Thermal Memory: How Climate Shapes Architectural Heritage


Lunuganga / Geoffrey Bawa. Image © Dominic Sansoni

Lunuganga / Geoffrey Bawa. Image © Dominic Sansoni

On a hot afternoon in May, when the air over western India turns metallic with heat, no one remembers façade composition. They remember where the shade falls. They remember which corridor breathed. They remember the house that was cooler than the street. What stays in memory is comfort beyond the form. Repeated thermal preference stabilizes into spatial configuration, and over time, those configurations become building types.

Heritage is usually catalogued by what can be drawn, not by what changed temperature. In heat, buildings are learned first through skin, only later through sight. Generations learn, through their bodies, what works. Shade reduces glare and radiant heat. Air movement shifts perception by several degrees. Thick walls slow temperature swings. Over time, these experiences accumulate into a spatial preference. What feels right is repeated. What is repeated stabilizes into type.

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