Saving Air Conditioner water ????

MelodyML(8/9 FL Gulf Cst)October 11, 2002

We are getting ready to move to a house that has a hose coming out of the AC unit, heading downhill (slightly)and water just running into the ground (pure sand). Any ideas of how to puddle or collect this water. Here we use our AC's at least 6 months out of the year. Alot of water wasted. Thanks for the help and ideas.

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jenny_in_se_pa(USDA7 Sunset 32)

I collected and used my AC drip water this summer. I had it run into buckets (either 2 gallon or 5 gallon as these were window ACs). You might want to consider a half-barrel or 55-gallon (eg., rain barrel) for storage and later re-use.

    Bookmark   October 11, 2002 at 10:21AM
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My mom saves hers. I'm not sure how her unit's set up, but she gets a lot of water from the AC and uses it on the plants. I gather it from my dehumidifier and use grey water when needed.

    Bookmark   November 1, 2002 at 10:25AM
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Probably OK, but desert dwellers with evaporative coolers should not use's way too salty. More modern evporative coolers have a flush device to reduce salt on the cooling pads, but even that water is would need to be diluted.

    Bookmark   November 2, 2002 at 3:42PM
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Crumpet, just curious, why is runoff from evaporative coolers salty? Where does the salt come from?

    Bookmark   August 1, 2012 at 2:53AM
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I use hoses attached to the drain to direct the water to my landscaping. This will provide much needed water for thirsty plants.

    Bookmark   January 14, 2014 at 12:46AM
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dmarin(Z9 NorCal)

A/C "water" is just condensate from the cooling coils of the unit. So it's just moisture from the air that collects and drips. It should be usable and even drinkable, in theory.

Evaporative coolers (swamp coolers) are different, and if that's what you have, do *not* consume the runoff. Ever hear of Legionairre's disease? Ya, that little bug was found in the reservoir of an evap cooler.

Here is a link that might be useful: Legionairre's Disease

    Bookmark   March 16, 2014 at 4:13PM
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The water in evaporative coolers is salty (to various degrees) because it's concentrated from the water running over the pads.

1 - If the evap cooler has a purge cycle, the salts in the water get more and more concentrated because the water is held in the cooler and pumped over the pads. Every few hours it purges brackish water and refills. Bad for most plants!

2 - A "flow through" cooler has a steady trickle of water flowing through it, over the pads, and out the overflow. These are rare because they waste so much water, but if you have one you can use the overflow to water plants with.

AC units are producing what is basically distilled water. Collect it in whatever you want and water your plants with it.

    Bookmark   May 28, 2014 at 8:46AM
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