Is Your AC Wall Unit Leaking Water? Here's Why
If your AC wall unit is leaking water, it’s natural to wonder if this is something normal. In some cases, minor condensation around the unit can be expected, especially during periods of high humidity. However, if the leakage seems excessive or is affecting the unit's performance, there may be a more serious underlying issue. Let’s take a closer look at some of the probable causes of AC leaks and what you can do to prevent them.
Let’s explore some of the most common reasons your AC wall unit might be leaking water:
1. Clogged Condensate Drain
The most frequent reason for a leaking air conditioner is a clogged condensate drain. Over time, the drain line can become blocked by dirt, dust, mold, rust, or algae, preventing water from draining properly. When this happens, water backs up and leaks out of the unit. This issue often requires a technician to clear the blockage and restore proper drainage.
2. Frozen Evaporator Coils
Frozen evaporator coils can also lead to water leaks. If the air filter is dirty or there’s insufficient airflow, the coils can freeze up. When the ice eventually melts, it can result in excess water that the unit is unable to properly manage, leading to leakage. Regularly changing the air filter and ensuring proper airflow can help prevent this issue.
3. Incorrect Installation
If your wall unit wasn’t installed with the right tilt, water can leak inside instead of draining properly. Wall-mounted units should always have a slight tilt toward the rear to ensure that water drains outside. If the unit is perfectly level or tilting forward, it can lead to water entering the room, causing damage and potential safety hazards.
4. Cracked Drain Pan
Over time, the drain pan, which is designed to catch water and direct it toward the drain, can crack or rust. This causes water to leak out before it even reaches the drain line. Replacing a cracked drain pan is necessary to resolve this issue and prevent further water damage.
5. Air Leaks
If warm, humid air is entering the AC unit and mixing with the cool air inside, excess condensation can form. This can lead to water leaking from the unit as the condensation builds up. Air leaks often occur when the unit’s seals are compromised or if there are gaps around the installation area.
6. Broken Condensate Pump
In some wall-mounted AC units, especially in commercial settings, a condensate pump is used to move water from the unit to the outside. If the pump fails, water can back up and leak from the unit. A broken pump typically requires replacement by a professional technician to resolve the issue.
7. Low Refrigerant
Low refrigerant levels can cause a variety of issues, including water leaks. When refrigerant is low, it can cause the evaporator coils to freeze. As the ice melts, water may leak out of the unit. Other signs of low refrigerant include a hissing or bubbling sound and warmer-than-usual indoor temperatures. If you suspect low refrigerant, it’s important to contact a technician to inspect and repair the issue.
How to Stop AC Leaks
Water leaks from an AC wall unit can cause significant problems if not addressed promptly. Routine maintenance is key to preventing these issues. Cleaning filters, inspecting the drain pan, and ensuring proper installation can save you from costly repairs and guest complaints.
At Advantage Air Conditioning Solutions, we’ve been providing exceptional customer service across South Florida for over 35 years, specializing in commercial PTAC and VTAC wall units. Whether it's addressing issues like water leaks or other AC concerns, our experienced team is here to ensure your units operate smoothly, keeping your guests and residents comfortable.
Don’t let a leaking AC unit disrupt your business. Contact Advantage Air Conditioning Solutions today for fast, expert maintenance and repair services!
