How to Build Your Own Air Conditioner Fan


With the summer heat slowly entering our lives (and homes) this year, all of us are searching for ways to keep us protected. To create a cool ambiance in your home, you not only need a good structure but also good air circulation. At the end, an air conditioner is the best choice when it comes to effectiveness/effort. And with the cleverness of the DIY community, you don’t even have to spend money on a full size air conditioner, especially if it can come at a high price. Instead, build it in your home with things at your disposal.

• a tabletop fan;
• copper tubing;
• flexible plastic tubing;
• fish tank pumps;
• cold water reservoir;


The relatively inexpensive DIY project requires a bit of technical awareness, but the great thing about it is that it can be easily implemented by anyone without a degree in this field. Begin by wrapping copper tubing around the back and front of the fan; make sure you do this in a spiral manner. Be careful to connect the copper coils to the reservoir below with some flexible plastic tubing. This way, the fan will be able to oscillate freely. Now, the pumps will circulate the water from the reservoir up through the coils giving the chilled air you are yearning. Check the images to see if you achieved the same clever result.


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17 Responses to "How to Build Your Own Air Conditioner Fan"

  1. margaret billy says:

    on air-conditioner-fan so where does the fish tank pumps go?

  2. Javier says:

    Inside of the cold water reservoir

  3. Zulfiqar says:

    water reservoir pl. show on phto

  4. Don Tai says:

    Ingenious, and pretty cheap. All you really need is ice and an electrical power source for the fishtank pump and the electric fan. There are a lot of old people who die in the heat using only the electric fan because it does not cool. This mod does.

  5. Eddie says:

    You can also use a swamp cooler pump.

  6. D. Vaughn says:

    What do you do with the condensation that will eventually drip off of the copper tubing?

  7. Hugh Finlay says:

    Fantastically Great and simple idea not rocket science . Use an old cooler box make two holes in the lid . Fill box with water and ice and pump water through tubing allowing it to run back into the cooler box . SIMPLE

  8. Theo says:

    The fishtank pumps go in the cooler with the ice and coolant.

  9. Randy says:

    This is only good in areas of little to no humidity.where I live you have to take the humidity out

  10. Uwe says:

    Won’t the water just heat up in a few minutes and need to be cooled with an ice block or something…. If so, why not just direct the fan to blow over the ice block and forget about the rest of the project?

  11. Jerry says:

    Fish tank pumps do not pump water. They pump air. You will need a different pump for this.

  12. Howard says:

    Actually, as long as the water is kept pumping and the fan blowing, you should have minimal condensation collecting on the copper coil, since the moving air will carry off the cooled water flowing through the pipe. It is only after you turn off the fan that moisture in the air will condense on the tubing and may drip. But if you turn off the pump and let the fan continue to run until the water/pipe reaches ambient temperature, condensation should be minimal if any at all. Afterwards, shut off the fan and all is good.

  13. chris says:

    really go buy an air conditioner

  14. chris says:

    how dumb.

  15. peter says:

    please give a easy way of achieving these thing because most of things you mention can’t be get here

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