pozo canadiense 15
Also well Provencal. Installation of shallow geothermal energy a few meters deep under the houses to take advantage of almost stable from the two meters underground temperatures thus keeping homes warm in winter approximately 15 ° C and cool in the summer to about 25 ° C. We all know that things are so in caves or cellars dug in the basement. I also remember that in my childhood when I went to the source with the pitcher water came out hot in the winter and cooler in summer. Come on, which are experiences of Perogrullo.
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