Tools That May Help
Before calling a professional, these common tools may help you check the issue safely.
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Problem
Gas is on but the furnace is not producing heat.
Common Symptoms
- Weak airflow from vents
- System running constantly
- Uneven indoor temperatures
- Higher energy bills
Possible Causes
- Ignition failure
- Gas flow issue
- Control problem
How To Fix It
- Check ignition
- Verify gas supply
- Inspect thermostat
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 ignite
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