Big line that runs outside to my A/C is sweating or too much condensation under my house, causing a great deal of water there. It has insulation on it, but is old. What would cause this much water.

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Originally Posted by flylgw

Big line that runs outside to my A/C is sweating or too much condensation under my house, causing a great deal of water there. It has insulation on it, but is old. What would cause this much water.

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High moisture conditions. Replace insulation to help control condensation.