A knowledge base on cooling technology: the physics, the machines, the working materials, and the applications for moving heat out of a space — with a bias toward heat-driven and passive cooling (adsorption, solar-thermal, radiative, geothermal) that turns waste heat or the sky into cold.
A joule heist is stealing heat — taking joules out of where they aren’t wanted. Cooling is theft of thermal energy.
The map of cooling technologies, sorted by what drives the pump
The keystone: cold from 60–95 °C waste or solar heat
COP/SCP benchmarks, working pairs, economics, derating
Vendors, model specs, market, and field deployments
Why COP is low, the hot-day derating curve, and the fixes
Vapor compression, solar thermal, radiative, geothermal, heat pumps, and more