let's learn why Peltier devices are not actually very cool in this new video:

https://www.youtube.com/watch?v=CnMRePtHMZY

Thermoelectric cooling: it's not great.

YouTube
@TechConnectify Are Peltier devices used in ships or airplanes or other vehicles where weight is a concern and the vehicles movement could also dive circulation of air/water against a radiator?