Building a Peltier cooler-based cooling box - Second iteration

In this video I continue my experiment with a cooling box, or refrigerator. This cooling box uses two TEC12710 Peltier coolers as well as 2 Arctic Cooling Freezer 7 Pro CPU coolers for cooling the hot side. I had to apply some custom solutions for CPU the cooler because the size of the hot plate is only 3x3 cm while the size of the Peltier is 4x4 cm. I tried several ways in this video. I changed the fans on the cold side heat sink and I also clad the inside of the box with some aluminium foil. The results are promising, I almost reached 4°C.



Temperature charts of the measurements

The results of the two tests. Test 1 is without aluminium foil cladding, Test 2 is with cladding and better airflow around the cold side heatsink.

The results of the two tests. Test 1 is without aluminium foil cladding, Test 2 is with cladding and better airflow around the cold side heatsink.

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Assembling the dual TEC12710 cooler

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Building a Peltier cooler-based cooling box - First iteration, improvements