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Dumping heat or saving heat - Page 3

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Posted by nicksanspam on March 4, 2006, 6:10 pm
 


How about a slow draindown system?

Nick


Posted by Alan on March 4, 2006, 6:21 pm
 
Right, the drain back system sounds great!  So far though the extra
tank costs seem higher than it should be...


Posted by Alan on March 4, 2006, 6:18 pm
 I should add though that the hot tub idea is a good one, which I hadn't
considered earlier.  But, unlike most tubes, you won't want to cover it
with an insulated pad in summer because you may want to get rid of
extra heat.  Even a small evacuated vacuum tube system would dump
enough summer heat to become dangerous to climb into.  So, in summer
the cover needs to be able to release heat while keeping the tub safe
from children and or anyone tempted to touch the water.  A swimming
pool would be even better, but here too, there's the possibility of
overheating the pool temperature.  I've heard of simple black plastic
solar loops on the roof having to be cut down because the heat was too
much.


Posted by Gordon reeder on March 5, 2006, 3:44 am
 


I would think that the thermaly vented cooling would be a better idea
in this instance.  Since the basement is usuaally cooler than the
house and surrounding atmosphere, you can keep the house comfortable
by drawing air up from the basement and through the house.  You draw
up the cool air by creating a heat chiminey.  Your excess heat warms
the air in the chimn(??)y and it rises.  as it rises and leaves the
house it draws in the cool air from the basement.  Naturally,
you need to leave a basement window open to allow new air to enter.
Or you can hurry earth tubes that will precool the makeup air befor
it reaches the basement.

Posted by SJC on March 5, 2006, 6:05 am
 

  It would be interesting to see what a solar chimney would cost and
how many BTUs of cooling per dollar it would produce. Also, asthetics
would come into play, with homeowners groups. Then there are building
codes to contend with. Other than that, it sounds like an interesting =
idea.

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