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infiltration factor

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8-ball
8-ball Member Posts: 24
in THE MAIN WALL
Last time I punched the #'s .018=1ACH
For other infiltration rates multiply .018 by # of ac/hr
for example .5x.018=.009

hope that helps

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  • Marc K.
    Marc K. Member Posts: 15
    infiltration factor

    Need some help in figuring out where the .012, .018, .027 etc. factors come from in IBR heat loss calculations relative to air changes per hour. If I am using a program like Slant Fin's Hydronic Explorer, I can easily change wall, ceiling, and other U factors, but if I don't know what the infiltration rate is based on in ACH, it's kind of hard to back into it. Need a good numbers person to give me the info. Thanks
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