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Old 06-01-2010, 10:48 AM   #1
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Excessive A/C condensation help


I live in Marietta, GA and my home (built in 1997) has 2 central a/c units located on the side of the house. One unit is for the downstairs, and one unit is for the upstairs. We've got pretty terrible insulation which forces the a/c units to run almost 24 hours a day in the spring/summer. The condensation lines drain into a grassy ditch between my house and my neighbor's house, and that is where the problem lies. The constant trickle of water has caused the grassy ditch to get muddy, and my neighbor wants me to do something about it. Any suggestions? The lines exit the house about a foot above ground if that helps.

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Old 06-01-2010, 03:41 PM   #2
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Excessive A/C condensation help


Fins another area to make muddy.

Where does your neighbors condensate go?

Some areas will allow you to have your condensate drain to your sanitary drains.

Some neighbors need to complain about something.

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Old 06-01-2010, 04:33 PM   #3
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Excessive A/C condensation help


My neighbor's a/c units drain on the other side of their house. Unfortunately my neighbor has to walk through the muddy ditch to get to his back gate so I understand his point.
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Old 06-01-2010, 04:39 PM   #4
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Excessive A/C condensation help


See if your local codes permit you to run the drain into the sanitary lines.
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Old 06-02-2010, 06:16 PM   #5
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Excessive A/C condensation help


If you tie into your sewer watch out for sewer gas.
If you have an air handler the drain is under neg. pressure and can pull sewer gas into the system during the heating season when the drain trap dry's out.
If tieing into the sewer drain the best thing to do is use a cond. pump, that way there will be less of a chance of getting sewer gas in to the air flow do to the check valve in the pump.

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Old 06-02-2010, 07:55 PM   #6
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Excessive A/C condensation help


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Originally Posted by mariettadude View Post
I live in Marietta, GA and my home (built in 1997) has 2 central a/c units located on the side of the house. One unit is for the downstairs, and one unit is for the upstairs. We've got pretty terrible insulation which forces the a/c units to run almost 24 hours a day in the spring/summer. The condensation lines drain into a grassy ditch between my house and my neighbor's house, and that is where the problem lies. The constant trickle of water has caused the grassy ditch to get muddy, and my neighbor wants me to do something about it. Any suggestions? The lines exit the house about a foot above ground if that helps.
If your line exits a foot above ground, you could actually route it using PVC pipe to any point on around your house. Try to slope 1/4 per foot. (That gives you 48 feet that you can direct it where ever you want.) If you wrap around to the front of your house and put it in your front yard, that may work better for you and your neighbor.. PVC pipe and cement would work great. Even if you can't do 1/4 per foot, it is likely not an issue to route it away wherever you want. Do you know if it is gravity fed or condensate pumped?
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Old 06-02-2010, 08:42 PM   #7
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Excessive A/C condensation help


Weird, normally the condensate is indoors, no? When they did my parent's AC they just linked it with the furnace condensate line.
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Old 06-03-2010, 11:28 AM   #8
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Weird, normally the condensate is indoors, no? When they did my parent's AC they just linked it with the furnace condensate line.
You want the drain to go outside the house, not rot out the crawl space.

My furnace and AC are combined, but it drains outside. I have a gravity drain, not a pump with a drain..
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Old 06-03-2010, 12:46 PM   #9
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Excessive A/C condensation help


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Originally Posted by zootjeff View Post
You want the drain to go outside the house, not rot out the crawl space.

My furnace and AC are combined, but it drains outside. I have a gravity drain, not a pump with a drain..
It goes to the city sewer or storm system though, at least I'm pretty sure that's how I remember them hooking it up.
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Old 06-05-2010, 08:48 PM   #10
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Excessive A/C condensation help


My dad ran a regular lawn hose from the drain to his garden. Free garden watering!

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