Frozen Coil? Best way to thaw and next steps

 Frozen Coil? Best way to thaw and next steps

By: Brian Schutt  |  April 13, 2021

When you have a frozen coil, take these important steps

 

As the heat of summer rolls in, so do common air conditioning problems. This is because after sitting dormant for some time in the Indiana winter, your system is now straining to work again. And in Indiana summer, that can mean working against 90 degree weather. This type of weather has a knack for showing the problems within a system quickly. One of the more distressing problems that comes up is a frozen Evaporator Coil.

Reminder: what is the Evaporator Coil?

The Evaporator Coil is part of your indoor unit, found adjacent to the furnace. It includes coils (much like your outdoor unit) that help regulate the temperature of your home. Refrigerant passes through these coils to create cool air while the outdoor unit transfers heat. The fan in the furnace then pushes this cool air throughout your home. This makes the Evaporator Coil an important part of your system. However, many people overlook it as it is not as visible as the outdoor unit. Learn more about the Evaporator Coil and other heating and cooling basics in our HVAC 101.

Why do evaporator coils freeze?

As air conditioners age, one of the most common symptoms we see across Indianapolis is a frozen coil. There are a few reason it might happen. Anything that reduces the system’s airflow (for example, a clogged filter), can cause it. Many times it happens because of low refrigerant levels caused…

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