Sustainable Technologies For Nearly Zero Energy... | EASY |

“Energy surplus at 12%,” the house AI replied. “Hydrogen fuel cell conversion initiated.” The Pulse Below

A soft interface flickered onto the glass of his balcony door. The glass itself was . To Elias, it was a clear window; to the grid, it was a high-efficiency solar panel harvesting the last of the day’s ultraviolet rays.

The building’s "lungs" were hidden deep underground. Earlier that day, Elias had toured the basement with the maintenance crew. They showed him the —loops of pipe plunging hundreds of feet into the earth, using the planet’s constant core temperature to regulate the building’s climate with almost zero electricity.

The year was 2042, and the city of Oakhaven didn’t hum; it breathed.

Now, Oakhaven was a carbon sink. Between the in the walls and the predictive AI that dimmed lights based on the movement of the sun, the building produced almost as much as it consumed.