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3 Easy DIY Solar Air Conditioners

3 Easy DIY Solar Air Conditioners

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3. Copper Tubing Fan Cooler

This cooler is a little more work to set up, but is extremely effective, providing many hours of cold air.  It works by running ice cold water through a coiled copper tube attached to a large fan.  To make this setup, you’ll need a fan, copper tubing, clear vinyl tubing, a fountain pump, and a bucket or foam ice chest to hold the ice and water.

First, the copper tubing is wrapped to make a coil that fits the face of the fan.  This part is time consuming, but the tubing is pretty easy to work with.  The coil is attached to the front of the fan using zip ties.  Next, clear tubing is used to connect the copper coil to a small pond pump that is submerged into a bucket of ice water.  The pump circulates cold water through the coil, which stays very cold.  The air that is blown into the room is cooled down as it is passed over the coil.


This setup is quite a bit larger than the previous two and uses about 45 watts of power when running on high.  It is hooked up to a 3-panel solar setup.  An insulated bucket or foam cooler can be used to hold the ice water to keep it cold for longer.

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