If your AC has been running nonstop the last couple of days, here’s a question worth asking: have you checked around the unit for water?
With Cross Roads sitting at 97° today and another scorcher expected Sunday at 96°, air conditioners across North Texas are working about as hard as they ever will this year. And when an AC system runs that hard for that long, condensation lines are exactly the kind of thing that quietly fail.
Here’s why the next 48 hours matter more than you’d think, and what to actually look for.
Why Extreme Heat Causes AC Overflow
Every central AC system pulls moisture out of the air as it cools your home. That water is supposed to drain away through a condensate line, usually into a drain pan and out through a small PVC pipe near your outdoor unit or attic air handler.
When it’s 97° outside, your system runs longer cycles, more often, which means it’s pulling more moisture out of the air than usual. More moisture means more condensation. More condensation means more strain on a drain line that may already have some algae buildup, a small clog, or a slight sag from age.
Add all that up, and peak heat days are when condensate lines that have been “fine for years” finally overflow.
Where to Actually Look
- The drain pan under your attic air handler, if you have one — check for standing water or staining on the wood around it
- The ceiling directly below an attic unit — a yellowish-brown stain or soft spot is often the first sign
- The wall or floor near an indoor closet unit
- The PVC drain line outside near your outdoor unit — is it actually dripping, or bone dry?
- Musty smell in a room that didn’t have one last week
None of these take more than five minutes to check, and doing it today, while the heat is at its peak, is exactly when you’re most likely to catch a problem before it becomes a bigger one.
Why Speed Actually Matters Here
A slow AC leak is sneaky because it doesn’t look like much at first. A little water in a drain pan, a faint stain on the ceiling — it doesn’t scream emergency. But condensation leaks often happen inside a wall cavity or above a ceiling, out of sight, for days before anyone notices. That’s exactly the kind of quiet, ongoing moisture that mold loves.
This is one of those situations where “it looks fine” and “it is fine” are two different things. Surface materials can look dry while the wood, insulation, or drywall behind them are still holding water. That’s not a scare tactic, it’s just how moisture and building materials actually behave.
If you do find water today, here’s the honest, no-drama version of what should happen next: get the source stopped (usually means shutting the system off or calling an HVAC tech to clear the line), get the standing water up, and get the area assessed for how far the moisture actually traveled. The first 24-48 hours after any water event are about stabilizing things and starting to dry, then reassessing once the picture is clearer. That rhythm applies just as much to a quiet AC drip as it does to a burst pipe.
What This Isn’t
To be clear, most AC condensation issues in Cross Roads this weekend won’t turn into anything serious. A quick check, maybe a line that needs clearing, and you’re done. I’d rather you look and find nothing than not look and find a soft ceiling in three weeks.
And if you do find something and you’re not sure how serious it is, that’s a completely normal thing to want a second set of eyes on. I’d rather answer a question that turns out to be nothing than have someone sit on real water damage because they weren’t sure it was “bad enough” to call.
If You’re in Cross Roads or Nearby
Merlene Mitigation is based just down the road in Pilot Point, and we’re currently offering free water damage inspections through August 6th, 2026. No pressure, no upsell — just an honest look at what’s going on and straight answers about what it means for your home.
You can call or text Josh directly if you’d rather not deal with a phone tree — a lot of folks prefer texting, and that’s just fine. One person answers, one person shows up, and one person stays accountable for getting it right.
And if nothing’s wrong today but you want to be ready in case something happens down the road, our free guide, The First 24 Hours After Water Damage, walks through exactly what to do in that first critical window — worth five minutes now so you’re not scrambling later.
-Ally
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