The last thing anyone needs is for their furnace to start blowing cold air — especially in the winter. But what causes this problem, and how can you 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 ...

Gas furnaces are a common heating solution in Frisco homes, providing reliable warmth during cold months. While generally ...