from the latest technology to adjust airflow for best performance and highest efficiency, and are versatile, which potential continuous fan installation options for fitting in walls, ceilings, panelling or windows.

Continuous running fans for kitchens and bathrooms

The continuously running extractor fans we offer are perfect for commercial kitchens and public bathrooms and restrooms, and are also suitable for domestic installation in social or rented housing where mitigating against the risk of damp is desirable. Any steam, smoke or odours created in a working kitchen can be quickly removed by the continuous running fan without the need for any staff intervention, and you can control humidity, odour and damp levels in private or shared bathrooms without anyone needing to think to switch on an extractor fan or open a window.

Why buy your continuous running fan from Alert Electrical?

Our customers choose to buy continuously running extractor fans from Alert Electrical for a variety of reasons, including:

  • We supply the latest and best continuous running fan models by top manufacturers
  • Next day delivery option, plus free standard UK delivery on all continuous fan orders totalling £100 or above
  • Our Price Match Promise gives you peace of mind that you are purchasing your continuous fan for the best price
  • All our continuous running fans are fully compliant with the latest relevant building regulations
  • We offer great customer service along with a 14 day return policy for additional peace of mind

We want you to feel confident making a purchase and happy with the outcome of your continuous fan order, so if you have any questions or need any advice about continuous fans, don’t hesitate to get in touch with us, we are happy to help.