Woman freezing cold in house

Why is My Gas Furnace Blowing Cold Air?

As the weather changes, the more you feel the colder air blustering outside. And … right inside your house? If your gas furnace is blowing cold air and giving a chill to your Manassas Park home, it’s time to reach out to Woody's Sudden Service Inc. Occasionally an absence 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 regular maintenance performed on your gas furnace recently and you’ve overlooked changing your air filter, either could be the reason why your furnace is blowing cold air. A dirty air filter can block air from flowing freely through your furnace. If this occurs, the furnace could overheat and shut down its burner.

Your pilot light may have gone out

It’s probable 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, specifically with older systems, for a gust of air to extinguish a pilot light. Other reasons for an extinguished pilot light are damaged gas valves or a faulty thermocouple.

Your furnace is dirty

Just as a dirty air filter can cause issues 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 battle to stay lit and reduce the warmth inside your house.

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 might be losing a lot of heated air before it even reaches the vents throughout the home.

No matter what the culprit of the problem is, Woody's Sudden Service Inc in Manassas Park 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. Contact us at 703-278-2036 or schedule an appointment with us online and we’ll be there to help.

Back To Blog