Why is My Gas Furnace Blowing Cold Air?

November 13, 2018

As the temps change, the more you feel the cool air blowing outside. And … inside your home? If your gas furnace is blowing cold air and putting a chill to your Kutztown home, it’s time to reach out to Moyer Total Indoor Comfort. Sometimes the loss of warm air from your gas furnace calls for a major repair, but often it can be a small fix. Here are some of the main reasons your gas furnace might be blowing cold air instead of keeping your home toasty.

Your furnace might be overheating

If you haven’t had routine maintenance completed on your gas furnace for some time and you’ve overlooked changing your air filter, both could indicate why your furnace is blowing cold air. A dirty air filter can stop air from flowing freely through your furnace. If that happens, the furnace may overheat and cause the burner to shut down.

Your pilot light may have gone out

Sometimes a lack of warm air from your gas furnace can be credited to something as simple as a pilot light that’s gone out. It’s possible, specifically with older models, for a gust of air to smother a pilot light. Other causes of an extinguished pilot light are defective gas valves or a faulty thermocouple.

Your furnace is dirty

Just as a dirty air filter can result in challenges for your gas furnace, so can other furnace components if they aren’t properly cleaned. A dirty gas burner or flame sensor could cause your furnace to struggle 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 may be losing a lot of heated air before it ever reaches your vents.

No matter what the reason for the problem is, Moyer Total Indoor Comfort in Kutztown 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 484-646-3363 or arrange an appointment with us online and we’ll be there to help.