Indian House Stays Cool Without AC Thanks to Clay

In Kerala, India, architecture firm Elemental Architects built a house that cools itself without air conditioning. The house, designed for sisters Renu Krishnadas and Rekha Utham, uses high sloped ceilings, perforated clay blocks and local laterite stone to dissipate heat and absorb moisture. Windows and walls function as natural pumps that accelerate and cool air. The roofs consist of two...