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A refrigerant circuit is only as reliable as the copper connecting the indoor coil to the outdoor unit. I’ve seen brand-new condensers condemned as “bad equipment” when the real culprit was a bargain line set with contaminated tubing, thin walls, or insulation that broke down before the first real summer. One pinhole leak, one moisture-laden install, one sloppy bend in the wrong copper, and you’re back on site eating labor, refrigerant..."

2026-06-28T05:32:29Z

Created page with "<html><p> A refrigerant circuit is only as reliable as the copper connecting the indoor coil to the outdoor unit. I’ve seen brand-new condensers condemned as “bad equipment” when the real culprit was a bargain <strong> line set</strong> with contaminated tubing, thin walls, or insulation that broke down before the first real summer. One pinhole leak, one moisture-laden install, one sloppy bend in the wrong copper, and you’re back on site eating labor, refrigerant..."

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Understanding Copper Line Set Options for HVAC Projects - Revision history