Part 3/8:
Although it sounds promising, the reality is far from ideal. One common example of Peltier cooling in action is the compact personal fridge. Marketed as a way to keep beverages cool on demand, these devices often rely on the cheapness of Peltier elements to entice consumers into impulse buys. Yet, once engaged, they reveal their unreliability—often failing to achieve optimal cooling conditions.
Upon testing one of these personal refrigerators, the distinction between what’s expected and actual performance becomes glaringly apparent.