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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 |

”I want to thank Artic Air Conditioning for sending me extremely knowledgeable technicians by the name of Matthew Ancona and Eduardo Rivera. They were very punctual, professional and thorough. I…”

- Sunil Pamnani
5 Rating |

”The service, responsiveness, and professionalism was top notch. Unfortunately, I had both my business and home heating stop working at the same time during the coldest week this winter so…”

- Amanda
5 Rating |

”I typically do not write reviews, but I would be totally remiss if I did not take the time to highlight the service quality delivered by Arctic Air. I have…”

- Joseph Funt
5 Rating |

”Artic Air tech did exactly what was needed to resolve heating issue. Clean, precise work. Project completed as planned. Friendly, neat techs.”

- George Joaquim
5 Rating |

”Very responsive & punctual. Techs Ed & Joe took the time to explain everything in layman’s terms. No pressure tactics. Alex was very professional.”

- Steve Panza
5 Rating |

”Came even before planned. Called before to ask permission for earlier visit. Excellent work/really pros/three AA reps came. They even covered their shoes. Really clean and positive performance. I will…”

- Joel Hershey
5 Rating |

”As usual, great service. Called yesterday and the appointment was set for today. Received a confirmation of the appointment and a message advising of the technician being enroute to my…”

- Humberto Otero
5 Rating |

”Arrived on time . Pleasant. Knowledgeable. HONEST. Now have heat!”

- Christine Rush
5 Rating |

”Fred S was great. Explained things as he went along.”

- Generic Customer
5 Rating |

”Nick did a great job on my service and asking my questions.”

- Lauren Kirkman
5 Rating |

”Very prompt and courteous technician Nicholas. Arctic Air has always done a great job at maintaining my furnace.”

- Ana Cardinale
5 Rating |

”Top Notch customer service. Ross was phenomenal. Just a few days ago I had a family emergency. My in laws (elderly) called and said their heat went out. This was…”

- Mark Luxe
5 Rating |

”Top Notch customer service. Ross was phenomenal. Just a few days ago I had a family emergency. My in laws (elderly) called and said their heat went out. This was…”

- Luxe Limo Service
5 Rating |

”I worked for Arctic air great company, high quality workmanship, great tech training, willing to go the extra mile to make sure the customer is happy every time. Plus the…”

- Richard Cranium
5 Rating |

”First time customer and had a great experience with Arctic Air. Used them for a furnace inspection. Price was reasonable. Their technician, Anthony was a pleasure to deal with and…”

- BJ Mathews
5 Rating |

”When an HVAC company shows up at your house, after you receive and email and text with picture (and their background), they walk up with booties in hand and put…”

- Darek Hahn
5 Rating |

”Excellent, prompt service. Highly recommend”

- nurseheart
5 Rating |

”Great Company with which to do business. Would like the option to enter into a contract with the Company.”

- Chinny Okparanta
5 Rating |

”Excellent service from Tony and Joe for an A/C repair we needed.”

- Kristen Indahl
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