Why is my AC system freezing up?

There are lots of reasons why your AC system freezes up.

Checking the air filter is clean and airflow isn’t lowered are the only work you can safely handle on your own. If you need to replace the filter, you can speed up the thawing process by disabling the unit and switching on the fan. If you have a heat pump, you can move it to heat mode until the ice has melted.

After the ice disappears, turn settings back to normal. If your unit freezes a second time, call Levy & Son Service Experts to take care of the malfunction.

Here are a few other reasons why your equipment may be freezing up.

Low refrigerant—Freezing may be created by a refrigerant leak.

What leads to a leak?

  • Fragile solder joints
  • Resistance from piping rubbing against an object
  • Cracked valves
  • Unsecured fittings

How long your system has been working and the location of the leak play a role in whether you should repair or replace your AC system.

Dirty evaporator coil—Throughout the seasons, the evaporator coil becomes dirty and leads to troubles similar to a dirty filter. You’ll slowly get lower airflow until your unit freezes or stops cooling. You’ll need to get in touch with Levy & Son Service Experts to fix the malfunction.

Defective blower motor or relay—A blower motor going at the wrong speed or not turning on at all can create freezing. It can also be irregular, going at full speed and going slower after it gets too hot. Or a relay can cause it to run one time and not the next. In either state, you will need to contact Levy & Son Service Experts to repair the problem.

Requesting regular AC maintenance may help you bypass this problem. Our pros will meticulously examine and clean your unit, which frequently allows us to locate minor issues before they cause huge issues.

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