What’s Behind These 5 AC Odors in Frankford, DE?

Foul smells coming from the HVAC system in your Frankford, DE home are more than just annoying. They can also indicate that your air conditioner needs professional servicing. Learn about the causes of five common AC odors.

1. Mustiness

A musty odor typically means there is biological matter like biologic particulates or bacteria growing inside the air conditioner. The best places to look for algae or other fungal growth are the drain pan, evaporator coils and ductwork. Routine maintenance and sealing the ductwork help minimize musty odors coming from the cooling system.

2. Burning

Overheated components like the wiring, motor or circuit board will cause a burning smell. If you notice that your air conditioner creates a burning odor, turn it off immediately and contact one of our HVAC technicians. These issues require prompt professional repairs.

3. Dirty Sock Odor

The dirty sock odors often mean that there is a bacterial buildup on the evaporator coils. Cleaning the coils helps prevent this odor and also helps you maintain good indoor air quality.

4. Sweetness

A sweet smell coming from the AC could indicate a refrigerant leak. The refrigerant may also smell like chloroform or paint thinner. This odor is often more prevalent in older cooling systems that use R-22 refrigerant and are more prone to refrigerant leaks.

5. Sourness

Bacterial or algae growth inside your cooling system can likewise cause a vinegar-like or sour smell. To remedy it, flush out the drain line with a one-to-one mix of vinegar and water. Clean and replace the air filters and ensure your system undergoes yearly preventative maintenance.

Delaying scheduling a professional to inspect your system could result in further damage and affect your home’s air quality. Contact our team of experts at Custom Mechanical for HVAC repair services in Frankford, DE today.

Image provided by iStock