Where did the RH Go

[Don]

Hi Sarah,

Ah yes Sherlock--but look here before you rule out air infiltration:

http://eetd.lbl.gov/ied/APT/pubs/Leakage.pdf

At 08:38 PM 1/13/2004 -0500, you wrote:
>Hi Don,
>
>> Or else there was outside air infiltrating into the room. This is far more
>> likely in an old house. It's really quite dramatic to do the calculation
>of
>> outside air at 70% relative humidity at -15 C and bring it into a house
>> raising the temperature to 20 C.
>
>Ah yes, my dear Watson, but you forget that the radiators were not warm, and
>yet the temperature held steady.  Methinks the air entering the room was
>warm and thus could only have come from the rest of the abode, and so the
>real culprit must have been a hidden ventillation duct or large gap between
>rooms.  Perhaps an open transom!  Yes, cherchez le transom!  ;-)
>
>Peace,
>Sarah

Regards,
Don Rose, B.Mus., A.M.U.S., A.MUS., R.P.T.

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