Why is My Gas Furnace Blowing Cold Air?

November 13, 2018

As the temps change, the more you feel the cooler air gusting outside. And … in your home? If your gas furnace is blowing cold air and putting a chill to your Moline home, it’s time to reach out to Freed Heating & Air Conditioning. Sometimes a lack of warm air from your gas furnace results in a big repair, but often it can be an easy fix. Here are some of the main reasons your gas furnace might be blowing cold air instead of keeping your home toasty.

Your furnace may be overheating

If you haven’t had routine maintenance performed on your gas furnace recently and you’ve overlooked changing your air filter, both could indicate why your furnace is blowing colder air. A dirty air filter can prevent air from flowing freely through your furnace. If that happens, the furnace could overheat and shut down its burner.

Your pilot light may have gone out

Sometimes 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 systems, for a draft to put out a pilot light. Other reasons for an extinguished pilot light are faulty gas valves or a faulty thermocouple.

Your furnace is dirty

Just as a dirty air filter can mean challenges 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 fight to stay lit and not be able to bring warmth to your home.

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 can get to the vents.

No matter what the root of the problem is, Freed Heating & Air Conditioning in Moline can help you get your gas furnace up and running at an efficient level again. We can also help keep it running with ongoing, preventive maintenance. Call our experts at 309-323-9584 or schedule an appointment with us online and we’ll be there to help.