Tools That May Help
Before calling a professional, these common tools may help you check the issue safely.
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Problem
Your furnace blows cold air after being powered off and back on.
Common Symptoms
- Weak airflow from vents
- System running constantly
- Uneven indoor temperatures
- Higher energy bills
Possible Causes
- System reset issue
- Ignition delay
- Internal fault
How To Fix It
- Allow system to reset
- Check ignition
- Verify thermostat settings
Safety Tip
Always shut off power to the HVAC system before inspecting wiring or internal components.
When To Call A Professional
If heating does not resume
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