How to Clean Your AC Drain Line – A Simple Guide from Sam Pickren Air Conditioning
Your drain line plays a crucial role in removing condensation from your air conditioning system. But when it gets clogged, it can shut down your unit, damage your home, and leave you sweating in the Georgia heat. Let’s break down how to identify and fix the issue—and how to prevent it in the future.
What Causes a Clogged Drain Line?
With our high humidity levels here in Southeast Georgia, it’s no surprise that drain lines tend to clog up with algae, dirt, and debris. Over time, this buildup can stop the line from draining properly.
Why You Need a Float Switch
Before we get into cleaning, check if your unit has a float switch. This small mechanical device is designed to shut down your AC if the drain line becomes clogged, preventing costly water damage.
If your system doesn’t already have a float switch installed, give us a call—it’s a small investment that can save you thousands in the long run. While it can occasionally fail like any mechanical part, it’s an essential safeguard.
Signs of a Clogged Drain Line
One of the biggest clues? A blank thermostat. If your thermostat screen goes dark, there's a good chance your float switch was triggered due to a blockage in your drain line.
Here’s how to confirm:
Locate the float switch – usually found near your air handler.
Remove the top of the switch and peer down into the PVC drain.
If you see standing water, you most likely have a clog.
How to Clean the Drain Line
Once you've confirmed the blockage, follow these simple steps:
Find where your drain line exits your home (typically near the outdoor unit).
Use a wet/dry shop-vac to vacuum out the line. This should suck out any algae or debris blocking the flow.
Repeat regularly to avoid future clogs.
Keep It Flowing – Preventive Maintenance Tips
To keep your system running smoothly, we recommend:
Replacing your air filter regularly
Cleaning your drain line at least once every few months
Scheduling routine maintenance with a licensed HVAC technician
These simple habits can prevent bigger issues and keep your home comfortable all year long.
Still Have Questions?
Don’t hesitate to give us a call at Sam Pickren Air Conditioning. We’re always here to help keep your AC in top shape—because comfort should never be a question.
📞 912-882-3495
Stay cool out there!
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