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Why is My A/C Leaking Water?

Monday, March 04, 2019
Why is My A/C Leaking Water?

Few things are more annoying than a leak. Whether it's a pipe or your air conditioner, the experts at Day & Nite Plumbing and Heating are ready to help. As the weather gets warmer and your A/C starts to get some use, you might notice it leaking water. It's a common issue with a few potential causes. If left unchecked, a leak can also cause some expensive damage. We'll let you know what to expect and how we can go about fixing it. Here are some reasons why your air conditioner may be leaking.

It's Too Cold Outside

It actually could be too cold for you to use your air conditioner. If temperatures are still low outside, evaporator coils can ice over. This can cause a leak. We recommend that you don't use your air conditioner until the mercury on the thermometer drops below sixty degrees.

A Dirty Air Filter

If you've ever looked into HVAC maintenance, you know that the air filter is important. A leaking air conditioner is just one more problem that can be caused by an old, dirty filter. Air doesn't flow through your system as it should and the coils inside don't get properly ventilated. This can cause the evaporator coils to freeze and eventually melt, causing a leak. Change that filter once it's dirty and you may be able to avoid this issue, among many others.

Broken Condensate Pump

If the air conditioner's condensate pump breaks, it means that your equipment won't be able to get rid of excess water properly. It builds up in the condenser pan and just starts to overflow and leak eventually. A pro can spot this problem and fix the component.

Low Refrigerant Levels

If your refrigerant levels are too low, the coils inside of your air conditioner might freeze. This causes an overflow of the drip pan, which causes a leak. Like some of the other problems on this list, this can cause long-term damage to your air conditioner. You want to take care of problems like this quickly by calling in a professional.

A Disconnected Drain Line

An improperly installed air conditioner can have this problem, but it's also possible for a properly installed unit to develop a loose drain line over time. If it keeps getting looser and looser, it could detach from your air conditioner completely. This can cause an annoying leak.

Clogged Condensate Drain

This drain moves water out of the unit. If something is blocking its way, that water stays in your air conditioning equipment and builds up. Eventually, that causes a leak. A licensed HVAC tech can come out and see if dirt or even algae has blocked the way of the excess water that your air conditioner has been trying to move. Some people think a wet/dry vac can do the job, but you'll likely end up needing the specialized equipment that the pros use to solve this issue.

HVAC Repair

When you encounter HVAC problems, don't despair. Contact Day & Nite Plumbing and Heating and get your equipment working at peak performance again in no time. We're confident that we can fix any of your air conditioning issues all spring and summer long.


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Day & Nite Plumbing & Heating is a locally owned and operated family business. We care about our customers and stand behind our work. Your comfort and safety are our top priorities.