3 Simple Steps to Repair a Frozen Air Conditioner

Does the air emitting from your supply registers unexpectedly feel warm? Look at the indoor component of your air conditioner. This piece is located inside your furnace or air handler, if you rely on a heat pump. If there’s water leaking onto the floor, there may be ice on the evaporator coil. The AC coil within the equipment could have frozen. You’ll need to melt it before it can cool your residence again.

Here’s what to do. If you can’t get the coil back to normal, A-PLUS Service Experts is here to support you with air conditioning repair in Waldorf upheld by a 100% satisfaction guarantee.*

Step 1: Set the Air Conditioning to Off and the Blower On

To begin—switch the thermostat from “cool” to “off.” This prevents chilly refrigerant from moving to the outdoor compressor, which could hurt it and cause a pricey repair.

Then, switch the fan from “auto” to “on.” This makes heated airflow over the frozen coils to make them melt faster. Double check to set the cooling mode to “off” so the air conditioner doesn’t start a cooling cycle.

It can take less than an hour or the majority of the day for the ice to melt, depending on the degree of the ice. While you’re waiting, watch the condensate pan under the AC unit. If the drain line is obstructed, it could spill over as the ice melts, potentially resulting in water damage.

Step 2: Troubleshoot the Issue

Insufficient airflow is a chief cause for an AC to become frozen. Here’s how to figure out the situation:

  • Check the filter. Inadequate airflow through a clogged filter could be the problem. Check and put in a new filter monthly or as soon as you notice a layer of dust.
  • Open any shut supply vents. Your home’s supply registers should remain open constantly. Sealing vents limits airflow over the evaporator coil, which might lead it to freeze.
  • Look for blocked return vents. These typically don’t have moveable louvers, but furniture, rugs or curtains can still block them.
  • Low refrigerant: While airflow restrictions are the most common culprit, your air conditioner may also not have enough refrigerant. Depending on its age, it may have Freon®. Low refrigerant necessitates skilled assistance from a certified HVAC tech. H2: Step 3: Contact an HVAC Expert at A-PLUS Service Experts

If poor airflow doesn’t feel like the issue, then something else is leading your AC frost over. If this is what’s happening, just defrosting it won’t repair the problem. The evaporator coil is likely to continually freeze unless you repair the main symptom. Contact an HVAC specialist to address problems with your air conditioner, which can include:

  • Refrigerant leak: AC units keep using refrigerant, so it shouldn’t run out. Low refrigerant is a sign of a leak somewhere. Only a tech can pinpoint the leak, repair it, and recharge the system to the correct amount.
  • Dirty evaporator coil: If dust accumulates on the coil, air can’t get to it, and it’s apt to freeze.
  • Broken blower: A broken motor or unbalanced fan might prevent airflow over the evaporator coil.

The next time your AC freezes up, contact the ACE-certified specialists at A-PLUS Service Experts to repair the situation. We have lots of experience helping homeowners diagnose their air conditioners, and we’re certain we can get things operating again in no time. Contact us at 301-747-3140 to schedule air conditioning repair in Waldorf with us right away.


*Not applicable to the Advantage Program. See your signed Advantage Program agreement for full details and exclusions. 100% Satisfaction Guarantee is subject to certain restrictions and limitations as set forth in the applicable Terms and Conditions.

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