You Should Never Ignore These 3 AC Smells

A strange odor coming from your HVAC unit may be a sign that something is seriously wrong with your AC. Avoid equipment failure and home safety concerns with help from our professional technicians at Davis Air Conditioning and Heating. Review the three AC smells you should never ignore and don’t delay if they are present in your Galveston, Texas, home.


A musty smell is one of the most common HVAC odors as air conditioners constantly produce moisture. Standing water in drain pans, debris trapped in or near air ducts, poorly installed drain lines, or leaky ductwork can all lead to a musty smell permeating your home. Our technicians have the tools and experience to figure out why your AC isn’t draining correctly. They can fix the problem and clean out your ductwork. Regular HVAC maintenance also helps to keep musty smells at bay.

Rotten Eggs

A sulfur-like odor is often compared to the smell of rotten eggs. An intense presence of this odor most likely indicates a natural gas leak and should be taken very seriously. Open your windows and then evacuate your home as quickly as possible. Call the local utility provider for assistance and notify close neighbors of the gas leak so they can leave the area too.

Burning Dust

If your HVAC unit has been off, dust has collected in the duct system. So, you may smell a burning odor when you first turn it on. If it doesn’t go away after a few minutes, then it’s time to check your air filters. If they’re old and dirty, you can simply replace them. If a strong burning smell continues after this, you may have a serious electrical issue. A problem within the motor or loose electrical connections could lead to overheating and poses a potential fire hazard.

Call on our technicians to repair your AC before the situation turns into a home disaster. Reach them Davis Air Conditioning and Heating today at 888-929-0049.

Image provided by Shutterstock

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