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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 |

”We weren't sure how serious our plumbing problem was, but Jesse, based on his knowledge, insured us it was minor and made the necessary correction. Jesse was great. We are…”

- Thomas Morris
5 Rating |

”I used Arctic Air Conditioning for an air conditioner coil replacement and they have serviced my furnace as well. They are professional, clean, and reasonably priced.”

- Eric Miller
5 Rating |

”I’m not sure to where to begin. Arctic Air and their employees are the best in the business. I did a home improvement project which included brand new systems (furnace,…”

- Jose M Castillo
5 Rating |

”Came when the said they would and fixed the problem. Price seemed fair. Robert is very pleasant to deal with and very knowledgeable. I’d definitely recommend them.”

- Deirdre Igoe
5 Rating |

”called at 10 PM becuase of no heat-service arrived at 830 AM, fixed at 845. Whats better than that. Javier was very informative of problem.”

- Mitch Horowitz
5 Rating |

”Number one company in NJ. They are very professional. Highly recommended. Don't be afraid to do business with them.”

- Nefailljubani N
5 Rating |

”the best service ,they are very professional.”

- Nefail Ljubani
5 Rating |

”They are very prompt and professional. Service personnel are very knowledgeable and efficient.”

- Marsha Smook Rosenbaum
5 Rating |

”Quick response even over weekend. Pleasant customer service. Repairman (Robert) showed up right on time, quickly fixed the problem with our furnace (which was not heating), and took the time…”

- joseph ciccolella
5 Rating |

”We called Arctic air because we were fed up with the former company we had used. I called Arctic air on Wednesday spoke to a very nice woman, and set…”

- S Berns
5 Rating |

”I use Arctic Air for all my air conditioning and heating needs (conventional central air, ductless air systems, and steam boiler and radiator heat). They consistently provide outstanding customer service,…”

- Darlene S
5 Rating |

”Always professional, honest and courteous. I highly recommend them for any of your HVAC issues and servicing.”

- Robert Ricciardi
5 Rating |

”Very quick and professional. Not sure if the best price but happy with the service.”

- Jimmy Kim
5 Rating |

”Arctic Air team is great! Scheduling is convenient. Email and text reminders are great. The technicians are on time, professional and courteous. Highly recommended!”

- Ran Yan
4 Rating |

”The estimate was the most in depth and accurate for my house. They worked with me on price and arranged financing. A large crew installed the system. The pipe layout…”

- Eli Terry
5 Rating |

”Unlike Corbin Electric who does not respond to service calls Arctic Air with on call at 7:30 AM sent a GREAT technician Robert Mauceri who was able to take care…”

- Anthony
5 Rating |

”Very professional service technician... stayed late to make sure my issue was resolved...”

- Anthony Scullari
5 Rating |

”I highly recommend Arctic Air! Fred was an amazing technician and had my system up and running again in 10 mins! Thank you for the great work! If I could…”

- Erin Hughes Murray
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