Does my AC only drain outside?


Old 06-04-14, 09:31 AM
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Does my AC only drain outside?

My house was built in 1983 and I know the codes are different now, but I believe there's nothing in the current Texas code that states an AC must drain into the regular sewage drain. I've seen in other people mention that there can be a primary line that goes into a sink or something (mine definitely doesn't do that). I ask this because my AC drain has made a mud pit in my backyard; I don't want it draining back there unless that's my only drain line.

My AC is in a closet on the ground floor. There's nothing that looks like a drain line in my attic and there's no roof vent (at least it's not made of PVC). The drain line comes out at the top of my unit (in the closet) and down into the slab. There's no drip pan either (definitely not up to current code).

Sorry for no pictures, I'm not at home right now.
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Old 06-04-14, 09:44 AM
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Welcome to the forums.

If your air handler is in a closet on the ground floor..... the condensate line would not be going to the attic/roof. Usually the condensate drain is routed to the nearest place to get rid of it..... be it outside or into a nearby drain.

Find where the line exits the house and re-route it. It's useable water.... route it to where it can be useful.
Old 06-04-14, 10:55 AM
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I was going to comment that your A/C couldn't possibly produce that much, til I looked at your humidity there. Guess you aren't in the dry desert part of TX like I was thinking. Prob clay soil too?

I've never seen one that was buried in the ground unless landscaping covered it after the initial build.
Old 06-04-14, 12:59 PM
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You might buy 2 bags of pea gravel (3 is better) and dig a hole at the location that your unit drains and fill it with gravel to build a French drain. This would bring it up to code and solve the mud issue.

A condensate pump is another option but they require maintenance.

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