The Case for Shielded Insulation on HVAC Line Sets: Revision history

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16 February 2026

  • curprev 22:0222:02, 16 February 2026‎ Xippusjdvp talk contribs‎ 37,575 bytes +37,575‎ Created page with "<html><h2> <strong> Introduction: Shield It or Ship Another Callback</strong></h2> <p> The refrigerant gauge read zero. The attic air handler was fine, the condenser looked clean, but the telltale sweat on the drywall beneath the mechanical chase said everything: insulation failure on the line set, moisture dripping for weeks, and corrosion working quietly under UV-baked foam. I’ve seen this scene more times than I care to count. In coastal humidity or high desert sun,..."