5 Inch Extractor Fans
5 inch extractor fans are designed to handle ventilation in medium-sized rooms where more airflow is needed than a standard 4 inch unit can provide. Commonly used in kitchens, larger bathrooms, utility rooms and commercial spaces, they strike the right balance between size, performance and quiet operation.
At CM Electrical, we offer a growing range of 5 inch extractor fans from reliable manufacturers known for consistent performance and easy installation. Whether you're looking for a basic fan for everyday use or a more advanced model with timers and humidity sensors, we have options suited to both domestic and light commercial needs.
What Are 5 Inch Extractor Fans Used For?
These mid-sized fans offer increased airflow over smaller units, making them better suited to rooms where moisture or odours build up quickly, including:
● Kitchens and utility rooms
● Large bathrooms and wet rooms
● Commercial washrooms
● Workshops or garages
● Enclosed areas with limited airflow
They help prevent condensation, damp and mould, which can damage surfaces and impact air quality over time.
Types of 5 Inch Extractor Fans Available
We stock a range of 5 inch fans with different features to suit your installation and usage needs:
● Standard axial fans for wall or ceiling mounting
● Timer models with adjustable overrun to clear moisture after use
● Humidity-sensing fans that turn on automatically when needed
● Low noise models for residential settings
● Pull cord operated fans ideal for retrofitting in older properties
These fans are designed for easy fitting and many meet current Part F building regulations.
Choosing the Right Fan
When selecting a 5 inch extractor fan, consider:
● Airflow rating (m³/h or litres per second) to match your room size
● Noise level if used in bedrooms or living areas
● IP rating for installation in bathrooms or zones exposed to moisture
● Mounting position (wall, ceiling or window)
● Wiring options (basic, timer, humidity, or switched)
Our product listings provide full specifications so you can choose confidently.
Why Buy From CM Electrical?
● We stock trusted brands with proven quality
● Our products meet UK wiring and safety standards
● Fast delivery and expert support from a specialist team
● Competitive pricing on both residential and trade orders
If you need help selecting the right fan for your project, contact our team, we’re happy to help.
FAQs
Where should I use a 5 inch extractor fan?
A 5 inch extractor fan is ideal for medium-sized rooms such as larger bathrooms, kitchens, or commercial spaces where higher airflow is needed.
What is the difference between a 4 inch and 5 inch fan?
The main difference is airflow capacity. A 5 inch fan moves more air, making it better for larger or more humid areas where faster ventilation is required.
Can I install a 5 inch extractor fan in a bathroom?
Yes, as long as it meets the required IP rating for your bathroom zone. Always check the fan’s safety rating before installation in moisture-prone areas.
Are 5 inch extractor fans noisy?
Many 5 inch fans are designed with sound-reducing features. Look for models with lower decibel (dB) ratings if quiet operation is important to you.
Do I need a timer or humidistat feature?
It depends on your needs. Timers allow the fan to run after lights are turned off, while humidistats activate the fan automatically when moisture levels rise.