Why Is Your AC Blowing Mist: Top Five Reasons

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November 20, 2022

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Air conditioners play a crucial role in maintaining a comfortable temperature in your home and giving you and your loved ones a place to escape the heat. However, if your AC unit is blowing mist or white smoke instead of cool air, you may face a more significant problem than simply a malfunctioning unit.

Fortunately, you can do a few things to resolve these problems and get your AC system working again. This article discusses some of the most common reasons for an AC blowing mist and recommends excellent AC services in Orlando.

Reason #1: Clogged Drain Line

This is the most common cause of an AC blowing mist, and homeowners can solve the problem simply by hiring a professional HVAC technician to clear the drain line. If the drain line is clogged, the water cannot escape the unit, and the air conditioning system could overheat and create mist. 

Reason #2: Frozen Coils

Another common cause of AC units blowing mist is a frozen coil caused by incorrect thermostat settings or inadequate airflow through the condenser coils. Since the evaporator and condenser coils are outside, they can get cold in the winter and sometimes even freeze over. An AC technician can resolve the issue and ensure each evaporator coil functions properly.

Reason #3: Dirty Filters

A dirty filter can cause many problems for your AC unit, including clogs in the evaporator and condenser coils and a build-up of dust and dirt inside the unit itself. Regularly cleaning the air filters ensures that it works correctly and helps keep the air clean inside your home. If problems persist after cleaning, a technician must inspect the unit to determine which component is causing the issue.

Reason #4: Electrical Issues

An electrical issue can also cause your AC unit to blow mist, including problems with the wiring or the controls. This is something only a licensed electrician can address, and it should be handled by a professional as soon as possible to avoid further damage to the unit. Many types of electrical issues can cause this problem, and the only way to know for sure is to schedule an appointment with an electrician to check it out.

Reason #5: Clogged Condenser Coils

If the condensate pan becomes clogged with dirt or debris, it can prevent the water from the air conditioner from draining properly. This causes water droplets to overflow from the drain line and leak into your home.

In some cases, this water can come out of your AC unit as a mist, which can damage your walls and cause health problems for your family. Your AC technician can remove the debris from the drain line and ensure that it is working so that you can resume regular use.

If you have an AC blowing mist, contact a reputable HVAC company as soon as possible. If you need to know why your AC smells musty or want to schedule a repair service today, call TemperaturePro Orlando at (407) 225-8903 to speak to a professional.