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Why is There No Heat Coming Out of My Vents in Arlington, VA?

Don’t wait until winter’s first chill to make sure your furnace is working as it should. Now’s the time to prepare for the cold weather ahead. If you turn the furnace on and find that no heat is coming from the vents, here are three ways to troubleshoot so that you can find out whether you need to call for help.

Check the Air Filter

Examining the filter is especially important if it has been a long time since you last changed it. Disposable air filters need to get checked at least once a month and changed according to the directions they came with because a dirty or clogged air filter can cause several other problems aside from affecting the indoor air quality of your home. A dirty air filter can cause less air to blow through your vents as the furnace builds up heat and soot accumulates.

Look at Your Thermostat

If you have your thermostat set to 72 degrees but feel like you’re sitting in a refrigerator, your furnace might not be the actual issue. Instead, the issue is probably the thermostat in your house. Check to make sure it’s not set on “cool,” and if it has a fan setting, don’t leave it on. You may need to replace the batteries in your thermostat.

Examine the Air Ducts

If your furnace is blowing hot air in some rooms but not in others, or if the airflow seems weaker than normal, you may need to look at the ductwork or vents. The air vent handles need to be parallel to your ductwork to allow for the highest output of airflow.

Check for holes or cracks in the ductwork and correct placement of the handles because the ductwork may leak. If your furnace is still not blowing hot air after you investigate these possible issues, you may need our assistance.

Call Brennan’s Heating & Air Conditioning for help with your faulty furnace. Our NATE-certified service technicians are ready to keep you warm all winter long.

Image provided by iStock

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