The design of Casa în Pământ follows the principles of , where at least one side of the house is buried under soil. This method offers several key benefits:

In a world dominated by steel and glass, chose a different path—one literally carved into the landscape. Their project, Casa în Pământ (The House in the Earth), is more than just a dwelling; it is a manifesto for sustainable architecture and a harmonious relationship with nature.

Cristian is an engineer in Romania, and has designed, built, and lived in this passive solar, earth sheltered house for two years. BuildItSolar Valea Viselor - Earthen home in Dobreni, Romania - Airbnb

The surrounding earth acts as a thermal mass, keeping the interior cool in the scorching Romanian summers and warm during the freezing winters.