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Why Is Your AC Freezing?

Hands down, one of the most common questions we get here at Arctic Air Conditioning has to be why is my air conditioner freezing up? First off, good question! Secondly, there are actually a number of possible causes for AC units to freeze. A few are simple, quick, and an easy fix, but some of them definitely call for some professional attention.

Why Is My AC Frozen?

Without getting too complicated (trust us, it can get too complicated surprisingly fast), it most often boils down to one of two things.

Bad Or Improper Air Flow

Air conditioning units rely on a certain amount of free air flow to work. If the air flow that runs across your cooling coil is poor, it messes up the pressure in your unit, resulting in rapid temperature drops inside of the machine. Eventually, this internal cooling process will result in the unit freezing. Loads of issues can cause this, some common and easy, and others a bit more involved:

 

  • A dirty air filter (one of the most common causes of a freezing unit and easy to fix)
  • Dirty or clogged evaporator coil
  • Damage to the blower motor (something a professional will need to handle, though it’s often easy to spot)
  • Vents blocked or closed within your home (if too much air is prevented from flowing into your home, it restricts the unit’s effectiveness and can lead to a freeze)

Low Refrigerant

This one kind of sounds funny, right? But, in actuality, when your unit lacks refrigerant, it continues to make the same demands of itself as before. This results in the pressure dropping in your unit, plummeting the temperature until the point of freezing over. Refrigerant issues always call for professional assistance, as the substance requires expert care.

Uncommon Issues

There are some occasional other causes. If your unit is being run when the weather is too cool outside, it has a small potential of freezing the unit. And, of course, there is a slew of mechanical issues including clogged lines, damaged fans, and incorrectly sized parts (or units!).

Air Conditioner Repair & Replacement in Central New Jersey

Hopefully next time you find yourself asking “Why is my air conditioner freezing up?” you’ll have a better idea of what to look for and how to address the issue. The professionals at Arctic Air Conditioning are ready and waiting on you for all of your repair and replacement needs.

Testimonials
5 Rating |

”Jesse was prompt, courteous, reliable and did a really good job!”

- Clark Herman
5 Rating |

”Prompt, efficient and thorough at a very fair price. Couldn’t ask for more!”

- Thomas Carson
5 Rating |

”We just had a new system put in and from start to finish we could not have had a better experience. The techs were super knowledgeable and when they were…”

- Jill Ferkel Slater
5 Rating |

”He was very friendly and professional. He completed a very thorough job! That’s why we keep using Artic Air!”

- tammy
5 Rating |

”Clean, Professional, friendly and knowledgeable. Explained everything Units were installed in less than 24 hours after we made the decision to replace. Techs are friendly and honest. Even leaving the…”

- Jeff Penchansky
5 Rating |

”Technician (Kevin Duffy) did an outstanding job troubleshooting and then correcting the problem. He was very professional, knowledgeable and courteous . He cleaned up after the repair and explained what…”

- The Murphy's
5 Rating |

”Very professional. Jesse was very professional and polite. We round recommend Arctic Air as we feel they were honest and professional. Arrived at the allotted time and confirmed apply.”

- Leslie Rosenthal Kohn
5 Rating |

”Technician was very professional and knowledgeable. H explained the findings to me very thoroughly.”

- salvatore
5 Rating |

”We are very pleased with Artic Air. Jesse Evert was the technician who came to our home twice. Very professional, polite and knew his product. They have always arrived at…”

- Leslie Kohn
5 Rating |

”Jesse was on time, he was actually early. When he got here, he introduced himself and I explained my problem. He gave my A/C a complete examination and explained that…”

- michael
5 Rating |

”All was good! Upon his arrival, Jesse, explained everything about what this service call involved and what he was going to do. He then gave a detailed explanation following his…”

- lisa
5 Rating |

”Arctic Air is by far the best place I have seen. My install of the HVAC system was flawless! The technicians were so well versed, and so respectful of my…”

- Terri Amato
5 Rating |

”Matt was professional and knowledgeable. fixed our problem quickly!”

- Alok Saksena
5 Rating |

”Nice man, got the job done and our unit up and running in no time!”

- James Doria
5 Rating |

”Robert was knowledgeable, on time, and just overall great. Thanks for the fix!”

- Marina G
5 Rating |

”Jesse was very polite and knowledgeable. He answered all my questions and provided options to address my AC issue. So happy to have properly working AC and will definitely use…”

- suzanne
5 Rating |

”Tony was amazing. So kind and patient. Made me feel extremely comfortable. Very much appreciate the work he did in our home. Thanks again Tony for an interesting day.!!”

- Gina Bilz
5 Rating |

”Attic air installed a central air conditioning unit in my home today They arrived around 9:00am and were don by 2:30pm They were clean and neat Continued working I didn’t…”

- Maria Vignola
5 Rating |

”Kevin was great. He explained everything that needed to be done. Kept us in the loop so to speak. Could not ask for anyone better!”

- Ed Russin
5 Rating |

”We bought a new house and as luck would have it the AC went in the first few weeks. The Arctic Air Conditioning team was quick to come out and…”

- Michael Carrig
5 Rating |

”Again, Arctic Air did not disappoint! The experience from start to finish was first class, professional and efficient. The crew was thorough in its planning of the installation and thoughtful…”

- Semmes Brightman
5 Rating |

”I have used arctic air now on two seperate occasions. Each time a different technician . The reason why that is important, because they both were AWESOME. They do not…”

- J R
5 Rating |

”Excellent service. Technician was professional, candid, and efficient.”

- liz
5 Rating |

”The whole crew was awesome!! Thank you very much Artic Air.”

- Gary Brandspiegel
5 Rating |

”My air conditioning unit stopped working in 90 degree weather. Needless to say that it became very uncomfortable to live in my home. I googled “air conditioner repair” and scrolled…”

- HammRtrini
5 Rating |

”Great professional well done job by Dan. Thanks”

- Robert Contreras
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