What Size Exhaust Fan Do I Need
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Learn how to calculate CFM for a bathroom exhaust fan! Having the right size for your bathroom is very of import! Bathrooms with higher ceilings and larger dimensions crave more powerful fans to go along moisture and humidity at advisable levels.
Bathroom frazzle fans, or extractor fans, come in diversity of sizes. Knowing what size bathroom fan you need is easy to calculate. All you lot need is a tape measure and a figurer. "What size bathroom fan do I need Cheryl?" Here's how to size a bathroom fan!
Of import: An extractor fan MUST be routed to the exterior of your dwelling. Make sure your contactor, doesn't have a short cutting and run all that moisture into the attic! Read this to understand why.
How to Size an Frazzle Fan for a Bathroom
- Mensurate the dimensions of your bathroom. Use a record mensurate to measure the length, width, and height of your bathroom. If you lot have an unusually shaped bathroom, it might be easier to draw out your flooring plan and label each wall to keep rails of your dimensions.
- Next, employ your dimensions to calculate the total volume of your bathroom. For standard square or rectangular bathrooms, you lot tin can use the formula Length X Width X Height = Book.
- Calculate how many CFM your bathroom fan needs by dividing the number from the step #2 by 7.5. This is how oft your extractor fan should exist able to supplant the bathroom with fresh air. (More on this below)
A Quick Case
For a standard 10ft past 10 ft bathroom with an 8 ft ceiling, you will need an exhaust fan capable of 106.67 CFM. Hither'south how we go this number:
(10ft * 10ft* 8ft)/7.five = 106.67 CFM
Bathroom Fan Exhaust Size Calculator
The formula to calculate bathroom frazzle fan size reads as follows:
Cubic Volume/seven.5= CFM Necessary
Why You Demand to Have the Proper Size Extractor Fan
Bathroom extractor fans are mandatory in whatever bathroom without a window and still highly recommended in bath with windows. The exhaust fan removes wet and humidity from your bathroom. Moisture and humidity can significantly change the life expectancy of appliances.
- Exhaust fan must be strong enough to restore the bathroom with fresh air every 7 1/2 minutes or 8 times an hour. This is the industry standard.
A fan that is too small-scale will not finer remove moisture from the room. This can lead to serious bug including, warped cabinetry, fogged mirrors, mold, and/or mildew growth. Poor-ventilation is 1 of the main reasons why many people say MDF is non a skillful material in the bath. Although solid oak is better, MDF is fine when you take the right size frazzle fan. It's especially important when you have MDF cabinets.
- MDF or Wood in the Bathroom
What Does CFM Stand up For?
CFM stands for Cubic Anxiety Per Minute. It mensurate the amount of air existence moved per second. Hither's a definition from Webopedia.
"A measurement of the velocity at which air flows into or out of a space. The CFM measurement is used in reference to a computer'southward cooling system, and more typically in reference to an air-cooling system that is supporting overclocking."
Conclusion
Most bathroom exhaust fans come with a rating of between 50CFM-110CFM with larger commercial units offering college capacities. The rating should exist listed somewhere on the packaging or stores sometimes organized them based on CFM.
If yous have any other questions, you can leave a comment below. Otherwise, I also recommend reading the other articles below as they likewise pertain to moisture and humidity in the bath.
Bathroom Moisture and Humidity Related:
- Why You Have to Run Your Bathroom Frazzle Fan Through the Roof
- How to Get Rid of Shower Mold
- Best Fabric for a Bathroom Vanity
About the Writer
Cheryl Khan is a designer and writer at Tradewinds Imports, an online speciality site dedicated to fine bathroom furnishings. She has extensive knowledge about all the finer details that go into planning the perfect bathroom renovation project and is an expert on all things bathroom! Transport her your bathroom Q's on twitter @SuperInteriors!
What Size Exhaust Fan Do I Need,
Source: https://www.tradewindsimports.com/blog/bathroom-exhaust-fan-size-cfm/
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