10 bestInline Fan For Bathroomof July 2025
112M consumers helped this year.
10% off
1
Kair MultiFan In Line Fan 100mm with Timer
Kair
9.9
6% off
2
150 mm - 6 inch Diameter in Line Bathroom Extractor Fan with Run On Timer Loft Mounted Inline Shower Ceiling Powerful Ventilation Damp Control Silent in-line Toilet Ventilator
Fantronix
9.8
3
Xpelair C4TS 4"/100mm Simply Silent Contour Extractor Fan Timer Delay
Xpelair
9.8
10% off
4
Fantronix TUBE Extractor Fan Easy Operation With Light Switch and Run-on-Timer. Loft or attic, Dimensions: 246mm (L) x 190mm (H) x 167 mm (W), Spigot: 86mm Diameter for 100mm duct connection – White
Fantronix
9.6
5
Anesty Inline Bathroom Extractor Fan 100mm/4 Inch, In Line Duct Fan Mixed Flow 220m3/hr - Grow Room Fan Tent Hydroponic Ventilation System
Anesty
9.5
Other
Xpelair Airline All100 4"/100mm Inline Axial Extractor Fan with LED Light for Bathrooms and Shower Rooms, Complete with Loft Fitting Kit and SELV transformer, White
Fantronix 4 inch (100 mm) dia Universal Quiet Operation Inline Bathroom Fan Intake Hydroponic Shower Duct Ventilation Fan for hydroponics Room Diffuser
MANROSE MF125T 5" 125MM IN-LINE FAN TIMER EXTRACTOR MIXEDFLOW
Manrose in-line 2 Speed Mixed Flow Fan + Timer, 100mm Diameter, Model MF 100T, Ventilation, ducting, Extractor Fan for Bathroom Kitchen Toilet Extract
18% off
6
VENTS 4 inch Inline Bathroom Extractor Fan Kit Silent Timed Universal Loft Ventilation System for 100 mm Flexible Duct Shower Circular Ceiling Diffuser White Plastic Louvre, KIT-VU-TT-100-T-DPR
VENTS
9.3
7
Manrose MF100T in-Line Extractor Fan with Timer 100mm/4" + in-Line Back Draught Shutter
Manrose
9.1
8
VENTS UK 100mm 4 inch diameter Inline Extractor Fan Bathroom Shower Ceiling Loft Mounted Powerful Ventilation Damp Control Silent In-line Toilet Office Utility Room
VENTS UK
8.8
9
AirTech-UK Inline Bathroom Extractor Fan Kit Run on Timer 4 inches 100mm Powerful Quiet Damp Control For Bathroom En Suite Loft Ceiling Mounted Extractor Duct Vent with Timer
AirTech-UK
8.6
24% off
10
Xpelair XIMX100T 4"/100mm Inline Mixed Flow Extractor Fan with Timer for Bathrooms and Shower Rooms, Loft Fitting, Adjustable Twin Speed, White
Xpelair
8.4
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A Guide to Selecting the Best Inline Fan For Bathroom
Choosing the right inline fan for your bathroom is crucial for maintaining good air quality and preventing moisture-related issues like mold and mildew. An inline fan is installed in the ductwork and is designed to move air efficiently from the bathroom to the outside. When selecting an inline fan, consider the size of your bathroom, the length of the ductwork, and the noise level you are comfortable with. Understanding the key specifications will help you make an informed decision that suits your needs and ensures a comfortable and healthy bathroom environment.
Airflow Capacity (CFM)
Airflow capacity, measured in cubic feet per minute (CFM), indicates how much air the fan can move. This is important because it determines how effectively the fan can ventilate your bathroom. For small bathrooms, a fan with a lower CFM (around 50-80) may suffice, while larger bathrooms or those with high moisture levels may require a higher CFM (100 or more). To choose the right CFM, calculate the volume of your bathroom and ensure the fan can exchange the air at least 8 times per hour.
Noise Level (Sones)
The noise level of a fan is measured in sones, with lower numbers indicating quieter operation. This is important for comfort, especially if the bathroom is near living or sleeping areas. Fans typically range from 0.5 to 4 sones. If you prefer a quieter fan, look for models with a sone rating of 1.5 or less. Consider your tolerance for noise and the location of the bathroom when selecting the noise level.
Duct Size Compatibility
Duct size compatibility refers to the diameter of the ductwork that the fan can connect to. This is important because it affects the installation process and the fan's efficiency. Common duct sizes are 4, 6, or 8 inches. Ensure the fan you choose matches the existing ductwork in your home, or be prepared to modify the ductwork to fit the fan. Consider the ease of installation and the potential need for adapters when choosing a fan.
Energy Efficiency
Energy efficiency indicates how much power the fan uses to move air. This is important for reducing energy costs and environmental impact. Look for fans with an Energy Star rating, which signifies they meet energy efficiency guidelines. Consider how often and how long you will use the fan, as more frequent use may benefit from a more energy-efficient model.
Installation Type
Installation type refers to how the fan is mounted and connected to the ductwork. Inline fans are typically installed in the attic or between floors, which can reduce noise in the bathroom. This is important for determining the complexity of installation and the tools required. Consider your DIY skills or the cost of professional installation when choosing a fan, and ensure you have access to the installation area.
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