an Earth Air Tunnel (EAT) system, a passive cooling and ventilation technique that utilizes underground pipes to regulate indoor temperatures. Hot air at 35°C is drawn into a wind tower or wind catcher, where it passes through an underground pipe system at a minimum depth of 2 meters. As the air moves through the tunnel, the earth’s stable temperature cools it to 25°C, providing natural air conditioning. The cooled air is then distributed into the house, creating a comfortable indoor climate. Warm air inside the home is expelled through vents, maintaining continuous airflow and preventing heat buildup. This system is energy-efficient, reducing reliance on mechanical cooling methods like air conditioning. It is particularly effective in hot climates, offering sustainable temperature regulation with minimal energy consumption.