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Here, in the basement, a borehole heat exchanger uses the warmth from the earth, brought to the surface by four steel pipes that reach 105 feet down, for heating. Solar panels heat the building’s water, and a clever ventilation system ensures that the gla

Photo
Originally appeared in A Rational Approach
on June 28, 2010
Here, in the basement, a borehole heat exchanger uses the warmth from the earth, brought to the surface by four steel pipes that reach 105 feet down, for heating. Solar panels heat the building’s water, and a clever ventilation system ensures that the gla
Here, in the basement, a borehole heat exchanger uses the warmth from the earth, brought to the surface by four steel pipes that reach 105 feet down, for heating. Solar panels heat the building’s water, and a clever ventilation system ensures that the glass house doesn’t get too warm in the summer.

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