Cover of The Air Conditioner: Ice, Vapor, Empire, a book by Ketineni Ramarao - Industries of India

The air conditioner began with ice and vapour and built an empire of cooled air. This book follows the refrigeration cycle from the first machines to the split unit on the wall, and the industry now shaping energy demand - nowhere more than in India.

138 pages · Published November 2026 · Free to read as a PDF

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Every reference number in the book resolves in the source companion: what each source is, how fully it was read, and its limits.

In the industry map

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