CFM & Air Flow

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Video showing what cfm and air flow relative to HVAC
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Very well said and explained! Like being back in class at PG&E!

TheWoodman
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Thanks Mitchell! That helped me to start understanding the whole duct and air system concept. :)

MoAyat
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Nice video thank you. do you have any formula to size bathroom fan and garage thank u

moradsofia
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That looks like Wrightsoft D. Click Ducts & Notations !

boneyfreak
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Gm sir, your 400 cfms per ton you use for for return and supply?
Or 200cfms per ton for return and 400 for supply?

ocvasquez
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great video!! thank you for posting it...
Which software are you using or can recommend for residential applications??
Thank you again!

SantiagoRodriguez-mizt
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How can we calculate the fresh air fan cfm to enter a 50k cfm capacity room for Ventilating that room

saifhasnain
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I was just looking for a good PC case fan now I'm here just trying to understand the specs. 😅

dhax
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can we calculate the how much pound of duct needed per CFM ?

sunnymodi
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What computer program are you running?

jamesmartin
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Great video. How did you calculate the CFM required per room off your heating and cooling loads? Did you assume a supply air temperature and figure out the CFM required for both heating and cooling, then take the larger of the two? Thanks!

jyoshymusic
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If I need to do a load calculation on each room to find out how many CFM I need, what's the point of a ductulator?

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