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Old 09-25-17, 12:47 PM   #28
Ormston
Apprentice EcoRenovator
 
Join Date: Mar 2013
Location: UK
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Quote:
Originally Posted by DEnd View Post
.... Since the unit is working solely indoors, it is also using heat from other sources. ......
Unless those other heat sources are outside the thermal envelope of the house you're stealing heat from one part of the house to give to another.
So no net gain.
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