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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 |

”have been using arctic air for almost 30 years. excellent company.”

- Michael Frankel
5 Rating |

”Joe installed a vent cap on top of our heating exhaust pipe. He was on time, professional, efficient and friendly. We've been customers of Arctic Air for 10 years and…”

- helaine weiss
5 Rating |

”The service man, Kyle, was so helpful and he got our furnace going again. Also when I called last night after 10- or 10:30 when I realized that the furnace…”

- Betsy Brotman
5 Rating |

”Artic Air was recommended to me by a neighbor who had a new heating system installed. I needed a new heating system and A/C return vents installed in the bedrooms…”

- William P
5 Rating |

”great service”

- Arnold Mandel
5 Rating |

”Fred was here to do my A/C spring tuneup. He was very professional. I was very satisfied with the service he provided.”

- Murray Kasper
5 Rating |

”Excellent customer experience from estimate to installation! We installed a new central air conditioner since the one we had was ready for replacement. We received a few estimates and Artic…”

- Rhonda B
5 Rating |

”They were professional...on time...thorough...and great!!!!”

- cindy lawrence
5 Rating |

”Absolutely Amazing!!! Was pleasure dealing with Susan over the phone and everything was great from start to finish. Great customer service, very competitive pricing, on-time arrival as promised, and job…”

- Manpreet Singh
5 Rating |

”Sammy was amazing. He was thorough, efficient, and incredibly knowledgeable and professional!”

- Stacey Oxley
5 Rating |

”Nick was superb!. Highly recommended. I Nelson”

- Ira Nelson
4 Rating |

”Robert Rocks!”

- 7 DIZBUSTER
5 Rating |

”Sammy was very thorough and explained everything that he did. I was extremely satisfied with his service. I will continue to use Arctic Air and have recommend them to others…”

- Bob Pincu
5 Rating |

”The technician Jeremy was knowledgeable professional and took great care to check out the systems”

- Peter Sucher
5 Rating |

”Truly Amazing Company!! Each an every employee that has come to my home has always been Extremely professional; respectful an take the time to explain an educate the customer about…”

- Kathleen Wasko
5 Rating |

”As always the Arctic Air techs are perfect. They explain everything, are on time, very clean in their work and do a great job. Would highly recommend them.”

- Jeffrey Lefkowitz
5 Rating |

”The tech was on time, professional and shared multiple options for solve repair. Mike M. and Artic I would recommend and use again.”

- Sherman Lyerly
5 Rating |

”Artic Air did a check up on our central AC unit. They also repaired our furnace in the past. They are professional, curtious and clean up after themselves. They do…”

- Carol Hawrylak-Giordano
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