Love your planet, love your
Earthship
Earthship Biotecture keeps buildings warm by interfacing with the sun
and the earth. Solar gain, or heat from the sun enters the building
through windows facing south or north in the southern hemisphere. The
heat from the sun gets absorbed by the walls and floors of the
building. The walls and floors must be an earth-type material like
stone or mud or earth to absorb and hold the heat. Earth-type
materials have thermal mass, which can absorb and "store" temperature
like a battery. The walls of an Earthship are made of rammed earth in
recycled automobile tires. Highly compacted earth holds temperature
very well. At night, the air temperature in the room(s) drops causing
the heat stored in the walls and floors to move out into the room.
This is a law of physics, heat moves to cold. This absorption and
release of temperature by thermal mass keeps the building warm when it
is cold/cool outside.