 Today's low-energy buildings with Trombe walls often improve on the ancient technique incorporates a thermal storage and delivery system that people have used thick walls of adobe or stone to trap the sun's heat during the day and release it slowly and evenly at night to heat their building.Today, the Trombe wall continues to serve as an effective strategy of passive solar design.The well-known example of the Trombe wall system is first used in the Trombe house in Odeillo, France in 1967.