Climatech Blog

Why Does your Homes Air Conditioner Freeze in the Summer

This article explains why an air conditioner freezes and if you should schedule air conditioner service to address the issue.

Published

Your home’s central air conditioner works hard to keep you and your family cool during the hot summer months. Unfortunately, it’s fairly common for your air conditioner to become overworked, and actually restrict the airflow to your home. As hot as it may be outside, your air conditioner can actually become frozen. If this has happens to your air conditioner, don’t panic. This article explains why an air conditioner freezes and if you should schedule air conditioner service to address the issue.

It’s the Evaporator Coil

If your air conditioner ices over, the culprit is the evaporator coil within the condenser unit. There are two typical reasons the coil might freeze. First, the airflow through the coil is restricted. The system is trying to force more cold air through the coil than it can handle and therefore frost starts to build up on the system and slow the process even more. Eventually, the ice could cause damage to the inner workings of the system.

Or, It Needs Refrigerant

If this is not the case, a frozen AC may be due to a lack of refrigerant. Similarly, if this is the case, there simply isn’t enough “juice” to properly transport the air through the coil and things start to freeze up, giving your air conditioner a layer of ice and keeping your home from receiving the cool air it needs.

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What to Do

If your air conditioner has stopped cooling properly and has developed a layer of frost or ice, follow these simple steps and your home will be feeling good again in no time.

• Go to the thermostat and turn off your air conditioner totally.

• Check other areas of your air conditioner through which air flows to make sure air is not restricted. Make certain your air filters are clean and all the registers and vents are open.

• Call a licensed HVAC technician such as the ones at Climatech of Professional Air and schedule your air conditioner service. Whether your air conditioner is low on refrigerant or the evaporator coil is restricted, this is an issue that should be addressed by HVAC pros.

Contact Us

Climatech of Professional Air will be able to make a professional diagnosis of your particular problem and let you know what kind of service you will need to remedy the problem. You may reach us at 850-857-4700 orcontact us to schedule an appointment.

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Comfort in the Gulf Coast heat and humidity isn’t optional, and we treat every service call — from a routine tune-up to a middle-of-the-night emergency repair — with the same level of urgency and honesty. That commitment is why we’ve been recognized as a Building a Higher Standard award winner and why Pensacola homeowners have kept calling us for 48 years.

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Refrigerant manifold gauges connected to a residential air conditioner during a maintenance visit

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