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southernnaturelover
11-17-2007, 08:29 AM
I had to crawl under my house a few days ago to run some TV cable, and I noticed that the main line coming from my a/c unit into the house doesn't have any insulation around it. The heater was on so the line felt warm when I touched it. Am I losing some heat by not having insulation on this line?:confused:

I don't know what the line is called, but it's looks like copper and has the refrigerant running through it.