Fantech SHR 1505R - Determining Your Airflow Requirement

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fantech
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Room classification Number of rooms CFM (L/s) CFM Required
   
   
   
   
   
   
   
   
   
Total Ventilation Requirements (add last column ) =




Room Count Method
Determining your airflow requirement
ASHRAE method
Ventilation Air requirements
Floor area Bedrooms
0-1 2-3 4-5 6-7 >7
Ft
2
m
2
CFM L/s CFM L/s CFM L/s CFM L/s CFM L/s
< 1500 <139  14 45  60  75  90 
1501-3000 139.1-279 45  60  75  90  105 50
3001-4500 279.1-418 60  75  90 45 105 50  57
4501-6000 418.1-557 75  90  105 50  57  64
6001-7500 557.1-697 90  105 50  57  64 150 71
>7500 >697 105 50  57  64 150 71 165 78

Bathroom: 
(10 L/s), this ventilation rate can be considered as part of the whole-building ventilation rate.