If you live in a colder temperature, then your gas furnace is pressing to your family’s comfort, which is why it can be so frightening to turn on your gas furnace on a cold afternoon, only to discover that instead of warming your home, you are only getting cold air out of your vents.

There are a few common reasons why your gas furnace could be blowing cold air.

Here are some reasons why your gas furnace may be blowing cold air, plus what you can do about them. If your pilot light is out, your gas furnace may be blowing cold air. If your pilot light goes out, then your gas furnace has no way to give heat to your home. Some gas gas furnaces have pilot lights that can be lit by the user, while other pilot lights need to be lit by an Heating, Ventilation, plus A/C professional. Check out the side of your Heating, Ventilation, plus A/C idea for a diagram on how to find your pilot light. If you have an airflow problem, your gas furnace may be blowing cold air. An airflow concern can be caused by leaks or gaps in your air duct. Over time, the metal in your air duct will expand plus contract with the heat, plus it can cause gaps in your air duct, resulting in a loss of air flow. Having your air duct inspected by an Heating, Ventilation, plus A/C professional is the best way to ensure that your ducts are in regular working order. Airflow problems can also be caused by a plugged air filter. Your air conditioning system filter works to remove dirt, dust, plus other debris out of the air in your home, plus can become plugged over time. Most Heating, Ventilation, plus A/C professionals request changing your air filter every 30 to 60 afternoons, especially if you have pets.
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