“Water builds up and stands in the back of the unit through normal use. There is no drain. WON'T THE UNIT EVENTUALLY RUST OUT ? This seems really stupid. PLEASE HELP !”
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you need to have a slight angle on the a/c unit. The water gets full at first since it's removing the humidity out of the house (moisture). It will slowly drain out of the pan after a week or so, you will still see a little water at all times. Not a problem unless you don't have enough lean on the unit. Then water will drain into the house but unlikely. Old A/C window units had drain holes that clogged up anyway, have two new units with no drain holes. Once the moisture (humidity) is out of the house the water in the pan will evaporate.
Sorry, there was a problem. Please try again later.I have a fridgidaire window AC unit that does not have a drain hole- I didn't know they were made without holes when I bought it. What they have is something called a slinger where the fan blades slings water onto the coils to evaporate the water. It's somewhat noisy but a dif type of noise. Now I agree with water in the pan can cause rusting but after researching online I've found if you operate the unit in fan only it will dry out the water here and there. But I'm thinking of drilling a hole for draining because it's now starting to smell musty. I've only used it last year and now this year.
Sorry, there was a problem. Please try again later.The purpose of not having drain holes is for the fan to pickup the condensate and blow it through condenser coils which improves heat transfer from the coils into the air. This improves efficiency and reduces operating costs. I have never had one rust out yet.
Sorry, there was a problem. Please try again later.If you pay a little more attention, in the back it has tiny slots, but you have to install the unit tilted towards the back. (No more than 5 degrees and the water will drain).
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