It's clearer to think in terms of "efficiency relative to ideal Carnot efficienc...

		HPsquared 5 months ago \| parent \| context \| favorite \| on: Staying cool without refrigerants: Next-generation... It's clearer to think in terms of "efficiency relative to ideal Carnot efficiency". Compressor systems use twice as much energy as an ideal system, while Peltier systems use about 10x as much.