Laura Álvarez Architecture transforms stone ruin into zero-energy Villa Slow

This holiday home in Spain by Laura Álvarez Architecture is built from the walls of a stone ruin and generates more energy that it consumes.
Named Villa Slow, the dwelling replaces a former ruin found in rolling hills in the natural park of Valles Pasiegos.
It is designed to have minimal impact on its environment, and relies on an air-heat pump with a low-temperature heating system and high-quality insulation to maximise its energy efficiency."The house is connected to the electrical