Fan & Duct Sizing Calculator


Ducts with cross-sectional length greater than 1,200mm are recommended to be split into two or more ducts, whereever possible.
The proposed duct sizes are for the cross-sectional dimensions of the ducts as the linear length is determined by location of the room(s).



The online calculators are to generate queries only, we recommend working with experts to ensure suitability; if you are unsure or would like assistance analysing your current setup or application, feel free to contact us with your questions for professional advice from one from our experts. Nehmeh assumes no responsibility or liability for any errors or omissions using these online calculators. These online tools are guides and do not constitute as professional advice.


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fan sizing & ducting in qatar


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