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Fire & Water - Cleanup & Restoration

Why Is My Air Conditioner Leaking?

8/23/2019 (Permalink)

As we near the end of August and begin the transition into fall, summer temperatures will remain for a while longer, pressuring our air conditioners to continue relieving us from the heat. The chances of your air conditioning unit leaking are increased with constant use. While a small leak may seem manageable and not immediately concerning, it can grow into a much larger issue, resulting in serious amounts of water damage if your faulty AC unit isn't repaired quickly. Without repairs, you run the risk of mold or bacteria growth and caved-in ceilings as well as other types of structural damage to walls and floors. Being able to understand the problems that lead to leaky air conditioners, such as clogged drain lines, improper installation, and frozen evaporator coils, will help you to identify the reason why your unit is leaking and how to resolve the issue. 

An air conditioning unit's drain line clogs when debris, dirt, or rust accumulates within the drain line, creating a blockage that results in the drain pan overflowing. Leaking onto the pan's surroundings, objects such as carpets, floors, walls, and ceilings can be damaged. Suppose your home's AC unit was installed recently and a leak emerges. This is a common result of improper installation. When the drain line isn't secured tightly, the pipe can loosen and eventually separate from the unit, causing a leak. If your unit was not recently installed and its drain line is not blocked, your unit's air filter may be to blame. The longer an air conditioner is used, the greater the possibility of the filter filling with dirt, clogging the filter. When the filter clogs, ice forms inside of the evaporator coils and when that ice melts, the unit can leak. Replace your air filter on a regular basis in order to prevent the filter from clogging.

While you can take every preventative measure to prevent your air conditioning unit from leaking, there is always a chance that your unit could leak. In that case, turn off your AC unit and call a professional immediately after you discover a leak. Automatically shutting off the AC unit when its air filter or drain line clogs, a float switch can be installed by a professional to provide additional protection.

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