Information Technology

Gartner Glossary

Absorption Chillers

Absorption chillers use a different mechanism from traditional chillers, and are powered by heat rather than using electricity, potentially resulting in significant efficiency gains. The cooling mechanism is still evaporative — a liquid transforming into a vapor — but the reliquification is different. Instead of being compressed, the vapor is absorbed into another liquid. The classic cycle here uses ammonia, which is absorbed into water.

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