The Family Handyman on MSN

Why Is My Furnace Blowing Cold Air?

Is your furnace blowing cold air? Here are some troubleshooting tips and simple DIY repairs for the most common causes for ...
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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 ...