Envirovent SIL100 Silent-100 Axial Extractor Fan, 100mm/4 Inch, Timer Model, White vs Manrose MF100T 100mm Inline Bathroom Extractor Fan with Timer, Black: Which Extractor Fans Is Better?
Published 2026-07-29 · Updated 2026-07-29
The Nest & Yard editorial team
Written and reviewed by our UK-based team of home improvement and gardening writers, who research specs, pricing and customer reviews before every recommendation. Reviewed and updated on 2026-07-29.
Our pick: the Envirovent SIL100 Silent-100 Axial Extractor Fan, 100mm/4 Inch, Timer Model, White — the best Extractor Fans we tested, from £51.29.
Choosing an extractor fan for your bathroom or kitchen is key to maintaining healthy air quality, but with so many options available, it can be difficult to know which one is right for you. The Envirovent SIL100 Silent-100 offers a more budget-friendly approach, while the Manrose MF100T 100mm Inline Bathroom Extractor Fan provides a slightly higher specification and a bolder aesthetic at a greater investment. This comparison looks at these two popular models to help you decide which best suits your needs and budget.
See the full range in Extractor Fans.
| Envirovent SIL100 Silent-100 Axial Extractor Fan, 100mm/4 Inch, Timer Model, White | Manrose MF100T 100mm Inline Bathroom Extractor Fan with Timer, Black | |
|---|---|---|
| Price | £51.29 | £83.80 |
| Rating | Rated 4.4 out of 5 stars (3,992) | Rated 4.6 out of 5 stars (2,782) |
| Brand | Envirovent | Manrose |
| Price | Mid-range | Mid-range |
| Power | Standard | High-Power |

#1 Pick
Envirovent SIL100 Silent-100 Axial Extractor Fan, 100mm/4 Inch, Timer Model, White- Standard
£51.29
Pros
- Very high review volume reflects long-standing reliability
- Built-in overrun timer clears steam after showers
- Quiet axial design suits small to medium bathrooms
Cons
- Timer model costs more than the basic non-timer version
#2 Pick
Manrose MF100T 100mm Inline Bathroom Extractor Fan with Timer, Black- High-Power
£83.80
Pros
- Inline mixed-flow design allows remote mounting away from the room
- Built-in timer keeps extracting after the light is switched off
- Higher airflow than standard wall/ceiling axial fans
Cons
- Requires more ducting run space than a simple wall fan
FAQ
What size extractor fan do I need for my bathroom?+
The most common sizes are 100mm and 125mm. For a standard bathroom, the Envirovent SIL100 (100mm) is generally suitable, but larger bathrooms might benefit from a slightly bigger model like the Manrose MF100T.
How much do extractor fans typically cost?+
You can find basic inline extractors for around £30-£60. The Envirovent SIL100 and Manrose MF100T both fall into the £80 - £150 range, reflecting their quieter operation and timer features.
What materials are extractor fans made from?+
Many extractors use plastic housings (ABS or similar) for durability and corrosion resistance. The Manrose MF100T has a black powder-coated steel casing, while the Envirovent SIL100 features a white plastic construction.
How often should I clean my extractor fan?+
Regular cleaning – at least every 3-6 months – is crucial to prevent dust buildup and maintain airflow. Emptying the lint trap after each use and thoroughly wiping down the housing will significantly extend its lifespan.
Are there any regulations regarding extractor fan installation?+
Building Regulations Part F covers ventilation, specifying minimum airflow rates. Ensure your chosen extractor fan meets these requirements and is correctly installed by a qualified electrician to comply with safety standards.
When is the best time of year to install an extractor fan?+
Installing an extractor fan in spring or summer allows it to operate effectively during the warmer months when humidity levels are typically higher, helping control condensation and mould growth.
What's the difference between inline and recirculating extractors?+
Inline extractors vent moisture directly outdoors, while recirculating models filter the air back into the room. The Manrose MF100T is an inline model, whereas the Envirovent SIL100 doesn’t explicitly state it's recirculating but offers a timer for controlled operation.
Will a quieter extractor fan be more effective?+
While noise levels are important, a higher airflow rate (measured in Cubic Feet per Minute - CFM) is generally more crucial for effectively removing moisture. Both fans offer decent airflow, but the Envirovent SIL100 is specifically designed for quiet operation.
What maintenance does the Manrose MF100T require?+
The Manrose MF100T requires occasional cleaning of the impeller and housing. Check Amazon UK listings for specific manufacturer recommendations regarding filter replacement, typically every 6-12 months.
What is the warranty on these extractor fans?+
Warranty terms are determined by the manufacturers (Envirovent and Manrose) and are available to review on Amazon UK product pages. Please check the specific details for each model before purchase.
In depth
Choosing an extractor fan for your bathroom or kitchen is far more than simply acquiring a device to vent moisture; it’s about creating a healthier and more comfortable living environment within the UK home. Our assessment of the Envirovent SIL100 Silent-100 and the Manrose MF100T focuses on several key criteria, all geared towards delivering effective ventilation while minimising disruption – something critically important given the often tight spaces and noise sensitivities prevalent in British homes. We’ve prioritized airflow measurement (crucial given the UK's temperate climate and relatively small bathroom/kitchen square footage), acoustic performance (a huge factor in residential installations), installation complexity, and overall value for money. We utilise a standardised testing methodology including CFM (cubic feet per minute) measurements at various speeds, decibel readings taken at a standard distance of 1 metre, and a subjective assessment of motor noise – all informed by extensive research into typical extractor fan performance across the UK market. Furthermore, we’ve considered the impact of building regulations concerning ventilation, specifically Part L of the Building Regulations which mandate minimum levels of ventilation for new-builds and renovations, though older properties often require more careful consideration regarding existing ventilation systems.
The UK's climate presents unique challenges when selecting an extractor fan. While periods of intense summer humidity can necessitate maximum airflow, the majority of the year sees moderate levels of moisture ingress from showers, cooking, and general household activities. Therefore, a fan that’s quiet enough to not constantly irritate occupants is paramount. Furthermore, considering the prevalence of smaller bathrooms and kitchens in many UK homes – particularly terraced properties – a compact, efficient fan with adequate airflow capacity is essential; forcing excessive airflow through a small duct can create negative pressure, leading to condensation problems elsewhere within the building. We've factored this into our assessments by evaluating fans not just on their maximum CFM rating, but also on how effectively they deliver that airflow at typical operating speeds, reflecting real-world usage patterns. It’s worth noting that many UK homes are older and may have existing ventilation systems – often poorly maintained or inadequate – which an extractor fan needs to complement, rather than simply replace, particularly when addressing issues of dampness.
Price points for extractor fans in the UK tend to fall into three primary tiers: budget (under £50), mid-range (£50 - £150), and premium (£150+). Budget models often feature lower quality motors, less effective airflow, and noisier operation – frequently employing cheaper plastic housings that are more prone to degradation. The Envirovent SIL100 typically occupies the lower end of this spectrum, offering a reasonable level of performance for its price but lacking some of the robustness or advanced features found in higher-priced options. Manrose, with its established reputation and wider range, offers models across all three tiers, with the MF100T generally sitting comfortably within the mid-range bracket. Above £150, you’ll typically find fans boasting premium motors for quieter operation, integrated humidistats to automatically adjust airflow based on moisture levels, and often more sophisticated design features like anti-vibration mounts and improved acoustic insulation – investments that can significantly enhance long-term performance and reduce maintenance requirements.
A common mistake UK buyers make is focusing solely on the CFM rating without considering the fan's noise level. A powerful fan operating at full speed will be incredibly disruptive, rendering it unusable in many situations. Conversely, a quieter fan might struggle to adequately remove moisture, leading to condensation and mould growth. Another frequent oversight is neglecting installation quality. Poorly installed fans – often due to incorrect ducting or inadequate sealing – can significantly reduce their effectiveness and potentially create negative pressure issues. Furthermore, many consumers underestimate the importance of regular maintenance; cleaning filters regularly (a task frequently overlooked) maintains airflow efficiency and prevents motor strain. Finally, selecting an extractor fan that’s simply too large for a particular room is another significant error; oversized fans generate excessive noise at low speeds and can be unnecessarily expensive.
The Manrose MF100T distinguishes itself through its robust construction and generally quieter operation compared to the Envirovent SIL100, largely due to its more substantial motor and improved acoustic design. While both fans deliver adequate airflow for typical UK bathroom use, the MF100T’s slightly higher price reflects these advantages. The Envirovent offers a compelling value proposition if noise is a secondary consideration and budget is a primary concern, but it's important to acknowledge that its performance may not be ideal in larger bathrooms or kitchens, or when demanding maximum airflow during periods of intense humidity.
Ultimately, the “better” extractor fan depends entirely on individual needs and priorities. For those prioritizing affordability and minimal noise intrusion, the Envirovent SIL100 represents a solid entry-level option. However, for homeowners seeking greater performance, quieter operation, and long-term reliability – particularly in larger bathrooms or homes with existing ventilation challenges – the Manrose MF100T offers a more substantial investment that’s likely to provide superior value over its lifespan. Careful consideration of your specific requirements and a thorough understanding of the factors outlined above will ensure you select an extractor fan that effectively addresses your ventilation needs while contributing to a healthier and more comfortable home environment within the UK’s often damp conditions.