Furnace Blowing Cold Air in San Angelo, TX
A furnace that blows cold air instead of warm air is a common winter complaint. The blower runs, but the burner is not producing heat.
Common Causes
Pilot or Igniter Failure
If the pilot or igniter fails, the burner never lights and the air stays cold.
Dirty Flame Sensor
A dirty flame sensor can shut the burner off right after it lights.
Clogged Filter
A severely clogged filter can cause the furnace to overheat and shut the burner down.
Gas Supply Issue
A gas valve or supply problem can prevent the burner from firing.
When to Call for Service
Check the thermostat and filter first. If cold air continues, request service. Read why your furnace blows cold air.
When a heating or cooling problem needs professional attention, San Angelo HVAC Pros makes it easy to call or get a Free Quote for help in the San Angelo area.
Frequently Asked Questions
Why is my furnace blowing cold air?
Common causes include a faulty igniter, a dirty flame sensor, a clogged filter, or a gas supply issue.
Related HVAC Pages
Need Help With This HVAC Problem in San Angelo?
Call 325-939-8533 or get a free quote. San Angelo HVAC Pros helps local property owners with heating and cooling service.