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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
4 Rating |

”Technician knows what he is working on and professionally really good and advise you on next steps for the HVAC and Cooling systems.”

- Pavankumar Patri
5 Rating |

”Alfredo was awesome. Polite, informative and trustworthy. I enjoyed having him here to service our two a/c units.”

- Scott Kance
5 Rating |

”We’ve had Arctic air over for different jobs and their technicians were always on time, professional, knowledgeable, and kind. We had the furnace and water heater replaced in addition to…”

- Meagan Arceo
5 Rating |

”My Heating and Cooling system was installed by Arctic Air Conditioning quite a few years back. Since then I have been using their seasonal service most of the time. They…”

- Jay Chakraborty
5 Rating |

”The technician was on-time, friendly and very knowledgeable of the system. He gave us step by step info of what he was doing and why. He also offered a lot…”

- Jessie Jaime
5 Rating |

”Responsive and Good Service”

- Ganga De
5 Rating |

”Thank you to Artic air for making this whole experience a smooth one. It's good to know there are still good and reliable people and companies out here”

- Knight Norma
5 Rating |

”Arctic Air has been reliable for my family for many years starting with my grandparents, then parents and now my family. They came today and the technician knew exactly where…”

- Sevil Starr
5 Rating |

”Great, service by Anthony M and he checks humidifier to make sure all are working right. Very professional. Pricey but need it done yearly.”

- Vanna Mate
5 Rating |

”I am a retired field service engineer myself . My experience with this company was more than 110% positive rate from the office staff to the technicians parts department everybody…”

- Anthony Metta
5 Rating |

”Arctic Air is my go to place to HVAC repairs and service. Have used them for years, won’t use anyone else, they are the BEST!!!”

- Kathy Jaccard
5 Rating |

”Professional, courteous, reasonably priced and honest.”

- John Slipek
4 Rating |

”Tech was Alfredo who was excellent but I was disappointed that Arctic did not have circuit breaker to replace faulty breaker which I had I for them of before they…”

- Anthony Foti
5 Rating |

”I'd recommend Arctic air wholeheartedly. They are professional, courteous, and meticulous. The prices are excellent as well!”

- Diane Mecca
5 Rating |

”Used this company to purchase new AC and just did first maintenance. Everything fine and very professional, courteous service.”

- Lowell Weiner
5 Rating |

”Clogged a/c water line Great service very friendly and professional technician. Highly recommend!”

- Jackie Tarangelo
5 Rating |

”Great techs overall, knowledgeable, friendly yet professional, concerned about your safety, and they get the job done as soon as they can. We called on a Sunday about an issue…”

- jimwhoski
5 Rating |

”I called for an electrical issue, Sean came the same day. Was courteous, respectful & knowledgeable. I would recommend this company. I Googled electrician and Artic came up, I'm glad…”

- Sandy Helfrich
5 Rating |

”Replaced old ac unit and furnace. Extremely good work with clean installation. Highly recommend.”

- Revant Reddy
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