https://utilityexplained.com/tags/duct-blaster/Recent content in Duct Blaster on Utility ExplainedHugoen-usThu, 25 Dec 2025 00:00:00 +0000https://utilityexplained.com/blog/duct-leaks-symptoms-hvac-running-all-day/Thu, 25 Dec 2025 00:00:00 +0000https://utilityexplained.com/blog/duct-leaks-symptoms-hvac-running-all-day/<h2 id="quick-answer">Quick Answer</h2> <p>The three strongest duct-leak signs: <strong>(1) uneven room temperatures</strong>, <strong>(2) weak airflow at registers far from the furnace</strong>, and <strong>(3) runtime and utility bills climbing while your thermostat settings never change</strong>.</p> <p>Together they deserve a closer look — but they do not <em>prove</em> a duct problem. Equipment sizing, airflow balance, insulation, solar gain, and control settings can all mimic leakage. The reliable confirmation is a professional duct-leakage test, not a guess.[1]</p>