DIES calculates equilibrium dust temperatures and the resulting dust emission spectra. It handles spherical models (cells are spherical shells), computes dust temperatures (equilibrium temperatures only), and returns spectra for different impact parameters. The code uses the immediate re-emission method; it is not suitable for problems where the stochastic heating of the grains is important. DIES can assume constant dust properties throughout the model, and also offers an alternative script that allows dust properties to be set cell by cell. The program uses OpenCL libraries and is recommended to be run on GPUs.