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How to Make a Mist Cooling System

Mist cooling systems are popular in dry, hot areas, where evaporative cooling works best. These misting systems are found around patios and swimming pools, as well as many public areas. They work by spraying a fine mist of water into the air, which then quickly evaporates, making the air seem cooler. It can be compared to walking through a light fog, with similar cooling characteristics. Mist direction depends on how the nozzles are positioned, which is a matter of personal preference. Depending on the desired coverage area, this project should only take a day or two.
Difficulty: Moderate
Measure the area where the mist system will be located. For instance, if the hose faucet is to the side of the patio, measure from the faucet to the patio cover support, up the support and across the edge of the patio awning. The mist system can also run along the sides of the patio awning, if desired. This is the amount of vinyl tubing needed, plus 3 feet, just in case.
Wrap the threads of the outdoor faucet with Teflon tape and screw on the hose to tubing connector. Insert the tubing end into the vinyl tubing into the connector. It will be a tight fit since it is a pressure fitting; the tightness of the fit keeps it in place.
Connect the tubing to the patio supports or to the house, using the hammer and the plastic wire staples. Do this loosely at first, just enough to keep the tubing in place. This way, you an adjust the tubing as necessary. These plastic wire staples will hold the tubing in place without crushing it.
Determine where mist heads are needed. This is a personal preference. You can install mist heads from every foot to three feet apart and still be effective. Do not have a mist head spraying directly into a window or on a painted wooden surface, as water damage could occur.
Cut the line every place a mist head is desired with scissors. Cut the excess off the end, but keep it nearby. Place the "T" connections into these cuts. Cut about an inch of tubing from the excess, and place on end onto the "T." Repeat until all the "T"s have tubing on them. The end cut of the tubing is where the last mist head will go. There is no need for a "T" here.
Place the mist head into the tubing that is attached to the "T"s. Place a mist head at the end of the tubing. Turn on the water and check for leaks, as well as any mist heads that are not working. If some of the heads are not working, just replace them.
By Elizabeth Sobiski, eHow Contributor
updated: January 4, 2011
Read more: How to Make a Mist Cooling System | eHow.com
http://www.ehow.com/how_7725441_make-mist-cooling-system.html#ixzz1AhtE3xzZ

 
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