Peltier Modules - Testing the 12708 and 12712

In today's video I will be testing Peltier Modules. Also known as Thermo Electric Coolers (or TEC for short) these are fun little components that can be used for cooling or heating by using the Peltier Effect, which is when a surface of the module gets hot, while the other gets cold and vice versa, when current flows through it's different semiconductors internally. Today I will be testing 2 different models which are larger in cooling and heating capacity then the more common modules. These are the 12708 and the 12712 and will be powered with 12V DC using an old computer ATX power supply. These models are capable of using 8 Amp and 12 Amp currents respectively, which equal to 96Watts and 144Watts of cooling / heating power respectively. The question is... Is bigger really better? Let’s find out! Let me know what you think of this video in the comments below and if you like this video, please consider subscribing to my channel for more great Techo projects! "ATX Power Supplies - Preparing and testing for use" video link:    • ATX Power Supplies - Preparing and testing...