QA

Question: What Causes Ac Drain Lines To Clog

According to experts, clogging occurs when the moisture that drips off your evaporator coil carries dirt, small debris and other airborne particles into the condensate drain. The dirt and airborne particles will eventually build up and cause a clog.

Why does my AC drain keeps clogging?

Why Is My AC Pipe Clogged? An AC pipe usually develops a clog due to algae. Because of warm air that blows over the cold evaporator coil of the HVAC, the drain pipe can get pretty humid; and along with the condensate traveling through the pipe, these conditions are perfect for algae to thrive.

What happens when AC drain line is clogged?

A Clogged Line Will Freeze Your AC System A clogged condensate drain line will trap water in your air conditioner. As a result, the evaporator coil will eventually turn to ice. The moisture in the drain line can also freeze, which will cause your air conditioner to turn off.

How much does it cost to unclog an AC drain line?

Clogged drain lines If this condensate drain pipe is clogged, then the water flow is restricted, which causes water leaks in your home. To repair this line may cost you between $75 to $250.

Can you put Drano in AC drain line?

Drano is designed for food and grease so it won’t work in your AC drain pipes. I don’t recommend using Drano for this situation. If you want to use bleach, use 5 parts water to 1 part bleach.

Is bleach or vinegar better for AC drain line?

We recommend using vinegar instead of a bleach solution because bleach can be harmful to your AC system if your drain line has copper tubing. Using vinegar will not damage your system. Spilling bleach can also ruin carpet or clothing, whereas vinegar will just leave a strong odor.

How do I stop my AC condensate pipe from clogging?

How to prevent drain clogs? Clean your air filters often. Dust is one of the main causes of clogged air conditioner drains. Flush your drain lines. Routinely flushing your drain lines with warm water is an effective way to prevent blockage and keep your drain lines clean. Install a condensate trap. 4) Hire a professional!.

How do you tell if your AC drain is clogged?

A clogged AC drain line symptoms include: Musty, moldy smell near your indoor unit or in air from the registers/vents. Standing water near the indoor unit. Water damage in areas near the indoor unit. AC system is not cooling your home. AC system shuts down or doesn’t turn on.

Should my exterior AC drain pipe be dripping water?

Under normal conditions, the exterior AC condensate drain pipe should only drip water or produce condensation while the air conditioner is turned on. The small puddle of water this process creates should dry up quickly in warm weather.

Where does my AC drain line go?

Most AC drain lines are located outside, near the condenser unit. Push the stiff, thin brush into the end of the drain line. This might clear any clogs located near the end of the drain line. In most cases, the AC drain line clog will occur farther down and you’ll need to do a little more work.

Where do you pour vinegar in your air conditioner?

All it takes is 1/4 cup of vinegar, and a couple minutes of your time: Find your drain line. It should be near your drain pan, located near the air handler. Remove the cap. Pour in 1/4 cup of distilled vinegar. Place the cap back on the drain line.

How do you pour vinegar in an AC drain line?

Flush the drain line with distilled white vinegar. Slowly pour one cup of distilled white vinegar into the drain line’s opening and let the solution sit for 30 minutes. Alternatives to vinegar include hot water, peroxide, or bleach.

How often should you pour bleach in AC drain?

Using Bleach in Your AC Drain Be sure to use a minimum of 2 cups once or twice per year. Be advised, however, some newer units no longer recommend bleach or vinegar due to oxidation/degradation concerns.

Why does my air conditioner smell like vinegar?

Vinegar – When the air coming from your air conditioner smells sour, like vinegar, the problem could be from an electric motor that is emitting ozone. Other possible reasons could be excess condensation on the coils, a malfunctioning filter, a clogged condensate pan, or mold in the ductwork.

Can vinegar unclog drains?

Vinegar is made up of water and acetic acid, which is (you guessed it) an acid. Baking soda, vinegar and boiling water can help clean drains naturally, but you may need something stronger, like Liquid-Plumr, to fully unclog those really tough drain clogs.

Can an AC unclog itself?

The condensate drain line on your central AC unit does more to keep your unit running properly than you may think. Thankfully, it’s fairly simple to unclog a drain line, and you can do it yourself in just a few minutes. Sep 2, 2017.

Can I snake a clogged AC drain line?

When your A/C drain line clogs, a plumber’s snake may be the solution that saves you money. Snaking a drain line is a simple process with the proper type of snake. You can snake a clogged A/C drain line to remove blockages. Be careful when snaking the drain that you do not push the clog farther down the line.

How much water should be coming out of AC drain line?

Final Thoughts. Your air conditioner should naturally drain water that was once humidity out of your home. On average, you can expect 5 to 20 gallons of condensate per day. If water is not draining, your climate may be too dry or your system is not functioning properly.

How far should AC drain line be from house?

The condensate drain line is a white circular drain pipe not less than 3/4 of an inch in diameter. The problem that I see often as a Licensed Home Inspector is that most a/c condensate drain lines are routed outside, which is ideal, but stop or terminate 2 to 3 inches from the homes foundation.