Cave homes, tend to be naturally energy efficient,
. . . thanks to their insulating earth walls,
. . . that keep the inside air at comfortable temperatures year-round,
. . . without heating or cooling.
https://www.youtube....h?v=mOsI-7qZbRY
4-18-2017 Source: #Cool in summer/Warm in winter
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1
#Cool in summer/Warm in winter
Started by eds, Apr 18 2017 09:11 AM
1 reply to this topic
#2
Posted 21 April 2017 - 02:53 PM
Earthships too. They are becoming very popular & many (if not most) are built from salvaged materials; tires being
used most frequently.
https://en.wikipedia.../wiki/Earthship
used most frequently.
https://en.wikipedia.../wiki/Earthship
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