What To Do If Your AC Line is Frozen

What To Do If Your AC Line is Frozen


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Is your air conditioner blowing heat air? Or is air merely not popping out in any respect? The wrongdoer could possibly be a frozen AC line. Most often, frozen AC strains consequence from a malfunctioning evaporator coil. This factor performs a key position within the heating and cooling course of — and if it’s not working, temperatures gained’t regulate correctly. Not solely can poor airflow harm the AC, nevertheless it’s additionally uncomfortable (particularly throughout summer season). Happily, there are steps you possibly can take to assist restore your AC:

  • Make sure that all provide and return air vents are open
  • Test for a unclean air filter
  • Assess your outside unit
  • Name an expert HVAC technician
  • Take preventative measures

Maintain studying to find what to do in case your AC line is frozen. 


Need to schedule an AC tune-up? Contact Cooper Heating & Cooling at this time!

In lower than an hour, considered one of our extremely educated techs will conduct a 17-point security and efficiency inspection to assist decrease your power payments and hold your AC working so long as attainable! 


Make Certain All Provide and Return Air Vents Are Open

In the event you discover issues with airflow, the very first thing you must do is verify your provide and return vents. Provide vents distribute clear, conditioned air all through your private home. As this air turns into stale, it’s pulled into the return vent, the place it’s reconditioned earlier than being despatched again out by the availability vent. 

When these vents are closed, air gained’t circulate within the house. Earlier than inspecting your AC, verify the vents in each room and guarantee they’re all open. 

Test For a Soiled Air Filter

One other attainable reason behind restricted airflow is a unclean air filter. Your air conditioner’s filters catch parts you don’t need to breathe in, comparable to grime and mud. Over time, filters can turn into clogged, finally blocking air from flowing out and in. The shortage of airflow can then trigger all the coil to freeze and can utterly prohibit any air from transferring by it. The AC could have to be powered off for one to 2 days to permit the coil to thaw after changing the filter to permit correct functioning of the unit. This particles can even accumulate in your AC’s evaporator coil, requiring a extra critical restore. Typically, air filters needs to be cleaned repeatedly (about each two weeks). 

Assess Your Out of doors Unit

Along with checking your AC, assessing the outside unit is a good suggestion. Often known as the condensing unit, it really works along with your inside unit to launch warmth exterior. A difficulty with the outside unit can lead to rising inside temperatures. 

Overgrown Shrubs or Clogged Leaves

From leaves and twigs to shrubs and particles, there’s no scarcity of outside parts that may accumulate round your condensing unit. When these parts get lodged contained in the unit, they will block airflow. Happily, eradicating the blockage can resolve the issue. 

Sounds of a Damaged Fan

Shrubs and leaves aren’t the one issues that may impede your outside unit’s airflow. If the fan is damaged, the unit gained’t have the ability to correctly do away with warmth — which implies the interior temperature gained’t go down. First, make certain the fan is spinning. Whether it is, verify for the next sounds of a damaged fan:

  • Buzzing
  • Rattling
  • Screeching
  • Hissing 
  • Clicking 

You must schedule an air conditioner restore should you suspect your fan is damaged

Name a Skilled HVAC Technician

Sometimes, you possibly can treatment poor airflow with at-home options like opening vents or cleansing filters. If these strategies don’t resolve the issue, contact an expert HVAC technician. You seemingly have a damaged or soiled evaporator coil in your palms. 

Damaged or Soiled Evaporator Coil

Inside each inside AC unit is an evaporator coil. This small instrument, which is positioned in your unit’s blower compartment, is stuffed with a substance known as refrigerant. As air passes over the evaporator coil, the refrigerant extracts warmth, holding your private home good and funky. 

When an evaporator coil turns into soiled or breaks, it can not sufficiently attract warmth. Because of this, it turns into too chilly, resulting in frozen AC strains. To repair the issue, you’ll want to exchange the evaporator coil. At Cooper, we provide a group of knowledgeable technicians who can study your unit and resolve AC issues shortly. Whether or not your AC strains are frozen or your outside unit’s fan is damaged, you possibly can belief us to get the job carried out proper the primary time — all whereas following your scheduling wants. 

Preventative Measures

No person needs to take care of a frozen AC line. Along with inflicting issues along with your air conditioner, they require skilled repairs. On the brilliant facet, there are preventative measures you possibly can take to assist guarantee this challenge doesn’t come up within the first place. 

Change Your Furnace Filter Usually

As talked about earlier, your AC makes use of the filter out of your furnace, and the filter is accountable for catching undesirable particles. Over time, this particles can construct up inside your unit, together with in your evaporator coil. To forestall this from growing right into a frozen AC line, clear your furnace filters and change them typically. Together with common cleansing, you must change the filters each 1-6 months, relying on the filter (verify the small print on the filters to see how typically they advocate alternative). 

Schedule Annual AC Upkeep

Common upkeep is an effective way to forestall AC issues earlier than they come up. Throughout an AC tune-up, an expert technician will consider your system and establish any points, reducing the danger of breakdowns or expensive repairs. 

Are you on the lookout for high-quality AC upkeep? Cooper Heating & Cooling provides a Inexperienced Membership Upkeep Plan that features two yearly tune-ups, precedence scheduling, and reductions. In the end, our aim is to maintain your system working easily in an effort to take pleasure in refreshing, cool air all yr spherical. 


Is your air conditioner providing you with hassle? Contact Cooper at this time!

Our extremely educated technicians at Cooper Heating & Cooling are right here to assist. Our dedication to customer support, FREE estimates, and 1-year renewable labor warranties have earned us hundreds of 5-star critiques. 

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Air Conditioning



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