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If your furnace is blowing cold air, here's what it's trying to tell you

If your furnace is giving off cold vibes, even when you turn the heat up, it's a sign that there's a problem. It may be an ...
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11 Reasons Why Your Furnace Isn’t Blowing Hot Air and How to Fix It

Check thermostat settings, filters, and fuel supply first when your furnace blows cold air. Call an HVAC technician for issues like sensor failures, clogged burners, or duct leaks. Skipping routine ...