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Unread 02-03-2010, 07:24 AM   #3
bobkoure
Cooling Savant
 
Join Date: Feb 2003
Location: USA - Boston area
Posts: 798
Default Re: What (else) to do with heat exchanger knowledge

Or you figure you need a certain minimum flow of fresh air (there are standards - which my house failed, BTW). Take that as a given (open window, ventilator without heat recovery, whatever). At that point, whatever heat / cooling you recover counts as free energy.
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