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Regarding HVAC calculations, can you provide a simple method to calculate & sizing HVAC machine tonnage , CFM, duct size for any room?

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MEP Ventilation HVAC Mechanical Engineering
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Question added by Muhammad Ibrar , QC Engineer , Al Gahazal Contracting & General Maintenance LLC
Date Posted: 2019/04/11
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Adil Shaik
by Adil Shaik , Project Engineer(HVAC) , EMCO(Engineering Maintenance Company)

Its a simple calculation .....brief calculation:

 

400CFM= !TR( Tonne of Refrigeration)

Duct Size of 20CM*20CM ( LXB) carries 1 TR of Cooling capacity

Room Size= 12SqM( Square Meter) required cooling capacity of 1TR required.

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