How Do Bucketless AC Units Work? - Appliances - DIY Chatroom Home Improvement Forum

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Old 05-27-2010, 07:02 PM   #1
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How do bucketless AC units work?

I just ordered this unit:

This one as well as many others say they are "bucketless" or "self evaporating". How exactly does this work? Does the evaporated water go through the exhaust hose I hope? Or just in the air? Since if it just goes in the air, then it would never really dehumidify the room.


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Old 05-27-2010, 08:24 PM   #2
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It likely works like a self-evaporating refrigerator.

Water from the unit is collected in the bottom of the unit in a large flat pan. Either using air blowing over the top to encourage evaporation (with a fan) or using heat (which most fridges use) the water that's collected is routinely evaporated away.

Since your unit will not run 24/7 - and therefor will not fill the pan 24/7 - the water will evaporate through the entire day even when your unit is not running.

With excessive use, though, the pan can become too full - but modern-units of all types (ac/fridge/etc) have monitors that will balance out the unit running with the evaporation so you won't have routine overflows.
Or - it will notify you if the reclamation pan becomes too full, requiring you to empty it.


At this present moment in time I am making cabinets for the kitchen - just in case you wanted to know what I'm doing when I'm not around.
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