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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 |

”Great service at a great price!! I called them at 8:30 AM to request a service call. New AC just stopped running. Service technician, Kyle Bowlin was at my house…”

- N S
5 Rating |

”From the initial phone call to the service tech to the constants updates from office staff Could not have been a smoother more reasonable experience Well worth the money”

- Brian Resnick
5 Rating |

”Excellent service. Office staff and technician were very pleasant and knowledgeable. Would highly recommend their services.”

- Scott Nemeth
5 Rating |

”I called Artic when Air went out and leaking into neighbors below on the 4th. My neighbors had spoken highly of them. Susan responded to me and was able to…”

- Lisa Wood Rossmeissl
5 Rating |

”This company is beyond top notch! Our AC system died right before this awful heat wave. The dispatcher got Tom to our house within a half hour to guide us…”

- Tracey Pawlak Reilly
5 Rating |

”I received the next available appointment and asked to be called if a time slot opened up. I truly was not expecting a call back and I did, changed to…”

- Gen McG
5 Rating |

”Tony was professional and very informative. He tested the air conditioner and let me know what worked and what was broken and let me watch his testing. Told me what…”

- Ann Peel
5 Rating |

”Had a brand new Lenox unit installed today. Super professional, great workmanship and customer service. A+ thank you all for your services!!”

- envieddesigns
5 Rating |

”Tony was great! He fixed the problem and still made it to our house as was promised even on a Friday evening at 7pm! We really appreciate the fact that…”

- Alexis Castellano
5 Rating |

”Air conditioning "died" on a 98 degree weekend. Extremly pleased that I was able to get a same day appointment. Christian showed up on time and quickly assessed the problem.…”

- Steph K
5 Rating |

”Took a no nonsense approach. Got right to the problem and resolved it very quickly. Fast, courteous and knowledgeable. I would absolutely use this Company and this technician again.”

- Frank Goodline
5 Rating |

”I would like to personally thank Arctic Air for making customer service a priority. A special thanks to “John” for reaching out and reinforcing my belief that I chose the…”

- Sunnie Casimiro
5 Rating |

”I have been a customer of Arctic Air for 9 years now. They are always prompt, knowledgeable and professional with their service. Today Dan Mawber (one of their service techs)…”

- David Heiblim
5 Rating |

”We have had wonderful service this week from Arctic Air. On Monday, Anthony came out to do our seasonal maintenance and made time in his schedule to accommodate us in…”

- Harry Himelfarb
5 Rating |

”Very personable, professional, neat and efficient.”

- Mike Spinelli
5 Rating |

”This is my third experience with Arctic Air Conditioning and the service has been excellent each time! My call this time was because my air conditioning wasn’t working so it…”

- Barbet Rucker
5 Rating |

”We arrived home to find the AC was not running, called the service. Rob was here and my AC was up and running by 615pm. No exaggeration! Excellent service! I…”

- Lisa Michalski-Sciarrino
5 Rating |

”My brother needed a new heating & air conditioning system. I had him call Arctic Air. Since my brother needed some help understanding what to ask I was there from…”

- javier santiago
5 Rating |

”Our old furnace conked out 3 years ago. Got one estimate for a new furnace, which was more than our budget allowed. Arctic's estimate was quite a bit less. They…”

- MsRollingthunder Bingham
5 Rating |

”Kyle was very professional! He was pleasant, knowledgeable, and efficient! I hope I won’t have any problems, but if I do I would request this great young man! Best Regards,…”

- Ellen Siberberg
5 Rating |

”Kyle was awesome. Very polite and professional. Serviced my AC unit in a timely fashion.”

- Sherry Komosinski
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