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Why Is My AC Freezing Up?


It’s been very hot in our area, as it tends to be at this time of year, but that doesn’t mean you should see ice anywhere on your cooling system. In fact, ice build-up is never a normal part of operation and indicates there is a problem somewhere in the system. There are typically three common causes for ice to develop on your AC, and it’s important to have the issue fixed no matter what it may be; simply scraping the ice off your air conditioner does not solve the problem. Here are the 3 main reasons why ice is appearing on your air conditioning system in Nanuet, NY:

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Clogged Air Filter

It may seem somewhat unlikely that a dirty air filter can cause such a problem with your air conditioner, but it’s true. Your air conditioner is made to work with a specific amount of air flow moving through the system; when this air flow is restricted by a clogged air filter, an imbalance occurs that can lead to the creation of ice on your system.

One – or Both – of Your Fans Aren’t Working Properly

There are two fans in your air conditioning system: the condenser fan, which is in the outdoor unit, and the evaporator fan, also known as the blower, in the indoor unit. These fans are an integral part of the air flow movement in your system, and if one, or both, malfunction, the air flow in your system won’t be at the level needed for proper operation.

There’s a Refrigerant Leak

Just as your AC needs a specific amount of air to operate correctly, it also needs an exact amount of refrigerant. Refrigerant leaks can develop in a number of places in your system, and when a leak does develop, it lowers the level of refrigerant system-wide. Refrigerant is responsible for facilitating the heat transfer process in your air conditioner, and when there isn’t enough of it, an imbalance occurs that can lead to ice development.

Any time your air conditioner has a problem, call the experts you can count on for all of your AC repair: Design Air, Inc.