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Why Is My Furnace Not Blowing Hot Air?

Why Is My Furnace Not Blowing Hot Air? - AirZoneBlog

You come home from work on a chilly winter evening. Instead of expecting a warm and cozy home, you are faced with a chilly interior. What’s the issue? Was a window left open? Is there a draft somewhere? You hear your furnace running but notice the air isn’t hot–what could be the issue? There could be numerous reasons why your furnace is blowing out air that’s not hot and we are here to address a few of them.

Your Thermostat

This is a more common issue with a simple solution. Many homeowners have their thermostat fan setting to “on” rather than “auto.” Keeping the thermostat fan “on” will allow the fan to continuously run without providing heat. When you switch the thermostat to “auto” this allows the fan to run only when the furnace is running.

Pilot Light

The pilot light may have gone out which is causing the cooler air. It could’ve gone out from something as simple as a gust of air.

Overheated Furnace

A furnace that has overheated could be the reason why you’re feeling cold air. Changing the dirty filter can actually help solve this issue. Restricted airflow caused by a dirty filter can cause your furnace to shut off. Try changing your furnace’s air filter and restarting the unit and see if that fixes the issue.

If you need furnace maintenance services, contact the expert HVAC contractors, Air Zone Heating & Cooling today.

All content provided on the Air Zone Cooling & Heating blog is for informational purposes only. The owner of this blog makes no representations as to the accuracy or completeness of any information on this site or found by following any link on this site.

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