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Furnace Repair Richardson: Why Is Your Furnace Running but Not Heating?
The thermostat display reads HEAT, set to a cozy 72°F. In the attic or utility closet, you hear the familiar hum of the blower fan kicking on right on schedule. Yet ten minutes later, you stand under a hallway supply register holding up a hand, only to feel a gentle stream of chilly air blowing […]