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Old 09-30-12, 03:13 PM   #9
Lurking Renovator
Join Date: Sep 2012
Location: England (stoke)
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i have put this on a spread sheet and played with the numbers. its quite easy to see situations where the window open is much worse but difficult to see situations where the dehumidifier is worse. when the temperature gets below zero centigrade opening the window is really bad.
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