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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 |

”Dependable and great service. Had furnace and central air replaced. Price was affordable and the workers took care to keep everything clean and in order, laying drop cloths and clearing…”

- Carol Moreno O'Connor
5 Rating |

”Excellent service and support. Extremely happy with my new furnace and AC unit. Much thanks to Herb and Staff. Thanks again for everything. Paul M.”

- Paul A Mamone
5 Rating |

”On Friday evening I went down to my basement and much to my despair I had a leak from my furnace. I immediately called Artic Air and they were quick…”

- Harvey Driansky
5 Rating |

”In the installation of our new hot water heater, technician Scott was efficient, courteous and professional. I am a repeat customer of Arctic Air and they promptly helped me just…”

- Ann Marie Smith
5 Rating |

”I’ve been a customer for many years, their response is always quick and efficient, the people are knowledgeable and courteous. I highly recommend them.”

- Dinorah Munoz
5 Rating |

”professional on time, and courteous. they came and took over someone else's mess. the people who installed our boiler didnt respond. artic air took over got us a replacement boiler…”

- Francine Kukielka Brown
5 Rating |

”My hot water heater was leaking and I needed someone here fast. I had heard about arctic air and called them at 8:30AM. By 10:30 AM I had somebody in…”

- Jane Nebb Kearney
5 Rating |

”Dual water heater replacements: Sales staff(Jim)was prompt and patient in fielding all our questions. Appointment was made easily and plumber/technician(Scott) was knowledgeable and efficient. He also proactively took precautions to…”

- Bill Ly
5 Rating |

”I have recommended Artic Air to many people! The people have told me they are very honest and reliable! (That’s very rare in this day and age) Any heating and…”

- Arnie Schwartzman
5 Rating |

”Ive used Artic Air before to install a new hot water heater after I had a flood. They're response time was fast both then and now. Much appreciated.”

- Elaine Celi Bentley
5 Rating |

”I had the emergency and had the furnace checked and was very pleased with the serviceman, Tim. On time, efficient and polite. Good job!”

- Kevin Walsh
5 Rating |

”Excellent in every way”

- Jeff Weisenberg
5 Rating |

”Great info from Jim on getting info on water heater replacement, and outstanding job by Josh on the install. UPDATE: Had such a positive experience with this company w. r.…”

- Gary Feldman
5 Rating |

”Joe was great. Showed up on time diagnosed the problem and went right to work to solve it. Thank you Arctic Air”

- Allan Pollack
5 Rating |

”Outstanding service!! Polite, professional, respectful, friendly, and very very knowledgeable. Always a positive experience and would highly recommend.”

- Andrew Genecki
5 Rating |

”The technicians were very professional. They removed an old boiler and somewhat leaky water heater and replaced them with newer more efficient ones. Great work guys!!!! Will definitely recommend them.”

- J Bravo
5 Rating |

”The technician came on the scheduled time and his name is Dave. An amazing person who explained everything I need to know as new home owner. Thanks a lot Arctic…”

- Abu N
5 Rating |

”Excellent, professional service. Technician arrived on time. We have used Arctic Air for a few projects and have always been pleased. They are an honest Company and I would recommend…”

- Cori Shimkus Kane
5 Rating |

”The workers were respectful. They explained what they were doing and I appreciated the service.”

- Zac Regen
5 Rating |

”Great service and quality. Our technician Mike, was friendly ,& knowledgeable, love Artic Air, just wish they had an in house Electrician as well!”

- Maggie Torres
5 Rating |

”Highly recommended!!”

- Johnny Ng
5 Rating |

”3/5/20 - after getting estimates for a new furnace and humidifier, I was totally impressed by the Company’s pricing on same model, promptness, great workmanship, professionalism, cleaning up. The end…”

- Enza Valenti
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