re: Larger copper line on my outside AC was frozen yesterday...advice?

quote:

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dirty outside or inside coils can also cause this

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THIS! Years ago, I panicked and call an AC guy out to fix it. He turned the unit off and stood there with a hose washing grass clippings and dirt off the outside unit for about 10 minutes and then wrote me an invoice for $120. Didn't have another issue for a few years.