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Fire & Water - Cleanup & Restoration

Why Is My Air Conditioner Leaking?

8/23/2019 (Permalink)

Though we’re nearing the end of August, the seemingly invincible summer heat will carry on and our air conditioners will be pushed to the limit in order to keep us cool. This persistent usage can result in a leaky AC unit. Just a little excess water doesn’t immediately signal a serious issue, but if repairs are not made to a faulty AC unit, the excess water can build, threatening significant danger to your home. Considerable water damage can lead to something as acute as mold and bacteria growth in an isolated area or major structural damage to walls, ceilings, and floors. It is important to be aware of the instigators of leaky air conditioning units, including clogged drain lines, incorrect installation, and frozen evaporator coils.

What causes an air conditioning unit’s drain line to clog? Dirt, debris, and rust from age can build up inside of the drain line, which blocks the line and causes the drain pan to overflow. This excess water can leak onto surrounding objects as well as carpets, floors, ceilings, and walls. If you have recently had your AC unit installed, leakage is likely a sign that it was installed improperly and that the drain line isn’t connected as tightly as it should be. Water can leak when a loose drain pipe completely disconnects from the air conditioning unit. Finally, it is important to monitor the condition of your AC unit’s air filter, as it can accumulate dirt with use and potentially clog the filter. Ice forms in the evaporator coils when the filter becomes clogged, resulting in a leak when the ice melts. It is a safe practice to replace your air filter regularly to avoid a leaky AC unit.

Suppose you take preventative measures and closely monitor the condition of your air conditioning unit, but you still discover a leak. In this case, the first thing that you should do is turn off your air conditioner and contact a professional to inspect the damage. You can also have a switch installed that will immediately turn the unit off when its air filter becomes dirty or if the drain line clogs, stopping the unit from leaking before it has the chance to start.

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