The principal feature of this device is that the water is heated and cooled using Peltier elements, allowing a very wide temperature range, from below ambient temperature (0 °C) up to 100 °C, as ...

I tested it myself. Here’s my honest experience with this off-grid water solution that pulls clean water from thin air.

Aimed at complex profiles such as PVC lineals, retrofittable system adds turbulent cooling to calibrator to boost output by 25-50%.

Cooling If you’re a hot sleeper—as Rohrscheib says many athletes naturally are—you might consider opting for a mattress with a cooling element or upgraded cooling layer.