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  • How to Make a Dehumidifier (Thermoelectric Cooling)

    This is a GREAT little project, and many people have 3/4 of the stuff in their computer junk boxes! Getting that heat off of the one side of that module is CRITICAL. I burned up two of them when my fan kept stopping, but they were only a few dollars each. I read that you can get better efficiency out of them with better heat dissipation, and that makes sense. I am going to get CRAZY and I am going to use 5 of the BIG 80 watt modules and make a car A/C system. I have two solar panels (420 watts total) and I am going to bolt them to the roof of my 17 years old Honda SUV to supply power for five 80 watt Peltier modules that will hang down from the roof inside the cabin, each with aluminum fins and small, quiet fans, while on the roof under the solar panels will be large, long custom alumi...see more »This is a GREAT little project, and many people have 3/4 of the stuff in their computer junk boxes! Getting that heat off of the one side of that module is CRITICAL. I burned up two of them when my fan kept stopping, but they were only a few dollars each. I read that you can get better efficiency out of them with better heat dissipation, and that makes sense. I am going to get CRAZY and I am going to use 5 of the BIG 80 watt modules and make a car A/C system. I have two solar panels (420 watts total) and I am going to bolt them to the roof of my 17 years old Honda SUV to supply power for five 80 watt Peltier modules that will hang down from the roof inside the cabin, each with aluminum fins and small, quiet fans, while on the roof under the solar panels will be large, long custom aluminum cooling fins 6 feet long inside a closed channel with a squirrel cage blower for all of the "hot" sides to dissipate heat. The panels will shade the car while they supply power to the modules to cool it off inside on hot, sunny, days here in Florida. It won't get cold, but it WILL cool it off by 10 or 12 degrees (I hope). Heck, just the shade from the solar panels will help on hot sunny days. I say again - GREAT project! You sparked my imagination for more uses for the Peltier modules..

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