Why is My Gas Furnace Blowing Cold Air?

Heating

As the seasons change, the more you feel the cooler air gusting outside. And … in your home? If your gas furnace is blowing cold air and giving a chill to your Carpentersville home, it’s time to contact Controlled Comfort HVAC Inc. Sometimes a lack of warm air from your gas furnace results in a big repair, but a lot of time it can be an easy fix. Here are a few of the more common reasons your gas furnace could be blowing cold air instead of making your home warm and cozy.

Your furnace could be overheating

If you haven’t had regular maintenance done on your gas furnace lately and you’ve overlooked changing your air filter, both could be the reason why your furnace is blowing colder air. A dirty air filter can stop air from flowing freely through your furnace. If this occurs, the furnace might overheat and force the burner to shut down.

Your pilot light may have gone out

It’s probable a lack of warm air from your gas furnace can be attributed to something as simple as a pilot light that’s gone out. It’s possible, specifically with older furnaces, for a breeze to smother a pilot light. Other causes of an extinguished pilot light are damaged 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 struggle to stay lit and leave you in the cold.

Your ducts may not be properly sealed

When ducts are correctly sealed or if they have any cracks or holes in them, you might be losing a lot of heated air before it can get to the vents.

No matter what the culprit of the problem is, Controlled Comfort HVAC Inc in Carpentersville 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 224-699-9229 or schedule an appointment with us online and we’ll be there to help.

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