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We have had a coleman central air system for 5 yrs. It stopped blowing cold air into the house about a week ago. You can still here it running but no air is coming out. my husband replaced the fuses and over night it did the same thing so when my husband went to check out the unit outside he said that the line had ice on it. Is there a filter within the central air unit that needs replaced?

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Ice is an indication that the refrigerant is not flashing off correctly in the evaporator coil. In most cases you can simply turn the unit off (until it completely thaws inside and out) and replace the filter. Make sure that all the vents in the house are open as well. If this does not work then you will need a technician to come out and check the refrigerant levels in the system. Ice can indicate that the refrigerant is low. I hope this helps.

Posted on Jul 08, 2008

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