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My aircon is freezing up its only 6 years old. the furnace is old old not sure how old though. I noticed that the drain hose from the furnace was plugged can that cause freeze up?

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  • Randy Fitz May 11, 2010

    Is this a central unit? Brand?

    What is the humidity in your area?

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The condensate drain must be clear, otherwise there will be a lot of moisture in the coil area. If there is not enough air flow the coil can freeze -check filters are claen and fan is working properly.

Posted on Jun 16, 2009

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