Why is My Gas Furnace Blowing Cold Air?

November 13, 2018

As the temps change, the more you feel the cooler air blowing outside. And … in your home? If your gas furnace is blowing cold air and giving a chill to your Norton home, it’s time to reach out to HCE Systems Inc. Occasionally an absence of warm air from your gas furnace calls for a large repair, but a lot of time it can be an easy fix. Here are several reasons your gas furnace may be blowing cold air instead of warming up your house.

Your furnace may be overheating

If you haven’t had ongoing maintenance done on your gas furnace lately and you’ve forgotten to change your air filter, both could be the reason why your furnace is blowing cool air. A dirty air filter can prevent air from flowing freely through your furnace. When this happens, the furnace could overheat and cause the burner to shut down.

Your pilot light may have gone out

It could be that a lack of warm air from your gas furnace can be related to something as simple as a pilot light that’s gone out. It’s possible, particularly with older furnaces, for a breeze to put out a pilot light. Other factors when it comes to an extinguished pilot light are faulty gas valves or a faulty thermocouple.

Your furnace is dirty

Just as a dirty air filter can cause problems for your gas furnace, so can other furnace components if they aren’t appropriately cleaned. A dirty gas burner or flame sensor could cause your furnace to struggle to stay lit and leave you in the cold.

Your ducts may not be properly sealed

If your ducts aren’t sealed properly or if they have any cracks or holes in them, you could be losing a lot of heated air before it even reaches the vents throughout the home.

No matter what the reason for the problem is, HCE Systems Inc in Norton can help you get your gas furnace up and running at an efficient level again. We can also help keep it running with routine, preventive maintenance. Give us a call at 276-302-0076 or book an appointment with us online and we’ll be there to help.