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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 |

”Thank you for excellent customer service and extreme professionalism. Alex Gallo was so informative and friendly and the guys that came to do the job were great and very clean…”

- Mia Robertson
5 Rating |

”Fantastic company. I would highly recommend!”

- James Blosser
5 Rating |

”FINALLY! I found a company that's honest, reliable & has well trained employees who explain everything in detail.. Impressed with the whole company from the sales men who come to…”

- Beverly Gearhart
5 Rating |

”Always reliable, work quickly, and reasonably priced.”

- Joseph Felicetti
5 Rating |

”We had a problem with our heat. They responded fast over the phone and within an hour they were at the house. Turned out to be a faulty flame sensor.…”

- Mike Green
5 Rating |

”Dan was exceptionally polite and professional. I would use arctic air again in a heartbeat. Particularly Dan. Very very happy!”

- Travis Fascia
5 Rating |

”Jesse did an excellent job and was knowledgeable in the furnace tune up process. I would recommend Arctic Air always. Thank you.”

- Vernon Fernandes
5 Rating |

”Jesse did a great job for us. Showed us that our humidifier had not been working for the past 4 1/2 years since we moved into our house. We hope…”

- Michael Klass
5 Rating |

”Got same day service for issue with my furnace. Michael C. was professional, friendly, courteous and wore protective shoe covers, so nothing from the outside was tracked inside. He explained…”

- Teri Somoza
5 Rating |

”Shout out to Frank of Arctic Air for answering my frantic calls last night and walking me thru process to stop water from leaking furnace pump and huge thank for…”

- Diane Diaz Carbone
5 Rating |

”It was my first time using Artic Air and have to say they were great! My furnace shut down on one of the coldest night of the year and they…”

- Lauren Johnson-Passanesi
5 Rating |

”We have been customers for decades and always find Arctic Air to be competent and reliable. Robert, the technician on our recent call, was prompt, professional, knowledgeable, and courteous!”

- Deborah Ross
5 Rating |

”They have always dispatched knowledgeable and courteous repairmen. I dealt with another company that whenever they came to my home (for routine maintenance) would try to sell me a new…”

- adele miller
5 Rating |

”Very nice Professional timely and knowledgeable Got an appt quickly Would use again”

- Jennifer Bracco Ring
5 Rating |

”Arctic air responded to our problem immediately and professionally. We had a 6 year old Trane HVAC system with a heat pump that stopped working. Their technician came out and…”

- Jeff Bouquio
5 Rating |

”Loved Michael C’s Service! He’s patient, kind, reassuring, prompt and knowledgeable!”

- Amanda Sura Isaacson
5 Rating |

”Dan was the best and he proved experience really counts to figure out the RCA with the issue I had. Thanks for the availability and support over the weekend.”

- Kuchu Naidu
5 Rating |

”Jesse from Arctic Air was great, very professional and on time. Great service as always! Thank you”

- Galina Brimshan
5 Rating |

”I highly recommend Artic Air Conditioning. From the initial vist to the completion of this job, the experience was great! What was quoted, was delivered, no unexpected surprises. The install…”

- Debra Malgieri
5 Rating |

”Our furnace broke on the coldest night in January! We called Artic air. Sue was very helpful and understanding of our frustration, she sent the owner Ross right over to…”

- Colleen Curreri
5 Rating |

”Artic Air sent Robert M.to our home to investigate why the thermostat was displaying an error message. He arrived within the time frame we were given and found the problem…”

- Kim Hudson
5 Rating |

”Anthony was such a gentleman. He took his time to look and find the problem causing our home not to have heat and hot water. After locating the problem, he…”

- Lydia Gray
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