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Even though temperatures don’t often reach or stay freezing in Archdale, NC, your furnace is an important aspect of staying comfortable in winter. Many smells can come from your furnace, but certain smells mean that your furnace may need repairs.

1. Cracked Heat Exchanger

The heat exchanger is the part of your furnace that heats the air. Over time, it may eventually crack from use. If it does, it will need to be replaced as soon as possible. You may notice a chemical smell, but there isn’t always a strong smell with a carbon monoxide leak which is caused by a cracked heat exchanger.

2. Dirty Air Filter

If you slack on changing your air filter, it will build up debris. This debris can include pet hair, dust and other particles. The restricted airflow will cause some of the contaminants to become airborne and create odd smells.

3. Dirty Sock Syndrome

Dirty sock syndrome comes from the heating coils of your system gaining bacteria buildup. The bacteria grow on the coils from condensation on the coils during the warmer seasons. Professional technicians can thoroughly clean the unit and air ducts to remove the odor.

4. Dampness in the Furnace Area

You may notice a musty smell coming from the vents. This happens when a heating system is in the basement with high humidity. The damp smell starts while the unit is on and comes from humidity resting inside the furnace.

5. Furnace System Blockages

Different blockages can happen in a furnace. A dead rodent could create a decaying odor, and a blocked chimney could create a smokey odor. These issues can be a fire hazard, so deal with them as soon as you notice the smells.

We know that your heating system going out in the middle of the night during winter can be scary. When you need a furnace repair or replacement call Air Treatment. We offer HVAC maintenance throughout Archdale and the surrounding communities.

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