Furnace Not Heating
high priorityFurnace runs but house stays cold
Understanding This Problem
A furnace that runs without providing heat is a common winter complaint. The cause could be simple or indicate a more serious issue requiring professional attention.
Common Causes
Thermostat set incorrectly
Clogged air filter
Pilot light or ignition failure
Gas supply issue
Blower motor problems
Heat exchanger issues
Blocked flue or venting
What You Can Do
Verify thermostat is set to HEAT mode
Check and replace filter
Verify gas supply valve is open
Check pilot light or ignition
Schedule professional inspection
Prevention Tips
- Schedule fall furnace tune-up
- Replace filters before heating season
- Test furnace before cold weather arrives
High Priority
This issue should be addressed promptly to avoid damage or discomfort.
Schedule ServiceCall (650) 555-HVAC24/7 Emergency Service Available
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