3 Simple Steps for Fixing a Frozen Air Conditioner

Does the air coming from your supply registers unexpectedly seem not cold enough? Inspect the indoor portion of your air conditioner. This component is housed inside your furnace or air handler, if you have a heat pump. If there’s water seeping onto the floor, there may be ice on the evaporator coil. The AC coil in the unit could have frozen over. You’ll need to thaw it before it can cool your home again.

Here’s the steps you should take. If you can’t get the coil frost-free, Service Experts Heating & Air Conditioning is here to assist you with air conditioning repair in Alliance upheld by a 100% satisfaction guarantee.*

Step 1: Turn the Air Conditioning Off and the Blower On

First things first—switch the thermostat from “cool” to “off.” This stops chilled refrigerant from going to the outdoor compressor, which could harm it and cause a costly repair.

Next, switch the fan from “auto” to “on.” This creates warm airflow over the frosty coils to help them thaw faster. Double check to set the cooling mode to “off” so the air conditioner doesn’t trigger a cooling cycle.

It could take under an hour or most of the day for the ice to melt, depending on the amount of the buildup. While you’re waiting, watch the condensate pan underneath the AC unit. If the drain line is clogged, it might create a mess as the ice melts, potentially causing water damage.

Step 2: Troubleshoot the Problem

Poor airflow is a primary explanation for an AC to frost over. Here’s how to get to the bottom of the situation:

  • Inspect the filter. Poor airflow through a clogged filter could be the culprit. Look at and change the filter monthly or immediately when you observe dust accumulation.
  • Open any closed supply vents. Your residence’s supply registers should stay open always. Shutting vents decreases airflow over the evaporator coil, which might result in it freezing.
  • Look for covered return vents. These usually don’t come with adjustable louvers, but furniture, rugs or curtains can still obstruct them.
  • Not enough refrigerant: While airflow restrictions are the most frequent suspect, your system may also have insufficient refrigerant. Depending on when it was replaced, it may have Freon®. Not enough refrigerant requires skilled assistance from a certified HVAC tech. H2: Step 3: Call an HVAC Tech at Service Experts Heating & Air Conditioning

If low airflow doesn’t feel like the trouble, then another issue is causing your AC frost over. If this is what’s happening, merely defrosting it won’t fix the issue. The evaporator coil will probably freeze again unless you take care of the underlying issue. Get in touch with an HVAC professional to look for issues with your air conditioner, which might include:

  • Refrigerant leak: AC units keep using refrigerant, so it shouldn’t run low. Not enough refrigerant signals a leak somewhere. Only a pro can locate the leak, fix it, and recharge the air conditioning to the correct level.
  • Filthy evaporator coil: If dust accumulates on the coil, air can’t reach it, and it’s likely to freeze.
  • Malfunctioning blower: A defective motor or unbalanced fan may halt airflow over the evaporator coil.

When your AC freezes up, contact the ACE-certified technicians at Service Experts Heating & Air Conditioning to fix the issue. We have lots of experience helping homeowners diagnose their air conditioners, and we’re sure we can get things running again in no time. Contact us at 330-235-1260 to schedule air conditioning repair in Alliance with us right away.


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