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 is running but not producing heat.
Common Symptoms
- Weak airflow from vents
- System running constantly
- Uneven indoor temperatures
- Higher energy bills
Possible Causes
- Thermostat issue
- Dirty filter
- Ignition problem
How To Fix It
- Check thermostat
- Replace filter
- Inspect ignition system
Safety Tip
Always shut off power to the HVAC system before inspecting wiring or internal components.
When To Call A Professional
If furnace still does not produce heat
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