主权项 |
1. A building installation comprising:
a building comprising a slab or cellar floor placed in contact with a piece of earth under the building, a solar collector mounted on or by the building and adapted to heat a solar collector fluid flowing through it, a fluid circulation circuit arranged to circulate the solar collector fluid in or by the building, a fluid hose placed in the piece of earth under the slab or the cellar floor, an edge insulation placed by the building's foundation completely or partially surrounding the piece of earth with the fluid hose, where an earth circuit fluid in the fluid hose is thermally coupled to the fluid circulation circuit in the building such that the earth circuit fluid receives heat from the heated solar collector fluid for circulation in the fluid hose under release of heat energy to the surrounding piece of earth. |