Hvac Drain Pipe Clogged

Nowhere to put vacuum to suck out clog.

Hvac drain pipe clogged.

One of the most common reasons for an ac to stop working is a clogged drain line. When you locate the drain line s exit point you can also check for any obvious obstructions right at the end of the drain. About 10 years ago my line clogged up and ruined the ceiling under where the pipe crossed. If you already know that the ac drain line is clogged.

As air passes over the evaporator coils in your air conditioner it cools down and loses some of its humidity. The purpose of an air conditioner s drain line is to remove condensation that develops with the use of the ac unit s evaporator coils. Some newer hvac units have sensors that will alert you if your ac drain line is clogged so you can fix the problem before there s any water damage. The condensation drips off into the condensate drain pain and exits the system.

The ac condensate drain is designed to drain moisture your ac collects outdoors see image below. Because of warm air that blows over the cold evaporator coil of the hvac the drain pipe can get pretty humid. Why is my ac pipe clogged. This humidity is left behind in the form of condensation on the coils.

An ac pipe usually develops a clog due to algae. Look for a pvc pipe coming out of the wall of your home and draining into the ground. And along with the condensate traveling through the pipe these conditions are perfect for algae to thrive. To recap if it has been storming recently and your ac drain line is clogged it s probably due to dust and debris that has made its.

Have never had a problem since i started doing it. When the drain line backs up it can trigger a sensor that turns off the hvac system until the line is cleared. A clogged ac drain line is a fairly common cause of system malfunction and is often an easy issue to fix for a qualified hvac service tech. The good news is that do it yourselfers can handle the job without professional help.

To prevent serious damage to your system or your home be sure to contact a qualified hvac technician when you see signs of a condensate drain pipe clog. I traced the pipe through the attice and both units go into the large pvc pipe that goes down the wall and up out of the roof to the vent stack. If your unit isn t equipped with this technology you ll know the ac drain line is clogged because the drain pan is full of water. A clogged drain pipe on a central air and heating furnace causes problems inside the house and can create significant damage if not repaired.

That said this line is constantly damp dark and dirty the perfect conditions for mold and mildew growth. My a c units drain into a pvc pipe that is tied in to the house s plumbing.