ARE Reference Formula Typo?

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    Andreea Gulerez

    In cold climates, most heat loss occurs through walls, whereas in warm climates (most of) it occurs through the roof - these two shown above are the same formula, where o is “total roof” in the latter, and roof vs. skylight are the same as wall vs. window and opaque vs. non-opaque.

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    Herman Nadal

    NCARB,
    This seems to be a typo in the handbook reference formulas for the U-value of a roof. O=total roof, not total wall, correct?

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    Nick NCARB

    Hey Herman,

    Thanks for posting! We will be releasing a new version of the ARE 5.0 Handbook in the next few weeks with the updated equation. 

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    Artem Melikyan

     

    Nick,

    How can I address my question directly to you or another NCARB associate? I had posted a question under PDD for NCARB,

    but only other members commented.

    Thank you,

     

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