How to Make a Cooling Tower

Cooling towers can be used to create cool air around your home.
Cooling towers can be used to create cool air around your home. (Image: Stockbyte/Stockbyte/Getty Images)

Find relief from hot weather by building your own cooling tower at home. Cooling towers are used around the world to balance out the moisture in the air and create a cooler atmosphere within a specific area. Simply stated, the cooling pads absorb hot air as it passes over them. This cools the air which then flows through the tower creating a cold air breeze in the surrounding area.

Things You'll Need

  • Heavy duty metal cutters
  • 25-foot water trough
  • 12-volt water pump
  • 12-volt battery
  • 4 12-foot by 1-inch steel pipes
  • 4 6-foot by 4-foot cooler pads
  • Stainless steel tubing
  • Metal cable

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Cut the sides of the water trough and reshape it to an eight-foot by eight-foot square. Apply clamps to each corner and seal all of the joints. Test the trough to ensure it is water tight. If there are any leaks then reseal the joints. Be sure that the trough is empty and dry before moving to Step 2.

Attach a 12-volt pump to the inside base of the water trough. Fill the trough with enough water to cover the pump.

Construct a support structure that is six-feet high using steel pipe. This structure will be used to hold the cooling pads that collect moisture.

Insert stainless steal tubing between the output of the water pump and the center points of all four sides of the support structure. This will help generate a flow of water from the pump across the cooling pads.

Create a suspension system for the six-foot by four-foot cooling pad using metal cables. The cooling pads should be hung vertically with one pad per side of the structure. Assemble the water output lines from the water pump onto the top of the cooling pad.

Connect a 12-volt battery to the water pump.

Fill the trough with water. Turn the pump on while filling to saturate the cooling pads. The cooling pads will drip excess water back into the trough. Once you reach the point where the tough is filled and the pads are saturated, you will be done filling. At this point you will feel the cool air escaping from the cooling pads.


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