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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 |

”Thank you so much Jaime! Now we have heat. Arctic Air is highly recommended, they came right away when I called them to fixed my furnace.”

- Chona Trinidad-Petzold
5 Rating |

”Artic has been our HVAC company for years. Totdsay's annual visit was special thanks to Kyle the technician/service specialist. AMAZING!”

- Jim Mc Connell
5 Rating |

”I️ had Connor from Artic come out and give me a price along with talking me through the whole process. The installers were great and did a terrific job. We…”

- Darren Ghaffari
5 Rating |

”Sal provided outstanding service. We scheduled a tuneup on our furnace and he was pleasant as was any of the staff we came in contact with. Very easy company to…”

- Michelle Hermelee
5 Rating |

”Had my heating and air conditioning unit installed by Arctic almost 6 years ago. I also use them twice a year for the unit tune up. I have never had…”

- Rochelle Polesuk
5 Rating |

”Arctic Air is one of the best companies around. I've tried other companies but no one compares to Arctic. They are always on time and provide the best, most thorough…”

- Donna West
5 Rating |

”Sal was awesome!!! Thorough, informative, helpful, and extremely nice. I highly recommend Arctic Air!!!”

- Valerie Deantonio
5 Rating |

”Excellent, fast reliable service. Have been a customer for over 20 years and ave never had a problem. Would definitely recommend!”

- Robert Bendetson
5 Rating |

”Our service person was Dan who arrived promptly to work on our heat pump, which was not preforming well. Unlike other service techs from other companies he thoroughly analyzed the…”

- Nancy G.
5 Rating |

”Our service person was Dan who arrived promptly to work on our heat pump, which was not preforming well. Unlike other service techs from other companies he thoroughly analyzed the…”

- Nancy Goldstein
5 Rating |

”Just replaced my furnace, AC and H/W heater with Arctic Air. The Elite team of Jim, Kevin, Joe, Michael and Brady were skillful, knowledgeable, reliable, considerate, efficient and as neat…”

- Deborah Sbarra
1 Rating |

”Brian from Artic air came to my house to give me a HVAC replacement quote and never sent quote to my email. I followed up twice on phone and once…”

- Mrunal Shah
5 Rating |

”I'm very pleased with the service provided by Arctic Air Conditioning. They did everything they said they would do as stated in the contract. Very professional workers! I will definitely…”

- Marcia Black
5 Rating |

”great service every year - a little maintenance goes a long way”

- Ryan Fitzgerald
5 Rating |

”Arctic Air is the best HVAC company! Their techs, especially Jesse, are so nice and extremely professional. I’m so glad I chose them to install my Lenox system in 2010…”

- Sandra Kuschuk
5 Rating |

”I can't say enough about the team we had come out and help us. We had a 70 year old house with a rigged ac/furnace system. Nothing about it was…”

- Brian Easley
5 Rating |

”Christian recently came to our house to install a part and we were very satisfied with his work. He is very professional and personable. He did a great job. Herb,…”

- Arlene B.
5 Rating |

”Excellent and professional service. My tech Jesse was friendly and personable. I highly recommend Arctic Air and Jesse.”

- Sy Wodakow
5 Rating |

”Jesse was so professional and very nice. We had maintenance done on our heater and he fixed a man nor issue we had and did not leave until everything was…”

- Stephanie Pollack
5 Rating |

”They are extremely courteous and professional.”

- Teresa Barba
5 Rating |

”Very pleased with Jesse's service to our furnace.”

- matt
5 Rating |

”Kyle was professional and polite. Work was done in a reasonable time and looks fine.”

- Daniel Ostrowski
5 Rating |

”Jesse was prompt, courteous, knowledgable and got the job done.”

- John Sandstedt
5 Rating |

”Kyle was knowledge and courteous...he gave me history about my unit and facts... a good job overall!”

- Jack S.
5 Rating |

”Always good customer service Arctic Air; Jesse was on-time and did a great job.”

- Leon Paley
5 Rating |

”The team that installed our new central air was very professional and polite. They did a excellent job. The price was reasonable. Highly recommended!”

- Joseph Burek
5 Rating |

”Called Arctic because my heater wouldn't turn on. Office staff is awesome, actually tried to troubleshoot over the phone before sending someone out! Technician came out and could have told…”

- Linda Angley Mirek
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