Furnace Not Heating When Fan Runs: What It Means 37602: Revision history

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30 December 2025

  • curprev 23:2723:27, 30 December 2025Marielcwcy talk contribs 18,973 bytes +18,973 Created page with "<html><p> If the furnace blower is roaring away and the vents are pushing air, but the house isn’t warming up, you’re not imagining things. The fan is moving air, yet the air lacks heat. The trouble could be simple, like a thermostat setting, or it could involve safety controls that shut down the burners. I’ve seen both in the field, often on the first cold snap when systems get their real workout. When you understand how the parts work together, you can narrow the..."