Tools That May Help
Before calling a professional, these common tools may help you check the issue safely.
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Problem
Airflow is normal but the furnace is blowing cold air.
Possible Causes
Ignition failure
Gas supply issue
System fault
Quick Fix Tools (Start Here)
Before calling a professional, these are the most common tools used to fix this issue:
Thermostat
Inspection tools
How To Fix It
Check ignition
Verify gas
Inspect system
When To Call A Professional
If airflow is normal but no heat
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