Condensation Line In Attic

Noticeable musky damp odor.

Condensation line in attic.

Most but not all ac units will have an easy to locate access point to the drain line. Water builds up in the ceiling and eventually there will be a drip if the homeowner is lucky. Inspect your attic insulation. If you have taken the proper steps to remove excess humid air from your home and you re still having condensation issues it might be time to check the attic insulation.

The condensation drain line is plugged. Well just like any drain line the water should exit the drain and there should be no concern about freezing. There should be a constant drip when the air conditioner is running. Air handling units in attics should have a secondary condensation pan in case the primary condensation pan overflows.

Check that the condensation is being removed. It s usually located outdoors next to the compressor. Check the condensation line. This will kill any algae mold or mildew that has formed in the pipe.

Occasionally the secondary condensation pan will also clog and not drain. My husband climbed up into the attic to troubleshoot and quickly determined that we had a clogged condensate drain line. Ensure proper ac condensation line pitch and reduce elbow connection angles having your ac condensation line run straight as possible is ideal and a drop of 1 8 inch for every 12 inches of length is the minimum pitch. Just pour a cup of bleach in the drain line s access opening near the indoor air conditioning unit.

The line is a pvc pipe that runs from the condenser inside your house to the outside next to the compressor. The condensation drip from the condenser is carried from the inside to the outside. When everything is working properly condensation runs down the drain line and exits outside your house. Insulation is responsible for keeping warm air inside your living space and out of the attic where it can lead to condensation.

Find the condensate drain line and drain line access point. Look for white pvc pipe around 3 4 inch 1 9 cm in diameter coming out of your ac system s indoor unit. Look for an upside down or sideways t shape of pvc pipe with a removable cap. That s the line that your air conditioner uses to get rid of all the humidity that it pulls from the air.

If the condensate drain line is clogged you will need to use a wet dry vacuum or a special pump to unclog the line. If there is a condensate trap insulate it or just remove it since it probably just runs outside from an attic space. Traces where water has trickled down the walls. Signs of condensation in the attic may include the following.