Bathroom Extractor Fan Flow Rates

To help you determine the appropriate extraction rate for your bathroom, kitchen, utility room, etc, we have created a user-friendly and completely free Extraction Rate Calculator. By using this tool, you can ensure that you pick the right size extractor fan for your application. Simply enter the measurements of your room and click calculate to find out the correct cubic metres per hour or.

It will also assist in removing common bathroom odors. What's here? This page includes a bathroom fan calculator to give you the best exhaust fan size for your purposes. You'll also find a bathroom fan CFM chart for easy reference.

Terminology tip: Bathroom fans are also called exhaust fans, ventilation fans and extractor fans. Bathroom Extractor Fan Buyers' Guide. Axial, centrifugal, mixed flow and inline fans, the bathroom zone system, impellers, IP ratings, voltages, humidistats.

Read and then Purchase. Next Day Delivery! FAQ - 💬 What is the air extraction rate of a bathroom extractor fan? Measured in 'Litres per Second' (L/s) or 'Metres Cubed per Hour' (m3/hr), the air extraction rate is one of the most important considerations.

The Building Regulations stipulate that a bathroom extractor fan must extract at least 15L/s in a standard domestic bathroom. to extract the air at given rates. Residen Where fans are used to remove moisture and other contaminants from kitchens, bathrooms and laundries in housing, the exhaust air must be ducted to the outside at the flow rates mentioned below.

Extraction of wet rooms (e.g. bathroom, toilet, laundry) must be kept separate from kitchen extraction. The best bathroom extractor fans must efficiently and quietly circulate fresh air into a space while also removing moisture-laden air to stop mould forming.

They also want to look the part too. We've gathered the top buys to make choosing easy. However, there isn't a one size fits all approach regarding the type of extractor fan that you should install.

The Building Regulations set minimum flow rates that an extractor fan installed in a wet room should be able achieve when correctly installed. The flow rates are as follows: 6 l/sec for toilets and en-suites 15 l/sec for bathrooms. It's important to understand what extraction rate is before buying an extractor fan for your bathroom.

But how do you calculate it? Viessmann can show you how. A good exhaust fan would be one with: A decent flow rate (40l/s). A 10-15 minute run on timer, (this makes the fan run for 10-15 minutes after it is turned off).

A 24hr ventilation capacity, (considered in conjunction with a whole-house ventilation strategy). Remember, the purpose of a bathroom exhaust fan is to remove moisture laden air from. Bathroom exhaust fans are important for removing excess moisture, odors, and other pollutants from the air in the bathroom.

The size and flow rate should be based on the size of the bathroom, typically 50 CFM for bathrooms up to 50 square feet and 100 CFM for larger bathrooms.