Brad Lancaster shows you why salt-free rainwater is the best water for manufactured evaporative coolers (sometimes called "swamp coolers"), and living evapotranspiring coolers.
You never get any salt or other mineral build up on your evaporative cooler pads when rainwater is your water source. And salt-free, nitrogen-rich rainwater is also the best water source for your plant and soil life.
This video also gives you tips on cooler placement for greater cooling efficiency - whatever your water source.
The video was shot in the dryland city of Tucson, Arizona where average annual precipitation is 11 inches. Filming was done May, 2022 at the beginning of our hot, dry season. Summer rains usually come the end of June or early July.
Get more info on how to harvest and utilize the rain, and many other free, on-site water sources at:
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where you can buy the new full-color editions of Brad's award-winning books, "Rainwater Harvesting for Drylands and Beyond" at deep discount direct from Brad at:
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Evaporative coolers made by Bill Cunningham
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For the energy costs of air conditioning condensate and other waters,
plus how the refrigerant in air conditioners, refrigeration units, freezers, and ice machines is a major contributor to climate change, see:
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For more videos that expand on this one subscribe to this channel at:
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For related videos by Brad Lancaster check out:
• Increase Your Rainwater Tank's Capacity and Uses by Brad Lancaster
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• Plant the Rain—Don't Drain It—To End the Drought with Passive Water Harvesting by Brad Lancaster
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