Diagnosing Common Air Conditioner Problems Using Your Nose!

Posted on: 26 August 2015

When your home's air conditioning unit is working properly, you shouldn't notice any smells coming from it at all. But when problems arise and you're not sure what's wrong, you may very well be able to use your sense of smell to get to the bottom of things. Specifically, there are a few common smells to be on the lookout for that could indicate problems with your home's air conditioning system.

Musty Smells

Often times, a musty smell indicates excess moisture somewhere, so if you're primarily noticing this smell when your AC kicks on, then you could be dealing with mold spores or mildew somewhere within your HVAC system. It's not uncommon for mold to grow on air filters that haven't been changed in awhile, but you may also want to check your AC drain pan, condenser, or even the duct work throughout your home.

Sewage Smells

Noticing a sewage smell permeate throughout your home when your air conditioning kicks on can be unsettling, and there are two common causes of this. Sometimes, the sewage smell is actually caused by severe mold. More likely, however, is the possibility that your air conditioner empties its condensate water into your home sewer line. There's nothing inherently wrong with this, but if you're smelling sewage, there could be a problem with the curved elbow pipe that's designed to keep sewage fumes from entering your HVAC system.

Rotten Egg Smells

What if you're noticing the smell of rotten eggs when your air conditioning turns on? If you have natural gas connected to your home, this could be a sign of a gas leak, which should be remedied by your gas company right away. Otherwise, the smell could be caused by a dead animal within your HVAC system. This is something you'll want to have taken care of as soon as possible, as prolonged exposure to the fumes could lead to adverse health effects.

Burning Smells

Finally, if you ever notice a burning smell when your home's air conditioning is running, then this probably indicates that something within your air conditioner is overheating. Most likely, it's a compressor motor or even a circuit board. The best thing to do is to turn off your AC in the meantime to avoid causing a fire and immediately contacting a reputable HVAC company like Tidewater Plumbing & Heating to address and repair the issue. From there, you can run your AC unit safely once again

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Learning About Plumbing Supplies And Tools

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