Air ConditioningWhy Does My Air Conditioner Keep Freezing Up?

August 8, 2017by Sophie The Dog
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It’s a hot, humid summer day in Charlotte, and your A/C suddenly stops running. You head outside to see what the problem could be, and to your surprise, the air conditioner is covered in ice! How is that possible? Is it a good thing or a bad thing? Maybe it just means the A/C unit is cranking out some extra cold air for your home!

Spoiler alert: This is bad. Your air conditioner shouldn’t freeze; if it does, you need to find the source of the problem. Fortunately, Patterson Heating & Air Conditioning is here to help.

Clogged air filters

Is it any surprise that clogged air filters could play a part in your air conditioner freezing over? Dirty air filters cause all sorts of problems for healthy HVAC systems, and this is one of them. Make sure to change your air filter at least once a month to allow for greater air flow throughout your ductwork. Otherwise, you could be looking at a frozen A/C unit this summer.

Dirty ductwork in Charlotte

A clogged air filter isn’t the only thing that can restrict your HVAC system’s air flow. Dirt, dust and debris inside the ductwork can drastically reduce the air’s ability to freely move, which can spell disaster for your air conditioner. Call Patterson Heating & Air Conditioning to see how you can keep your ductwork clean.

Air conditioner refrigerant low

A/C refrigerant is what allows the unit to transfer heat from inside to outside, lowering your home’s temperature. Without the proper refrigerant levels, your air conditioner can quickly become covered in ice. In addition, refrigerant doesn’t get consumed during normal operation, so if your levels are low, there is a leak somewhere. Patterson Heating & Cooling will repair your refrigerant leak and recharge your system so you have reliable air conditioning all summer long.

Call Patterson Heating & Cooling today to schedule your A/C service!

704-375-5591

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CHARLOTTE OFFICE
3922 Greensboro St.
Charlotte, NC 28206