User contributions for Thoinsbcat
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A user with 1 edit. Account created on 30 June 2026.
30 June 2026
- 10:3910:39, 30 June 2026 diff hist +48,434 N Insulated vs. Non-Insulated Line Sets: What’s Required by Code? 65022 Created page with "<html><p> When a 4-ton <strong> heat pump</strong> stopped heating a custom home in mid-January outside <strong> Asheville, North Carolina</strong>, the refrigerant gauges told the story instantly: zero pressure. Tracing the <strong> refrigerant copper tubing</strong> from the outdoor unit up to the attic air handler, the technician found ice buildup where bare suction line ran through a vented attic. No insulation. No vapor barrier. And eventually, a rub-out and leak.</..." current
