Why Is My Furnace Blowing Cold Air Instead of Heat in North Texas?
If your furnace is blowing cold air instead of heat, common causes include incorrect thermostat settings, a clogged air filter, ignition problems, or a malfunctioning heating component. Some furnaces also circulate cool air briefly during startup. If the air stays cold after several minutes, your heating system may need troubleshooting or professional repair. When temperatures…

