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What is that furnace smell?

You turn on your HVAC unit and your senses are inundated with a stinky stench. You are probably wondering what in the world could be causing that terrible furnace smell.  The most likely culprit is dust, mold or mildew. The musty smell means that your AC is distributing the mold and mildew spores throughout your home via the vents. Breathing in the musty air is harmful for your health especially if you have any allergy sufferers in your home. Read on to find out where the mold can be coming from and how to get rid of it.

Clogged condensate drain
A common problem for AC units is a clogged condensate drain line. When the drain line is clogged, your AC will shut down after running a short while. Your fan may still run however, you will not be getting any cool air. You also may notice water pooling around the unit inside of your home.  The standing water can cause mold to grow. The solution is to clear out the condensate line. Use a shop vac to vacuum out the standing water in the line. Or contact your HVAC professional who will be able to professionally clean and clear the clogged drain.

Leaky air ducts
You will know your home has leaky air ducks if your AC unit runs for a long time but your home is not getting cooler. Your entire home will also become dusty very quickly. You may also feel a higher humidity in your home even though the AC is running. If your air ducts are leaking, this means that they are taking in air where they shouldn’t be. This air could be filled with dirt, dust or mold spores. This can cause mold to grow inside of the ductwork. In order to fix this problem you will need to have your ducts sealed properly to eliminate any leaks.  You also need to have your ducts cleaned to get rid of any dust, mold and mildew buildup so as not to continue pumping mold and mildew into the air.

Dirty Evaporator coil
Your evaporator coil may be dirty. To determine if this is the cause by looking for ice on the coil. Another sign is that there will be weak airflow coming out of the vents. When the evaporator coil gets dirty, which is common, it can become a breeding ground for mold.  In order to remove the mold you should have your evaporator coil cleaned by a professional. When you have a yearly maintenance plan, your HVAC professional will clean the coil. This should be done at least once a year.

Another way to help the problem is to regularly change the AC filters. There is also a product that will prevent mold via a permanently installed, specialty UV lamp. Talk to your HVAC technician if you are interested in a UV lamp.

Having an unwelcome furnace smell in your home can be frustrating as well as unhealthy. Call the professionals at Morgan Air today to help you determine what is causing the musty smell in your home. They will not only be able to diagnose the problem but they will also rid your HVAC unit of mold and mildew to have your family breathing healthy air.

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