July 14, 2016

Since air conditioners are made to cool air, it seems odd that they can actually freeze. Unfortunately, as too many Virginia residents can tell you, a frozen air conditioner is a real problem during hot weather.

To understand how to deal with a frozen air conditioner, it helps to know what causes them to freeze in the first place. Air Flow Blockage The most common reason for an A/C to freeze is air flow blockage. When an A/C is cooling a home, air flows through the evaporator coils. Under normal conditions, the air is moving fast enough to keep condensation from freezing up on the cold air conditioner components. However, if the air flow is slowed down or stopped due to a blockage, the condensation freezes. Dirty air filters are the most common culprit when you have air flow blockage that causes a frozen air conditioner. The good news is, the "fix" is usually as simple as these three steps:

  1. Shut your A/C off. This will allow it to start defrosting.
  2. Change your air filter. This will help air flow more freely.
  3. Turn on your fan only for an hour to an hour and a half. This will allow warmer air to circulate, melting the ice.

If these three steps don't solve your problem, or if your system keeps freezing in spite of having a clean filter, you may have blockages in other places, or you may have a more serious problem — a refrigerant leak. Refrigerant Leakage The second most common reason for an A/C to freeze is a refrigerant leak. There's not much a homeowner can do for a refrigerant leak. This situation requires a service call so that the HVAC technician can locate the leak. While some leaks can be fixed, if you have an older system, you may be looking at replacing it sooner rather than later. Your service technician can give you an idea about how serious the leak is and what your options are. Dealing with a frozen air conditioner? For this or other HVAC concerns in the Hampton Roads area, contact Russell's Heating & Cooling. Our goal is to help educate our customers in Chesapeake, Virginia and surrounding areas about energy and home comfort issues (specific to HVAC systems).  For more information about a freezing A/C and other HVAC topics, download our free Home Comfort Guide or call us at 757-750-1831. Credit/Copyright Attribution: “GSPhotography/Shutterstock”

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Russell's HVAC, HVAC service technician, VA

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What Our Customers Are Saying

  • I can't complement your team enough on the wonderful job done with regard to the installation of the new system in our home. More specifically, we want to recognize the outstanding efforts of: Roberto-- the initial visit and diagnosis of the problem.

    Dan & Connie, Virginia Beach

  • I recently had your team install a new gas package unit including all new duct work at my house in Chesapeake. I had a split system that had undersized ducting which was removed by your installers.

    Mike & Sandi, Chesapeake, VA

  • We purchased a one time service for $79. They came out on time, checked out the geothermal system...they were very professional and kind.

    Nicholas H., Chesapeake, VA

  • We would like to thank your company for an excellent job. We are very pleased with the new (Mitsubishi ductless mini split) system that was installed last week. It works wonderfully at heating our home.

    Danny and Teresa S., Chesapeake, VA

  • Not one single idea for improvement. Keep doing what you do. OUTSTANDING!

    Charles J., Norfolk, VA

  • Great job!...World class employees!

    Colleen & Jim C., Suffolk, VA

  • Everything went great! This is the second big project we've had done through Russell's and we couldn't be more happy! We had the most dedicated, polite, and respectful crew! The team consisted of Elliot, Chase and Sean. Sean was here for the removal process on day one, and did awesome!

    J. Luhan, VA Beach

  • Hi Nate, please pass along our appreciation for you, Elliot and Steve. We are very happy with you being able to arrange our ( Lennox ) replacement system so quickly!

    T. Johnson, VA Beach

  • Thank you for running a top notch company and sending over to us two excellent folks Terry and Shawn. They did an awesome job putting in our new furnace system. Also thank you for Donald and Nate who did a superb job as well. Please reward these guys with some sort of commendations or rewards....

  • ...folks need to know how wonderful working with Russell's Heating & Air Conditioning is. They were very professional all the way thru the process of getting our unit installed down to the payment plan. I have been telling our neighbors and my co-workers about the experience.

    Pamela F., Chesapeake, VA

  • Every moment from the time an appointment was set up until the day the work was completed was a pleasure. Every employee was a delight to work with. The proof that the product was great came when the electric bills started coming in the airconditioning season.

    Douglas P., VA Beach

  • I am extremely satisfied with both the Lennox unit I purchased and the employees of Russell's. Even with poor window and door quality in this overly tired house, I am actually cooled off sufficiently enough to call it chilly.

    Robin W., Chesapeake, VA

  • Over the years I have gained the utmost trust in my service technician Corey Lesko's knowledge and work ethic while servicing my system.

  • I am writing this letter to commend your company on a great job! We were very pleased with how the company performed in every area...the installers did an impeccable job. They were very knowledgeable, efficient, and hard workers—staying focused to the task in the extreme heat.

    Pastor Larry E. O'Brien, Churchland Assembly of God

  • A year ago, I contracted with Russell's to tune up and clean the heating and cooling system. How impressively your specialist cleaned my system...he also found a defective automatic (programmable) thermostat. Quite quickly, he replaced my automatic thermostat. The results?

    R. Snider, Norfolk, VA

  • You recently installed a new Trane unit for us. We want you to know we are completely satisfied. The outside unit is now a hum versus the roar of the old one...we also want to recognize the installer...we cannot overstate what we think of his workmanship.

    K. Hawkins, Portsmouth, VA

  • Great and prompt service – as usual. Everything from ordering the a/c unit to installation went smoothly. Thanks for everything.

    B. Fenstermaker, VA Beach

  • Everyone was very nice. I felt well informed about my purchase. Your staff is great! I don't usually return opinion forms, but you need to know you have a staff you can be proud of!

    V. Horn, Chesapeake, VA

  • You have a new customer for life and I will definitely tell all my friends about your prompt, courteous service, your knowledgeable technicians, and your very reasonable prices. Thank you very much Russell's. You warmed much more than just my heart!

    G. Knoop, Chesapeake, VA

  • Your company was very responsive to my needs. The quality of your work was extremely high.

    Ms. Bright, Chesapeake, VA

  • Your workers actually made this total replacement project an enjoyable learning experience...they were always willing to stop and answer any questions. Their pleasant and cooperative attitudes cannot be praised enough!

    J. Wellons, Portsmouth, VA

  • Very pleased with both the price and service. The installation went off without a hitch and everything exceeded our expectations. When finished, the work areas, including the attic, were so clean you couldn't tell anything had been done.

    T. Marsh, VA Beach

  • Great expertise and timely service.

    H. Turbeville, Chesapeake, VA