National Theatre using visitors’ body heat to save energy costs

Like many cultural institutions, the National Theatre in Prague is struggling with growing energy costs and increasing demand to operate in a more sustainable way. It has recently installed innovative new heat recovery technology – using the body heat emitted by audience members.

The historical building of the National Theatre in the centre of Prague accommodates nearly 1,000 people. A new technology that was recently installed there captures the body heat emitted by visitors and the heat radiated by spotlights, reusing it to heat or cool down the venue.

See the rest here.

Authors: Ruth Fraňková, Zuzana Machálková