How to Fix a Frozen Air Conditioner

February 23, 2015

Summer’s coming (as hard as it is to believe right now) and here's a common scenario with the average homeowner: They’re sitting in their house, minding their own business, having a bowl of popcorn and watching a movie, when all of a sudden – that distant dreadful sound; drip... drip... drip. They turn their head to see the dog licking at a puddle that's steadily forming on the dining room floor. Just like that, the mood changes: Worry, stress, and that sinking feeling. How did the leak start?; water heater, leaky toilet, shower, faucet? Not necessarily – it's the air conditioner of all things. This can strike anywhere, from Daytona Beach to Africa, regardless of weather.

Free HVAC for dummies ebook

Why Air Conditioners Freeze

The evaporator coil is the component of a central A/C unit that actually freezes. This component of the air conditioner transfers (evaporates) heat from the inside to the outside of your Daytona Beach area home. There are two primary reasons the evaporator coil may freeze:

  1. Airflow restriction
  2. Lack of sufficient refrigerant

Either way, the result is that the air conditioner's evaporator coil does not properly transfer heat, and consequently 'overcools' itself. The impact of this super-cooling is condensation (that's water formation), and over time ice forms from that condensation as it cools below the freezing point. In other words, the A/C just turned into an old-school icebox.

What Should You Do When Your A/C Freezes?

  1. Turn the A/C completely off at the thermostat, and don’t try to thaw the system by increasing the temperature at the thermostat. It is important that the A/C system is completely OFF.
  2. Check to ensure that the airflow around your system is unrestricted. Replace the furnace or air handler's filter and replace any return air filters. Open all the registers completely and verify that they are not impeded by furniture or drapery.
  3. Call All American Air Service Experts. The air conditioning system needs to be professionally inspected to ensure there are no refrigerant leaks or damage to the equipment. Simply schedule a Performance Inspection or Repair Diagnostic online, or call to talk to a live person right away.

What Does it Cost to Repair?

This can turn into an expensive repair. When your air conditioner freezes over it can lead to damage to the compressor. Replacing your compressor can cost as much as a downpayment on a new system. Actually, many homeowners are forced to pick between installing a new system and repairing the old model. If you follow the steps above and quickly call a NATE-certified technician, you have better odds of having a less expensive emergency.

Your technician will advise you of the exact cause and how to avoid the issue from happening again. If a leak exists (and that is rare, but possible), the leak has to be repaired or the unit will most likely freeze again.
Contact Us