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Cooling a house in Kerala without a compressor

By Ar. Saira18 February 20266 min read
Green Kerala land under an open sky (Reference image, not a CHAYP project)

Before we specify a single fan, we read the site: the path of the sun, the direction of the prevailing breeze, the trees that already shade the ground. The plan is drawn around those facts.

Cross-ventilation moves air through every room. Courtyards and stacks pull hot air up and out. Deep eaves and earthen mass keep the sun off the building's skin and store the night's coolness into the day.

Done well, the result is comfort that survives a power cut, needs no service contract, and costs nothing to run. The climate does the work - we just arrange the building so it can.

Air-conditioning then becomes a choice for the hottest weeks, not a life-support system the house cannot live without.

Threads in this note
passive coolingcomfortclimate
Behind the writing

every note grew out of a real building

We write these field notes the way we work: slowly, from the material up, and only about things we have actually done. If a method here speaks to your own ground, we would love to hear about it.