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A comment on Why I won’t touch the Kindle 2 with a ten foot pole.. Parent comment

Re:Why I won’t touch the Kindle 2 with a ten foot pole. by JoelSutherland on Friday February 13, 2009 @09:53AM (#479885)
They won't make it cheaper than if you had less house.

If the square footage would otherwise be empty my whole point falls apart.

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Re:Why I won’t touch the Kindle 2 with a ten foot pole. by gravitycop on Saturday February 14, 2009 @05:11AM (#481012)
They won't make it cheaper than if you had less house.

Actually, more mass (book mass, or any other kind) does make HVAC cheaper: http://static.monolithic.com/pres/rvalue

The California Handbook for Solar Energy is the only government publication we have been able to find which takes into account the thermal mass of the concrete when measuring heat loss. Simply stated, the concrete acts as a heat sink which slows the passage of heat back and forth through the wall or roof assembly.

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