Refrigerator

Definition: Refrigerator

A refrigerator is a device which syphons Heat $Q_{\text{C}}$ and uses Work $W$ in order to output more heat $Q_{\text{H}}$.

Definition: Hot Reservoir

The hot reservoir is the place where the heat $Q_{\text{H}}$ is sent to.

Definition: Cold Reservoir

The cold reservoir is the place where the heat $Q_{\text{C}}$ comes from.