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 not heating and shows no error codes.
Common Symptoms
- Weak airflow from vents
- System running constantly
- Uneven indoor temperatures
- Higher energy bills
Possible Causes
- Hidden issue
- Thermostat fault
- Control board problem
How To Fix It
- Check thermostat
- Inspect wiring
- Verify system response
Safety Tip
Always shut off power to the HVAC system before inspecting wiring or internal components.
When To Call A Professional
If furnace remains unresponsive
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