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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 |

”Our technician Jesse was thoroughly professional and courteous while, all the while, maintaining social distancing. He quickly diagnosed the issue and completed the needed service is short order. I rate…”

- Larry Folvik
5 Rating |

”Arctic was very friendly, professional, and prompt. I received emails and texts confirming the appointment multiple times, and the tech who was on time and very nice. Would highly recommend.”

- Robert Radliff
5 Rating |

”Alex was awesome and very knowledgeable His professionalism is outstanding We hope to see him in the Fall for our Heating assessment thank you Patti Boniello”

- Patricia Decker-Boniello
5 Rating |

”Arctic Air came to the rescue when another local vendor, Artem HVAC, did not show up for their scheduled appointment after waiting all day. Finally at 7pm , after not…”

- Melany Freedman
5 Rating |

”great job unclogging a blocked AC drain , fixed the leak and system is running nice and cool!”

- Risa Weiss
5 Rating |

”Very happy with the service and the tec hnician.”

- Susan B
5 Rating |

”Moving to another town, we were happy to learn Arctic Air also covers this geographic region. We asked for an A/C system check on a system which we believe the…”

- Steven Myers
5 Rating |

”Professional and courteous and follows the safety procedures for the Virus”

- Ron Raskin
5 Rating |

”I had nothing but terrible experiences with Comfort Pros, the company I was stuck with through American Home Shield (barf!). So I opted for this company out of pocket (just…”

- Valerie Curry
5 Rating |

”Very professional and knowledgeable.”

- Ravi Ravipati
5 Rating |

”Arctic Air was very helpful with scheduling an HVAC furnace inspection. I received a text when technician was on his way with a photo & some background info (appreciated for…”

- L Koo
5 Rating |

”I had issue w/shower leaking this morning. Way to start a Monday morning. Scott (PLUMBER) was at my Condo between 9am-9:30am & replace my tub spout. Arctic Air also does…”

- Gina Gambino
5 Rating |

”My tenant had a problem with the air conditioning. The unit was working fine then stopped blowing cold air. We had her change the filter which was not changed in…”

- Thomas R.
5 Rating |

”Promptly arrived within appointed time. Very professional, explained what they were going to do and what was needed. I will use them again if I ever have problems with my…”

- Richard Guadagno
5 Rating |

”Artic Air has been servicing my AC for over 20 years. They are very professional and get the job done! Thank you”

- Annamarie Galante
5 Rating |

”Very good and professional service.”

- Robert Lata
5 Rating |

”My Tenant's air conditioning was not working over night. We thought the problem was a dirty air filter. That didn't work. Called Arctic Air as they had installed the unit…”

- Thomas Rokowski
5 Rating |

”Professional and reasonably priced for new air unit and maintenance.”

- Kristen Burdette
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